Asteroidal Occultation

Reviewed Results for North America 

 

Welcome to the IOTA Asteroid Occultation Results Webpage.  Check here often for all the latest Results.

 

UTC Date and Time

UTC

(do NOT use this time for timing occultations)

 


Report Form Templates

 

Minor Planet Bulletin Articles

 

"A Trio of Well-Observed Asteroidal Occultations in 2008"

 

"Occultations by 81 Terpsichore and 694 Ekard in 2009 at Different Rotational Phase Angles"

 

North American HomePage

 

What Information Should I Submit after Observing an Occultation?

 

2018 Asteroidal Occultation Reviewed Results

 

2017 Asteroidal Occultation Events

2016 Asteroidal Occultation Events

2015 Asteroidal Occultation Events

2014 Asteroidal Occultation Events

   2013 Asteroidal Occultation Results  

2012 Asteroidal Occultation Results

2011 Asteroidal Occultation Results

2010 Asteroidal Occultation Results

2009 Asteroidal Occultation Results

2008 Asteroidal Occultation Results

2007 Asteroidal Occultation Results

2006 Asteroidal Occultation Results 

 

Palmer Divide Observatory (Light Curves)

 

DAMIT  (3-D asteroid models)

*Source: Interactive service for asteroid models (ISAM)

  Interactive Service for Asteroid Models - ISAM

 

 Frederick Pilcher Light Curve

 

Miriade Ephemeris Generator

Event Date(UT)

yyyy/mm/dd

Asteroid

Number

Asteroid Name

Asteroid

Profiles

Observers

Observer

Sites

2018/12/27 704
Interamnia Occult T. Swift CA
2018/12/27 917
Lyka Occult T. Blank, P. Maley(m), D. Dunham (1+, 1m) AZ
2018/12/26
856
Backlunda
Occult
DAMIT
R. Dunford
IL
2018/12/25
95
Arethusa
Occult
DAMIT
N. Smith GA
2018/12/23
663
Gerlinde
Occult
S. Conard, R. Meadows
All
2018/12/22 1191
Alfaterna
Occult
T. George, P. Maley
AZ
2018/12/21
607
Jenny
Occult
P. Maley, T. Blank (2+), D. Dunham (3+, 3m)
AZ
2018/12/21
602
Marianna
Occult
P. Maley
AZ
2018/12/18
4712
Iwaizumi
Occult
R. Dunford, D. Oesper (m), R. Trank (m)
All
2018/12/14
164
Eva
Occult
E. Dose, C. Anderson (m)
All
2018/12/13
116
Sirona
Occult
R. Nolthenius
CA
2018/12/12
524
Fidelio
Occult
R. Venable (3+), E. Frappa (m), V. Tsamis (m)
USA   Europe
2018/12/11
28
Bellona
ISAM
D. Eisfeldt, J. Barton, R. Bria, S. Conard (m), K. Green/R. Meadows (m)
All
2018/12/10
1191
Alfaterna
Occult
S. Messner, D. Oesper (m)
All
2018/12/05
516
Amherstia
Occult
DAMIT
R. Venable (3+ and 1-)
GA
2018/12/04
595
Polyxena
Occult
DAMIT1
T. Blank, D. Dunham, T. George, P. Maley
AZ
2018/12/03
1628
Strobel
Occult
J. Barton, N. Smith(m)
All
2018/12/01
99
Dike
Occult
C. McPartlin
CA
2018/11/29
7728
Giblin
Occult
R. Meadows
MA
2018/11/29
539
Pamina
Occult
T. George, D. Dunham (1+, 1m), P. Maley, S. Sposetti, A. Manna (m)
AZ Europe
2018/11/29
491
Carina
Occult
R. Meadows
MA
2018/11/28
1755
Lorbach
Occult
D. Oesper
WI
2018/11/27
368
Haidea
Occult
P. Maley, T. George (m)
AZ
2018/11/26
804
Hispania
Occult T. George, P. Maley, T. Blank, M. Smith, D&J Dunham
ALL
2018/11/21
727
Nipponia
Occult A. Olsen
IL
2018/11/21
599
Luisa
Occult P. Maley
AZ
2018/11/18
84
Klio
Occult
S. Messner, S. Conard
ALL
2018/11/17
148
Gallia
Occult
P. Maley
AZ
2018/11/16
839
Valborg
Occult P. Maley, T. George (m)
AZ
2018/11/15
1266
Tone
Occult
C. McPartlin
CA
2018/11/14
479
Caprera
Occult
B. Gimple, P. Maley, T. George(m)
ALL
2018/11/12
545
Messalina
Occult P. Maley
AZ
2018/11/11
241
Germania
Occult
C. McPartlin
CA
2018/11/10
506
Marion
Occult
T. George (m), M. Russell
US UK
2018/11/08
43
Ariadne
Occult
T. George, T. Blank
AZ
2018/11/08
365
Corduba
Occult S. Aguirre
MEX
2018/11/05
545
Messalina
Occult B. Gimple, C. Anderson/ H. Lavin(m)
All
2018/11/04
895
Helio
Occult
S. Aguirre, B. Jones, T. Swift
All
2018/11/03
576
Emanuela
Occult1 Occult2
D. Eisfeldt
TX
2018/11/03
2731
Cucula
Occult
P. Maley, E. Dose (m)
All
2018/10/28
420
Bertholda
Occult
T. Swift
CA
2018/10/27
344
Desiderata
Occult
R. Reaves (m), E. Dose, P. Maley, G. Mroz
All
2018/10/26
804
Hispania
Occult
R. Meadows
CT
2018/10/25
119
Althaea
Occult
P. Maley
AZ
2018/10/24
104
Klymene
Occult
DAMIT797
P. Maley, R Reaves
AZ
2018/10/19
71
Niobe
Occult
DAMIT1014
J. Moore, M. Russell, S. Donnell (m)
CO
2018/10/18
758
Mancunia
Occult
DAMIT805
DAMIT806
D. Oesper, R. Dunford
All
2018/10/18
425
Cornelia
Occult
D. Becker
ID
2018/10/17
619
Triberga
Occult
S. Messner
MN
2018/10/17
49413
1998 XZ62
Occult
D. Oesper
WI
2018/10/16
2394
Nadeev
Occult
D. Oesper
WI
2018/10/12
928
Hildrun
Occult
R. Nolthenius
CA
2018/10/12
176
Iduna
Occult T. Swift, R. Nolthenius(m)
CA
2018/10/09
744
Aguntina
Occult
L. Bean
NV
2018/10/06
423
Diotima
Occult DAMIT1836
P. Maley, T. George
AZ
2018/10/05
176
Iduna
Occult ISAM176
P. Maley
AZ
2018/10/02
213
Lilaea
Occult J. Moore
OK
2018/09/28
1583
Antilochus
Occult
P. Maley
AZ
2018/09/29
671
Carnegia
Occult B. Gimple(m), C. Anderson
All
2018/09/27
176
Iduna
Occult G. Lyzenga, T. Swift
CA
2018/09/27 397 Vienna Occult
P. Maley AZ 
2018/09/26 184 Dejopeja Occult
DAMIT175
B. Gimple CA
2018/09/25 111 Ate Occult
P. Maley AZ 
2018/09/22 113 Amalthea Occult
E. Dose, P. Maley All 
2018/09/21
216
Kleopatra
Occult
DAMIT1826
R. Venable (5 positive, 1 negative)
GA
2018/09/21 89 Julia Occult ISAM89
T. Swift, J. Bardecker, C. Anderson (m) All 
2018/09/20
482
Petrina
Occult
DAMIT1152
D. Caton
VA
2018/09/20 675 Ludmilla Occult
J. Moore, P. Maley, C. McPartlin (m)
All 
2018/09/17 595 Polyxena Occult  DAMIT228
T. George, A. Dobson/M. Scott, A. Whitman (m) All 
2018/09/16 80 Sappho

Occult


DAMIT145

DAMIT1832

P. Maley, J. Pohlman, B. Henley, B. Sachdev/J. Dubesa,

C. Real/D. Ciaglo, K. Normington/M. Bailey, L. Garrett, N. Simmons,

F. Marchis, S. Messner (2+), R. Howard, W. Morgan, G. Samolyk, 

C. Tiearney/J. Bean, G. Viscome, K. Nakonechny, J. Bardecker,

R. Nolthenius,  R. Wagner, S. Preston (m)

USA NE
USA Central
USA West
2018/09/15 144 Vibilia

Occult

DAMIT1824

P. Maley, D. Oesper, E. Edens, B. Dunford (m) All
2018/09/12 216 Kleopatra

Occult

P. Maley AZ
2018/09/12 270 Anahita

Occult

P. Maley AZ
2018/09/10 174576 Varda

Occult

P. Maley, C. Anderson et al, W. Thomas, T. George (m), J. Bardecker (m),

D. Oesper (m), B. Dunford (m)

All
2018/09/10 362 Havnia

Occult

P. Maley AZ
2018/09/05 233 Asterope

Occult


DAMIT1093

DAMIT1823

B. Dunford, R. Meadows, S. Conard (m) All
2018/09/04 52 Europa

Occult

R. Venable (1 R, 1 m) All
2018/09/02 532 Herculina

Occult

P. Maley AZ
2018/09/02 524 Fidelio

Occult

P. Maley AZ
2018/09/01 654 Zelinda

Occult

N. Smith GA
2018/09/01 672 Astarte

Occult

P. Maley AZ
2018/08/31 294 Felicia

Occult

B. Dunford, S. Messner (m) All
2018/08/30 740 Cantabia

Occult

D. Oesper, B. Dunford (m) All
2018/08/30 792 Metcalfia

Occult

K. Cobble TX
2018/08/29 176 Iduna - 7:20 UT

Occult

DAMIT1339

B. Gimple, T. Swift, J. Bardecker All
2018/08/29 176 Iduna - 5:50 UT

Occult

DAMIT1338

DAMIT1339

P. Maley, S. Messner All
2018/08/27 892 Seeligeria

Occult

J. Bardecker NV
2018/08/26 176 Iduna

Occult

P. Maley AZ
2018/08/24 414 Liriope

Occult

K. Cobble TX
2018/08/24 879 Ricarda

Occult

D./J. Dunham (1 +, 2m), E. Warner (m), S. Conard (m) MD
2018/08/23 10889 1997 AO1

Occult

D. Oesper WI
2018/08/23 52 Europa

Occult

DAMIT135

DAMIT463

B. Owen, G. Lyzenga, C. Anderson (m), J. Bardecker (m) All
2018/08/22 6306 Nishimura

Occult

D. Oesper WI
2018/08/19 757 Portlandia

Occult

P. Maley AZ
2018/08/17 389 Industria

Occult

  DAMIT926

S. Messner (1+, 1m), G. Viscome All
2018/08/15   Pluto

Occult

50% light level used to measure

Pluto's diameter

The IOTA only effort:

R. Nolthenius, C. McPartlin, G. Lyzenga, D. Bruns, R. Nugent,

C. Anderson/D. West, N. Smith, S. Conard, J. Moore,

R. Kamin, P. Maley/D. Haviland, D. Dunham/J. Dunham

 
2018/08/03 1461 Jean-Jacques

Occult

S. Messner MN
2018/08/02 156 Xanthippe

Occult

S. Preston WA
2018/07/22 611 Valeria

Occult

N. Smith GA
2018/07/14 1015 Christa Occult S. Messner, C. McPartlin, R. Jones All
2018/07/11 656 Beagle

Occult


B. Gimple CA
2018/07/11 762 Pulcova

Occult

DAMIT955

S. Anthony/I. Klopf, R. Nolthenius, T. Swift, J. Dunford/B. Dunford,

C. McPartlin (m)

All
2018/07/11 7928 Bijaoui

Occult

D. Oesper WI
2018/07/10 429 Lotis

Occult

S. Conard MD
2018/07/07 253 Mathilde

Occult

P. Maley AZ
2018/06/29 357 Ninina

Occult

A. Scheck, S. Conard (m), B. Meadows (m) All
2018/06/29 4796 Lewis

Occult

J. Bardecker NV
2018/06/29 61 Danae Occult R. Nugent, D. Eisfeldt, J. Barton TX
2018/06/27 403 Cyane

Occult

W. Thomas AZ
2018/06/25 34 Circe

Occult

DAMIT128

T. George, A. Dobson/M. Scott, B. Palmquist/R. Palmquist All
2018/06/14 168 Sibylla Occult R. Nugent, B. Wolski All
2018/06/12 940 Kordula

Occult

P. Maley, G. Lyzenga
All
2018/06/08 143 Adria

Occult

P. Maley AZ
2018/06/05 82 Alkmene

Occult

R. Venable (1+, 2m) FL
2018/06/03 581 Tauntonia

Occult

C. Ellington (1+, 1m), J. Moore (m) OK
2018/06/02 362 Havnia

Occult

P. Maley AZ
2018/06/01 694 Ekard

Occult

P. Maley AZ
2018/05/29 29769 1999 CE28

Occult

D. Oesper WI
2018/05/22 201 Penelope

Occult (new double)

Primary  Secondary

DAMIT180

S. Insana/P. Facuna/D. Boyd, W. Thomas, M. Collins,

T. Blank (m), P. Maley (m)

AZ
2018/05/16 2196 Ellicott Occult P. Maley, W. Thomas AZ
2018/05/13 451 Patientia Occult W. Thomas, P. Maley, T. Swift, R. Reaves All
2018/05/12 P5M06 Jupiter (06) Himalia Occult N. Smith, R. Venable (1+, 1m) GA
2018/05/12 2394 Nadeev

Occult

T. Blank AZ
2018/05/12 198 Ampella

Occult

P. Maley AZ
2018/05/12 326 Tamara Occult B. Leonard, K. Cobble, M. Smith  
2018/05/07 150 Nuwa

Occult


B. Gimple, J. Barton (m) All
2018/05/06 34 Circe

North Path   South Path

DAMIT128

DAMIT129

A. Olsen (2+), R. Trank (m), B. Dunford (m) IL
2018/05/04 50 Virginia Occult R. Reaves, T. Blank, T. Swift, P. Maley, R. Howard, D. Breit (m) All
2018/05/01 200 Dynamene

Occult

R. Venable GA
2018/05/01 130 Elektra

Occult

DAMIT160

DAMIT1856

M. Fulbright, D./J. Dunham (5+, 1m) All
2018/04/29 448 Natalie

Occult

D. Oesper WI
2018/04/26 13 Egeria

Occult

D. Oesper WI
2018/04/20 417 Suevia

Occult

DAMIT448

DAMIT449

S. Messner (2+) IA
2018/04/17 98 Ianthe

Occult

DAMIT1088

R. Venable (2+) GA
2018/04/17 137 Meliboea

Occult

C. Anderson ID
2018/04/10 746 Marlu

Occult

K. Cobble OK
2018/04/02 313 Chaldaea

Occult

S. Messner, D. Oesper (m), B. Dunford (m) All
2018/04/01 532 Herculina

Occult

B. Gimple CA
2018/03/30 246 Asporina

Occult

 DAMIT872

T. George, W. Thomas, P. Maley AZ
2018/03/28 904 Rockefellia

Occult

R. Nolthenius, D. Oesper (m), S. Messner (m) All
2018/03/26 88 Thisbe

Occult

 DAMIT149

R. Nolthenius, T. Swift CA
2018/03/23 114 Kassandra Occult D. Oesper, S. Messner, B. Dunford (m) All
2018/03/22 1031 Arctica

Occult

D. Oesper WI
2018/03/19 814 Tauris "Lobed" asteroid?
(see paper here)
J. Garlitz, A. Morton (m)
All
2018/03/18 444 Gyptis Occult J. Moore, S. Whitehurst, C. Ellington, C. Taylor/C. Ellington OK
2018/03/17 705 Ermina

Occult

R. Reaves AZ
2018/03/14 51 Nemausa

Occult

D./J. Dunham (1+, 1m) All
2018/03/14 20 Massalia Occult B. Leonard, M. Smith, C. Ellington (m), R. Venable (3m) All
2018/03/13 784 Pickeringia (new double)
Occult
DAMIT975
B. Dunford, S. Messner All 
2018/03/12 117 Lomia

Occult

 DAMIT839

J. Moore, C. Ellington OK
2018/03/10 697 Galilea

Occult

R. Venable (1+, 3m) All
2018/03/09 2207 Antenor Occult S. Messner, D. Oesper, B. Dunford (m) All
2018/03/08 1177 Gonnessia

Occult

C. Ellington OK
2018/03/07 32 Pomona

Occult

 DAMIT127

P. Maley, C. Ellington, C. Anderson/T. Wofford (m), J. Moore (m),

B. Leonard (m), M. Smith (m)

All
2018/03/05 79 Eurynome

Occult

 DAMIT496

A. Scheck, S. Conard MD
2018/03/04 505 Cava

Occult

DAMIT453

T. George, T. Blank, J. Moore, C. Ellington All
2018/03/03 2829 Bobhope

Occult

P. Maley AZ
2018/03/01 14991 1997 UV14

Occult

D./J. Dunham (1+, 2m), S. Donnell (m), B. Walsh (m),

P. Hinton (m), B. Enke (m), B. Merline (m)

CO    CA
2018/02/28 1639 Bower

Occult

S. Messner IA
2018/02/26 3325 TARDIS

Occult

J. Bean, T. George (m) All
2018/02/22 1165 Imprinetta

Occult

P. Maley, G. Lyzenga (m), C. McPartlin (m) All
2018/02/21 1328 Devota

Occult

C. McPartlin, C. Anderson (m), R. Stanton (m),

G. Lyzenga (m), S. Messner (m)

All
2018/02/21 372 Palma

Occult

 DAMIT299

B. Billard/J. Hubbell, E. Warner, S. Conard, A. Scheck, C. Anderson (m) All
2018/02/20 468 Lina Occult R. Venable (3+), T. George (m), T. Blank (m), P. Maley (m) East    West
2018/02/10 303 Josephina Occult

B. Owen, J. Gout, B. Jones, D./J. Dunham, W. Thomas, C. McPartlin,

T. Blank, R. Stanton, T. George (m), P. Maley (m)

All
2018/02/09 175 Andromache Occult P. Maley, T. Swift, W. Thomas, R. Reaves All
2018/02/09 154 Bertha

Occult

 DAMIT939

J. Bardecker, B. Gimple, J. Bean (m) All
2018/02/09 191 Kolga preliminary

P. Maley, T. George, J. Bardecker, T. Blank, D. Dunham (4+),

RECON-Klammath Falls, RECON-Yerington (m),

D. Kenyon (m), J. Gout (m), M. Collins (m), B. Gimple (m),

W. Thomas (m), J. Bean et al (m), R. Sumner (m), M. Collins (m)

North

South

2018/02/07 50 Virginia Occult

D. Dunham/J. Dunham (4+, 1m), W. Owen, J. Gout, B. Jones,

C. McPartlin, P. Maley, T. Blank, R. Reaves,

G. Lyzenga (m), M. Collins (m)

East

West

2018/02/07 236 Honoria Occult P. Maley, T. Blank AZ
2018/02/05 790 Pretoria

Occult

A. Olsen, B. Dunford (m) IL
2018/02/04 192 Nausikaa

Occult

 DAMIT1864

T. George, T. Blank, J. Bardecker, D./J. Dunham (2+, 1m),

R. Reaves (m)

All
2018/02/03 165 Loreley

Occult

J. Bardecker NV
2018/01/29 737 Arequipa

Occult

P. Maley, C. McPartlin (m) All
2018/01/28 259 Aletheia Occult D. Oesper, S. Messner, B. Dunford, R. Trank All
2018/01/28 904 Rockefellia

Occult

P. Maley, J. Bean (m) All
2018/01/25 751 Faina Occult P. Maley, D. Eisfeldt, J. Barton, W. Thomas All
2018/01/15 32 Pomona

Occult

 DAMIT127

M. Smith, B. Leonard TX
2018/01/14 73 Klytia

Occult

  DAMIT142

J. Bardecker, R. Venable (m)

CA

GA

2018/01/14 270 Anahita

Occult

  DAMIT1184

D./J. Dunham, S. Conard (m) MD
2018/01/14 1109 Tata

Occult

A. Olsen IL
2018/01/06 904 Rockefellia

Occult

B. Dunford, D. Oesper (m) All
2018/01/01 2152 Hannibal

Occult

D. Dunham, J. Dunham (m), A. Storrs (m) All

 

 


 

Miscellaneous Results (from other regions)

 

2018/07/14 483 Seppina

Occult

(thank you Steve Kerr for OBS file)

P. Maley, D. Hooper, D. Herald (m), J. Newman (m), J. Milner (m) Australia
2018/02/18 369 Aeria Occult D. Dunham/J. Dunham (3+, 2m), J. Broughton (7 m) Australia

 

Reports without links are Incomplete - awaiting further observations.

(m) indicates a Miss observation within an event with at least 1 positive observation

*Profiles provided here are preliminary.

Profiles shown for the "only 1+" events are for observer feedback only.

Asteroid profiles only show the line of sight view at the time of the occultation.

The true size/shape of an asteroid in 3-dimensions cannot be determined from a single occultation.

Dave Herald should be contacted for "official" profile information.

Determining the Profile of an asteroid from a limited number of observations can lead to misrepresentations.

 


 

 

Please direct all questions/concerns to the Webmaster:  Brad Timerson