IOTA/IOTA-ES occultation update for (2979) Murmansk / UCAC2 34847059 event on 2009 Jun 05, 23:18 UT Visible from Summary ------- On 2009 Jun 05 UT, the 26 km diameter asteroid (2979) Murmansk will occult a 11.5 mag star in the constellation Virgo for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.7 mag to 18.2 mag (the magnitude of the asteroid) for at most 4.1 seconds. This update is based on historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 10 * date and approx. time of event: 2009 Jun 05, 23:13 - 2009 Jun 05, 23:27 UT * magnitude of target star: 11.5 * magnitude drop [mag]: 6.7 * estimated maximum duration [s]: 4.1 * Moon: 97 % sunlit, 57° distance * Sun: 104° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 54 * 1 sigma uncertainty interval [path widths]: +/- 6.35 * 1 sigma uncertainty interval [seconds]: +/- 26.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .080 +/- .065) * 1 sigma uncertainty ellipse (major, minor, PA): ( .080", .064", 97° ) * approx speed of asteroid's shadow [km/s]: 6.3490 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC2 34847059 by 2979 Murmansk on 2009 Jun 5 Centre Star Star Sun Path Limit1 Path Limit2 Error Limit1 Error Limit2 E. Longitude Latitude U.T. Alt Az Alt o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " o ' " o ' " o ' " o ' " Longitude Latitude Longitude Latitude Longitude Latitude Longitude Latitude - 0 30 54 66 23 10 23 13 45 20 244 -1 0 14 46 66 29 10 - 1 15 33 66 17 5 11 45 17 67 33 34 - 9 29 23 64 53 55 - 1 23 26 65 29 30 23 13 57 21 244 -1 - 0 40 43 65 35 30 - 2 5 16 65 23 25 9 58 9 66 41 47 - 9 51 8 64 1 3 - 2 7 40 64 36 40 23 14 10 22 243 -2 - 1 27 29 64 42 40 - 2 47 3 64 30 37 8 27 43 65 50 8 - 10 8 31 63 9 9 - 2 44 52 63 44 41 23 14 22 22 243 -3 - 2 6 53 63 50 38 - 3 22 7 63 38 40 7 10 57 64 58 50 - 10 22 10 62 18 9 - 3 16 5 62 53 30 23 14 34 23 243 -4 - 2 40 2 62 59 25 - 3 51 28 62 47 32 6 5 34 64 7 57 - 10 32 34 61 28 0 - 3 42 9 62 3 6 23 14 46 23 243 -5 - 3 7 48 62 8 58 - 4 15 54 61 57 11 5 9 43 63 17 36 - 10 40 7 60 38 39 - 4 3 45 61 13 26 23 14 59 24 243 -5 - 3 30 55 61 19 15 - 4 36 2 61 7 35 4 21 58 62 27 46 - 10 45 10 59 50 3 - 4 21 27 60 24 30 23 15 11 24 243 -6 - 3 49 58 60 30 15 - 4 52 26 60 18 42 3 41 10 61 38 31 - 10 48 1 59 2 10 - 4 35 43 59 36 14 23 15 23 25 243 -7 - 4 5 26 59 41 55 - 5 5 32 59 30 29 3 6 22 60 49 49 - 10 48 52 58 14 58 - 4 46 57 58 48 37 23 15 36 25 243 -8 - 4 17 45 58 54 15 - 5 15 42 58 42 56 2 36 48 60 1 42 - 10 47 57 57 28 23 - 4 55 28 58 1 37 23 15 48 26 244 -8 - 4 27 15 58 7 11 - 5 23 16 57 56 0 2 11 50 59 14 7 - 10 45 26 56 42 25 - 5 1 33 57 15 12 23 16 0 26 244 -9 - 4 34 14 57 20 42 - 5 28 30 57 9 39 1 50 55 58 27 5 - 10 41 27 55 57 1 - 5 5 27 56 29 21 23 16 12 26 244 -10 - 4 38 57 56 34 47 - 5 31 36 56 23 52 1 33 36 57 40 34 - 10 36 9 55 12 9 - 5 7 22 55 44 1 23 16 25 27 245 -11 - 4 41 36 55 49 24 - 5 32 48 55 38 36 1 19 32 56 54 33 - 10 29 38 54 27 47 - 5 7 28 54 59 12 23 16 37 27 245 -11 - 4 42 23 55 4 31 - 5 32 15 54 53 51 1 8 21 56 9 2 - 10 21 59 53 43 55 - 5 5 55 54 14 52 23 16 49 27 245 -12 - 4 41 27 54 20 7 - 5 30 5 54 9 34 0 59 49 55 23 58 - 10 13 18 53 0 31 - 5 2 50 53 30 59 23 17 1 27 246 -13 - 4 38 56 53 36 10 - 5 26 26 53 25 45 0 53 41 54 39 22 - 10 3 38 52 17 32 - 4 58 20 52 47 32 23 17 14 28 246 -14 - 4 34 57 52 52 40 - 5 21 26 52 42 22 0 49 44 53 55 11 - 9 53 4 51 34 59 - 4 52 30 52 4 29 23 17 26 28 247 -14 - 4 29 36 52 9 34 - 5 15 8 51 59 23 0 47 49 53 11 25 - 9 41 38 50 52 48 - 4 45 27 51 21 50 23 17 38 28 247 -15 - 4 23 0 51 26 52 - 5 7 39 51 16 48 0 47 46 52 28 2 - 9 29 23 50 11 1 - 4 37 15 50 39 34 23 17 50 28 248 -16 - 4 15 12 50 44 32 - 4 59 3 50 34 35 0 49 27 51 45 1 - 9 16 23 49 29 35 - 4 27 57 49 57 39 23 18 3 28 248 -16 - 4 6 16 50 2 33 - 4 49 22 49 52 43 0 52 45 51 2 22 - 9 2 38 48 48 28 - 4 17 36 49 16 3 23 18 15 28 249 -17 - 3 56 17 49 20 54 - 4 38 41 49 11 11 0 57 35 50 20 3 - 8 48 11 48 7 41 - 4 6 16 48 34 47 23 18 27 29 249 -18 - 3 45 16 48 39 35 - 4 27 3 48 29 59 1 3 51 49 38 3 - 8 33 3 47 27 13 - 3 54 0 47 53 49 23 18 40 29 250 -19 - 3 33 18 47 58 33 - 4 14 29 47 49 4 1 11 29 48 56 21 - 8 17 16 46 47 1 - 3 40 49 47 13 9 23 18 52 29 251 -19 - 3 20 23 47 17 49 - 4 1 2 47 8 27 1 20 25 48 14 57 - 8 0 50 46 7 6 - 3 26 45 46 32 44 23 19 4 29 251 -20 - 3 6 34 46 37 22 - 3 46 43 46 28 5 1 30 36 47 33 49 - 7 43 46 45 27 27 - 3 11 50 45 52 35 23 19 16 29 252 -21 - 2 51 52 45 57 9 - 3 31 34 45 48 0 1 41 59 46 52 56 - 7 26 6 44 48 2 - 2 56 4 45 12 40 23 19 29 29 252 -21 - 2 36 19 45 17 11 - 3 15 37 45 8 8 1 54 31 46 12 18 - 7 7 50 44 8 52 - 2 39 30 44 33 0 23 19 41 29 253 -22 - 2 19 56 44 37 27 - 2 58 51 44 28 30 2 8 11 45 31 53 - 6 48 57 43 29 54 - 2 22 7 43 53 31 23 19 53 29 254 -23 - 2 2 44 43 57 56 - 2 41 18 43 49 6 2 22 58 44 51 42 - 6 29 29 42 51 9 - 2 3 57 43 14 16 23 20 5 29 254 -23 - 1 44 43 43 18 37 - 2 22 59 43 9 53 2 38 49 44 11 42 - 6 9 25 42 12 36 - 1 44 59 42 35 11 23 20 18 29 255 -24 - 1 25 53 42 39 29 - 2 3 53 42 30 51 2 55 45 43 31 54 - 5 48 46 41 34 14 - 1 25 14 41 56 17 23 20 30 28 255 -25 - 1 6 15 42 0 32 - 1 44 1 41 52 0 3 13 45 42 52 15 - 5 27 31 40 56 2 - 1 4 41 41 17 33 23 20 42 28 256 -25 - 0 45 49 41 21 45 - 1 23 22 41 13 19 3 32 48 42 12 46 - 5 5 40 40 18 0 - 0 43 21 40 38 57 23 20 54 28 257 -26 - 0 24 34 40 43 6 - 1 1 57 40 34 47 3 52 55 41 33 26 - 4 43 13 39 40 6 - 0 21 12 40 0 30 23 21 7 28 257 -27 - 0 2 29 40 4 36 - 0 39 44 39 56 23 4 14 6 40 54 13 - 4 20 8 39 2 21 0 1 45 39 22 11 23 21 19 28 258 -28 0 20 25 39 26 14 - 0 16 43 39 18 7 4 36 23 40 15 8 - 3 56 26 38 24 44 0 25 32 38 43 59 23 21 31 28 259 -28 0 44 10 38 47 58 0 7 6 38 39 58 4 59 45 39 36 8 - 3 32 5 37 47 14 0 50 10 38 5 52 23 21 44 27 259 -29 1 8 46 38 9 48 0 31 46 38 1 55 5 24 16 38 57 13 - 3 7 4 37 9 50 1 15 41 37 27 51 23 21 56 27 260 -30 1 34 17 37 31 44 0 57 16 37 23 57 5 49 57 38 18 22 - 2 41 23 36 32 32 1 42 5 36 49 55 23 22 8 27 261 -30 2 0 42 36 53 44 1 23 40 36 46 4 6 16 49 37 39 35 - 2 15 0 35 55 18 2 9 25 36 12 2 23 22 20 26 261 -31 2 28 4 36 15 47 1 50 59 36 8 14 6 44 58 37 0 50 - 1 47 53 35 18 10 2 37 44 35 34 12 23 22 33 26 262 -32 2 56 25 35 37 54 2 19 14 35 30 28 7 14 25 36 22 5 - 1 20 1 34 41 5 3 7 3 34 56 24 23 22 45 26 262 -32 3 25 49 35 0 2 2 48 29 34 52 44 7 45 14 35 43 20 - 0 51 22 34 4 2 3 37 25 34 18 37 23 22 57 25 263 -33 3 56 17 34 22 11 3 18 46 34 15 1 8 17 32 35 4 34 - 0 21 54 33 27 3 4 8 55 33 40 50 23 23 9 25 264 -34 4 27 54 33 44 21 3 50 8 33 37 18 8 51 23 34 25 45 0 8 25 32 50 4 4 41 35 33 3 3 23 23 22 25 264 -34 5 0 43 33 6 29 4 22 41 32 59 34 9 26 55 33 46 52 0 39 39 32 13 7 5 15 31 32 25 13 23 23 34 24 265 -35 5 34 49 32 28 35 4 56 26 32 21 49 10 4 15 33 7 53 1 11 49 31 36 9 5 50 47 31 47 20 23 23 46 24 266 -36 6 10 18 31 50 38 5 31 31 31 44 1 10 43 34 32 28 45 1 45 1 30 59 10 6 27 29 31 9 23 23 23 58 23 266 -36 6 47 15 31 12 36 6 7 59 31 6 8 11 25 3 31 49 27 2 19 16 30 22 10 7 5 46 30 31 20 23 24 11 23 267 -37 7 25 48 30 34 28 6 45 59 30 28 10 12 8 56 31 9 56 2 54 41 29 45 6 7 45 43 29 53 9 23 24 23 22 268 -38 8 6 6 29 56 12 7 25 38 29 50 5 12 55 32 30 30 8 3 31 19 29 7 58 8 27 32 29 14 49 23 24 35 21 268 -38 8 48 18 29 17 45 8 7 4 29 11 51 13 45 13 29 50 1 4 9 16 28 30 46 9 11 24 28 36 18 23 24 48 21 269 -39 9 32 37 28 39 7 8 50 30 28 33 25 14 38 28 29 9 28 4 48 38 27 53 27 9 57 32 27 57 32 23 25 0 20 269 -40 10 19 17 28 0 14 9 36 8 27 54 46 15 35 55 28 28 24 5 29 34 27 15 59 10 46 14 27 18 29 23 25 12 19 270 -40 11 8 37 27 21 3 10 24 14 27 15 51 16 38 26 27 46 40 6 12 12 26 38 23 11 37 50 26 39 5 23 25 24 18 271 -41 12 0 59 26 41 30 11 15 7 26 36 37 17 47 15 27 4 4 6 56 41 26 0 34 12 32 48 25 59 17 23 25 37 18 271 -41 12 56 51 26 1 31 12 9 14 25 56 58 19 4 14 26 20 19 7 43 16 25 22 32 13 31 42 25 18 57 23 25 49 17 272 -42 13 56 52 25 20 58 13 7 5 25 16 50 20 32 28 25 34 54 8 32 9 24 44 14 14 35 19 24 37 59 23 26 1 16 273 -42 15 1 53 24 39 45 14 9 24 24 36 6 22 17 42 24 46 56 9 23 39 24 5 36 15 44 43 23 56 11 23 26 13 14 273 -43 16 13 5 23 57 39 15 17 9 23 54 36 24 33 38 23 54 17 10 18 9 23 26 35 17 1 29 23 13 20 23 26 26 13 274 -43 17 32 17 23 14 23 16 31 44 23 12 7 28 24 21 22 46 59 11 16 6 22 47 6 18 28 7 22 29 1 23 26 38 12 275 -44 19 2 23 22 29 29 17 55 19 22 28 19 ... .. .. .. .. .. 12 18 9 22 7 3 20 8 57 21 42 33 23 26 50 10 275 -44 20 48 39 21 42 9 19 31 31 21 42 36 ... .. .. .. .. .. 13 25 6 21 26 18 22 13 0 20 52 32 23 27 2 8 276 -44 23 3 0 20 50 29 21 27 24 20 53 54 ... .. .. .. .. .. 14 38 7 20 44 40 25 7 24 19 54 44 23 27 15 5 277 -44 26 30 33 19 47 30 24 1 15 19 59 19 ... .. .. .. .. .. 15 58 54 20 1 53 Uncertainty in time = +/- 29 secs [Prediction of 2008 Mar 20.0] Data for the target star ------------------------ * name: UCAC2 34847059 * constellation : Virgo * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 12 14 43.2102 DE: +08 47 48.119 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .052, .043 ) * V mag [mag]: 11.5 * B mag [mag]: 0.0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2979) Murmansk approx. diameter [km]: 26 approx. diameter ["]: .011 distance from Earth [AU]: 3.12300 * orbital information: orbit source: Preston date of fit: 2008 Mar 20 source of used astrometry: MPC (via Astdys) number of used observations: 586 number of rejected observations: 15 time covered by the observations: 1976 Apr 23 - 2008 Feb 14 1 sigma uncertainty ellipse (major, minor, PA): 0.061, 0.048, 102° remarks: * orbital elements for (2979) Murmansk : Mean anomaly = 220.43975136 deg Arg. of pericenter = 197.50196395 deg Long. of node = 148.75819290 deg Inclination = 11.40581723 deg Eccentricity = 0.15306530 Semimajor axis = 3.12554494 AU Perihelion dist = 2.64713246 AU Mag: H = 12.25, G = 0.15 Epoch of elements : MJD 54987.97100000 TDT (2009 Jun 05.971) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Jun 5 2979 Murmansk 23h 19.3m UT 11.5 12 14 43.210 8 47 48.12UCAC2 34847059 0.0 18.2 26 4.1 3.123 0.505 -6.79 -60.6501 8.799 -170.16 22.64 23.3212 0.58706 0.64874 2.65352 -2.40843 0.00494 -0.00243 2000 219.0179852009 529.00000197.501964148.758193 11.4058170.15306530 3.1255449 2.647132512.1 5.00.15 RATE 1.7836730 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.080 0.064 97 7.35 0.073 0 54545.5020090605_847059 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Mar 20, 08:59 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org