DASO Circular No. 218 Issued: 2009 May 18, 16:53 UT The DISTANT ARTIFICIAL SATELLITES OBSERVATION (DASO) Circulars are a private publication by staff of the Minor Planet Center and are intended to disseminate astrometric observations of distant artificial satellites. Editor: Gareth V. Williams (gwilliams@cfa.harvard.edu) Astrometry submissions to mpc@cfa.harvard.edu (Subject line = "ART SAT") This DASO contains astrometry and orbits for two additional objects, HPO4 and HPO5, associated with the Herschel-Planck launch. Ephemerides for both objects are now available in the DASO page (http://www.cfa.harvard.edu/iau/SpaceJunk/SpaceJunk.html). Observations: HPO1 C2009 05 16.98270 15 58 51.82 -03 30 51.2 17.5 C D0218J47 HPO1 C2009 05 16.99818 15 58 42.36 -03 30 38.9 17.5 C D0218J47 HPO1 C2009 05 17.01309 15 58 32.64 -03 30 25.6 17.4 C D0218J47 HPO1 C2009 05 17.02570 15 58 24.04 -03 30 14.0 17.4 C D0218J47 HPO1 C2009 05 17.04170 15 58 13.20 -03 29 56.5 17.5 C D0218J47 HPO2 C2009 05 16.98270 15 59 02.31 -03 29 28.6 18.3 C D0218J47 HPO2 C2009 05 16.99818 15 58 53.04 -03 29 15.5 18.1 C D0218J47 HPO2 C2009 05 17.01309 15 58 43.30 -03 29 02.2 18.0 C D0218J47 HPO2 C2009 05 17.02570 15 58 35.04 -03 28 49.8 17.9 C D0218J47 HPO2 C2009 05 17.04170 15 58 24.12 -03 28 31.8 17.6 C D0218J47 HPO3 C2009 05 18.02082 16 04 41.82 -03 06 37.6 15.5 V D0218J75 HPO3 C2009 05 18.02390 16 04 40.16 -03 06 35.4 15.6 V D0218J75 HPO3 C2009 05 18.02493 16 04 39.61 -03 06 34.5 15.6 V D0218J75 HPO3 C2009 05 18.02597 16 04 39.02 -03 06 33.7 15.5 V D0218J75 HPO3 C2009 05 18.03009 16 04 36.76 -03 06 30.5 15.5 V D0218J75 HPO3 C2009 05 18.03112 16 04 36.20 -03 06 29.6 15.6 V D0218J75 HPO3 C2009 05 18.03420 16 04 34.54 -03 06 27.2 15.5 V D0218J75 HPO3 C2009 05 18.03936 16 04 31.75 -03 06 22.9 15.5 V D0218J75 HPO3 C2009 05 18.04039 16 04 31.19 -03 06 22.1 15.5 V D0218J75 HPO3 C2009 05 18.04144 16 04 30.62 -03 06 21.2 15.5 V D0218J75 HPO3 C2009 05 18.04248 16 04 30.07 -03 06 20.4 15.5 V D0218J75 HPO4 C2009 05 16.90779 15 58 27.80 -03 24 43.1 18.3 V D0218J75 HPO4 C2009 05 16.91020 15 58 27.33 -03 24 41.8 18.9 V D0218J75 HPO4 C2009 05 16.91262 15 58 26.74 -03 24 39.8 18.6 V D0218J75 HPO4 C2009 05 16.91524 15 58 26.13 -03 24 37.8 18.5 V D0218J75 HPO4 C2009 05 16.91750 15 58 25.61 -03 24 36.3 18.8 V D0218J75 HPO4 C2009 05 16.91976 15 58 25.00 -03 24 34.5 18.6 V D0218J75 HPO4 C2009 05 16.92062 15 58 24.81 -03 24 34.2 18.8 V D0218J75 HPO4 C2009 05 16.92188 15 58 24.46 -03 24 33.3 18.8 V D0218J75 HPO4 C2009 05 16.92233 15 58 24.36 -03 24 32.8 18.6 V D0218J75 HPO4 C2009 05 16.92314 15 58 24.11 -03 24 32.3 18.8 V D0218J75 HPO4 C2009 05 16.92442 15 58 23.75 -03 24 30.9 19.0 V D0218J75 HPO4 C2009 05 16.92457 15 58 23.70 -03 24 30.8 18.4 V D0218J75 HPO4 C2009 05 16.92571 15 58 23.42 -03 24 30.5 19.0 V D0218J75 HPO4 C2009 05 16.92681 15 58 23.09 -03 24 29.5 18.5 V D0218J75 HPO4 C2009 05 16.92698 15 58 23.03 -03 24 29.0 19.1 V D0218J75 HPO4 C2009 05 16.98056 15 58 03.07 -03 23 40.8 18.5 V D0218J75 HPO4 C2009 05 16.98159 15 58 02.64 -03 23 39.3 18.6 V D0218J75 HPO4 C2009 05 16.98479 15 58 01.23 -03 23 36.1 18.5 V D0218J75 HPO4 C2009 05 16.98687 15 58 00.32 -03 23 33.5 18.6 V D0218J75 HPO4 C2009 05 16.98791 15 57 59.83 -03 23 32.2 18.8 V D0218J75 HPO4 C2009 05 16.99328 15 57 57.42 -03 23 26.5 18.6 V D0218J75 HPO4 C2009 05 16.99434 15 57 56.90 -03 23 25.4 18.5 V D0218J75 HPO4 C2009 05 17.01469 15 57 47.73 -03 23 01.8 18.8 V D0218J75 HPO4 C2009 05 17.01963 15 57 45.27 -03 22 54.9 18.7 V D0218J75 HPO4 C2009 05 17.02162 15 57 44.43 -03 22 52.7 18.3 V D0218J75 HPO4 C2009 05 17.02176 15 57 44.31 -03 22 51.9 18.9 V D0218J75 HPO4 C2009 05 17.02284 15 57 43.80 -03 22 51.2 18.6 V D0218J75 HPO4 C2009 05 17.02387 15 57 43.37 -03 22 49.9 18.8 V D0218J75 HPO4 C2009 05 17.02490 15 57 42.89 -03 22 48.4 18.8 V D0218J75 HPO4 C2009 05 17.02593 15 57 42.44 -03 22 47.1 18.7 V D0218J75 HPO4 C2009 05 17.02697 15 57 41.92 -03 22 45.7 18.7 V D0218J75 HPO4 C2009 05 17.02867 15 57 41.28 -03 22 43.5 18.6 V D0218J75 HPO4 C2009 05 17.02912 15 57 40.93 -03 22 42.7 18.3 V D0218J75 HPO4 C2009 05 17.03742 15 57 37.15 -03 22 31.5 18.6 V D0218J75 HPO4 C2009 05 17.03851 15 57 36.67 -03 22 30.0 18.6 V D0218J75 HPO4 C2009 05 17.03959 15 57 36.17 -03 22 28.0 18.7 V D0218J75 HPO4 C2009 05 17.04177 15 57 35.15 -03 22 25.5 18.4 V D0218J75 HPO4 C2009 05 17.04697 15 57 32.94 -03 22 18.1 18.4 V D0218J75 HPO4 C2009 05 17.05111 15 57 31.12 -03 22 12.2 18.2 V D0218J75 HPO4 C2009 05 18.12241 16 05 44.92 -03 05 05.4 19.3 V D0218J75 HPO4 C2009 05 18.12625 16 05 43.79 -03 05 00.6 19.1 V D0218J75 HPO4 C2009 05 18.13008 16 05 42.75 -03 04 56.4 19.4 V D0218J75 HPO4 C2009 05 18.13391 16 05 41.73 -03 04 52.3 19.5 V D0218J75 HPO4 C2009 05 18.13770 16 05 40.79 -03 04 47.6 19.5 V D0218J75 HPO4 C2009 05 18.14421 16 05 39.32 -03 04 39.5 19.4 V D0218J75 HPO4 C2009 05 18.14811 16 05 38.48 -03 04 34.8 19.2 V D0218J75 HPO4 C2009 05 18.15194 16 05 37.76 -03 04 30.2 19.2 V D0218J75 HPO4 C2009 05 18.15586 16 05 37.07 -03 04 25.8 19.6 V D0218J75 HPO5 C2009 05 16.90779 15 58 24.41 -03 24 49.3 18.9 V D0218J75 HPO5 C2009 05 16.91020 15 58 23.84 -03 24 47.7 18.7 V D0218J75 HPO5 C2009 05 16.91262 15 58 23.21 -03 24 46.0 18.8 V D0218J75 HPO5 C2009 05 16.91524 15 58 22.46 -03 24 43.9 19.0 V D0218J75 HPO5 C2009 05 16.91750 15 58 21.90 -03 24 43.0 18.3 V D0218J75 HPO5 C2009 05 16.91976 15 58 21.24 -03 24 40.7 18.8 V D0218J75 HPO5 C2009 05 16.92062 15 58 21.02 -03 24 40.4 18.8 V D0218J75 HPO5 C2009 05 16.92188 15 58 20.64 -03 24 39.5 19.4 V D0218J75 HPO5 C2009 05 16.92233 15 58 20.42 -03 24 39.1 18.3 V D0218J75 HPO5 C2009 05 16.92314 15 58 20.21 -03 24 38.6 19.3 V D0218J75 HPO5 C2009 05 16.92457 15 58 19.76 -03 24 37.6 18.7 V D0218J75 HPO5 C2009 05 16.92571 15 58 19.45 -03 24 36.1 19.1 V D0218J75 HPO5 C2009 05 16.92681 15 58 19.09 -03 24 36.5 18.5 V D0218J75 HPO5 C2009 05 16.92698 15 58 19.04 -03 24 35.9 19.2 V D0218J75 HPO5 C2009 05 16.97951 15 57 57.97 -03 23 50.6 18.6 V D0218J75 HPO5 C2009 05 16.98159 15 57 57.10 -03 23 49.3 18.6 V D0218J75 HPO5 C2009 05 16.98479 15 57 55.60 -03 23 46.1 18.2 V D0218J75 HPO5 C2009 05 16.98687 15 57 54.57 -03 23 43.4 18.5 V D0218J75 HPO5 C2009 05 16.98941 15 57 53.38 -03 23 41.6 18.4 V D0218J75 HPO5 C2009 05 16.99640 15 57 50.04 -03 23 33.4 18.6 V D0218J75 HPO5 C2009 05 17.00346 15 57 46.59 -03 23 25.4 18.6 V D0218J75 HPO5 C2009 05 17.01963 15 57 38.67 -03 23 06.6 18.6 V D0218J75 HPO5 C2009 05 17.02284 15 57 37.13 -03 23 02.5 18.6 V D0218J75 HPO5 C2009 05 17.02387 15 57 36.62 -03 23 01.1 19.0 V D0218J75 HPO5 C2009 05 17.03959 15 57 29.00 -03 22 40.5 18.8 V D0218J75 HPO5 C2009 05 17.04067 15 57 28.56 -03 22 39.9 18.5 V D0218J75 HPO5 C2009 05 17.04177 15 57 27.98 -03 22 38.0 18.2 V D0218J75 HPO5 C2009 05 18.03420 16 05 51.58 -03 07 41.1 19.1 V D0218J75 HPO5 C2009 05 18.03936 16 05 49.10 -03 07 37.3 19.1 V D0218J75 HPO5 C2009 05 18.04039 16 05 48.61 -03 07 36.4 19.2 V D0218J75 HPO5 C2009 05 18.04144 16 05 48.07 -03 07 36.3 19.1 V D0218J75 HPO5 C2009 05 18.04248 16 05 47.54 -03 07 34.9 19.1 V D0218J75 HPO5 C2009 05 18.04650 16 05 45.59 -03 07 31.8 19.6 V D0218J75 HPO5 C2009 05 18.05277 16 05 42.57 -03 07 26.6 19.3 V D0218J75 HPO5 C2009 05 18.05591 16 05 41.09 -03 07 24.0 19.2 V D0218J75 HPO5 C2009 05 18.05902 16 05 39.62 -03 07 21.5 19.5 V D0218J75 HPO5 C2009 05 18.12241 16 05 14.19 -03 06 19.6 19.5 V D0218J75 HPO5 C2009 05 18.12625 16 05 13.05 -03 06 15.6 19.4 V D0218J75 HPO5 C2009 05 18.13008 16 05 11.95 -03 06 11.6 19.5 V D0218J75 HPO5 C2009 05 18.13391 16 05 10.85 -03 06 06.7 19.4 V D0218J75 HPO5 C2009 05 18.13770 16 05 09.87 -03 06 03.1 19.4 V D0218J75 HPO5 C2009 05 18.14421 16 05 08.27 -03 05 55.6 19.5 V D0218J75 HPO5 C2009 05 18.14811 16 05 07.40 -03 05 51.1 19.4 V D0218J75 HPO5 C2009 05 18.15194 16 05 06.58 -03 05 46.3 19.3 V D0218J75 HPO5 C2009 05 18.15586 16 05 05.84 -03 05 42.5 19.4 V D0218J75 Planck C2009 05 16.98270 15 59 06.15 -03 37 12.3 16.5 C D0218J47 Planck C2009 05 16.99818 15 58 56.70 -03 37 04.7 16.6 C D0218J47 Planck C2009 05 17.01309 15 58 46.97 -03 36 55.1 16.5 C D0218J47 Planck C2009 05 17.02570 15 58 38.49 -03 36 46.0 16.4 C D0218J47 Planck C2009 05 17.04170 15 58 27.54 -03 36 33.0 16.4 C D0218J47 Observer details: J47 Observatorio Nazaret. Observer G. Muler. 0.30-m Schmidt-Cassegrain + CCD. J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss, A. Cikota, S. Cikota, J. Rodriguez, W. K. Y. Yeung. 0.40-m f/10 reflector + CCD, 0.45-m f/2.8 reflector + CCD. Orbital elements: HPO4 Epoch 2009 May 24.0 TT = JDT 2454975.5 MPC M 84.89699 (2000.0) P Q n 0.95672591 Peri. 287.39456 -0.90298164 -0.42964837 a 1.0200255 Node 227.16053 +0.39683721 -0.82931464 e 0.0297461 Incl. 0.40183 +0.16475556 -0.35726673 P 1.03 H 30.7 G 0.15 U 7 From 48 observations 2009 May 16-18, mean residual 0".45. Residuals in seconds of arc K095G J75 0.5- 0.0 K095G J75 0.2- 0.1+ K095H J75 0.6- 0.0 K095G J75 0.1+ 0.3- K095G J75 0.2- 0.2- K095H J75 0.7- 0.0 K095G J75 0.6- 0.0 K095G J75 0.1- 0.2+ K095H J75 0.5- 0.0 K095G J75 0.6- 0.1+ K095G J75 0.5- 0.4+ K095H J75 0.7- 0.5+ K095G J75 0.1- 0.0 K095G J75 0.4- 0.1+ K095H J75 1.4- 0.0 K095G J75 0.6- 0.1+ K095G J75 1.1- 0.0 K095H J75 0.0 0.1+ K095G J75 0.1- 0.2- K095H J75 1.6+ 0.6- K095H J75 0.2- 0.1+ K095G J75 0.3- 0.2- K095H J75 1.1- 0.1+ K095I J75 0.0 0.2- K095G J75 0.0 0.1- K095H J75 0.1+ 0.2- K095I J75 0.4- 0.2+ K095G J75 0.4- 0.2- K095H J75 0.7- 0.4+ K095I J75 0.1- 0.0 K095G J75 0.5- 0.3+ K095H J75 0.9- 0.3- K095I J75 0.4- 0.4- K095G J75 0.6- 0.3+ K095H J75 0.2- 0.3- K095I J75 0.4- 0.2- K095G J75 0.0 0.3- K095H J75 0.3- 0.2- K095I J75 0.1- 0.2+ K095G J75 0.3- 0.2- K095H J75 0.0 0.2- K095I J75 0.5- 0.2+ K095G J75 0.4- 0.2+ K095H J75 0.6- 0.2- K095I J75 0.3- 0.1+ K095G J75 0.5- 0.3- K095H J75 1.5+ 0.2- K095I J75 0.2- 0.3- Geocentric orbits: Epoch T Peri Node Incl e a P/d 20090524 2454966.19217 41.84676 32.29822 4.46622 0.9873396 721150 70.1 20090523 2454966.15934 55.94443 18.16913 3.36412 0.9870297 714254 69.1 20090522 2454966.13290 76.12473 357.97489 2.68721 0.9866988 707498 68.1 20090521 2454966.11211 99.12913 334.97194 2.47735 0.9863557 700860 67.2 20090520 2454966.09619 118.17653 315.93943 2.60995 0.9860075 694280 66.2 20090519 2454966.08429 130.80660 303.33626 2.87430 0.9856566 687615 65.3 20090518 2454966.07549 138.37395 295.80822 3.12356 0.9852929 680465 64.3 20090517 2454966.06867 142.32406 291.91772 3.28261 0.9848657 671526 63.0 20090516 2454966.06220 142.68007 291.69368 3.29396 0.9841292 655155 60.7 20090515 2454966.05257 130.77376 304.45568 3.03983 0.9808705 588192 51.6 HPO5 Epoch 2009 May 24.0 TT = JDT 2454975.5 MPC M 85.40130 (2000.0) P Q n 0.95651960 Peri. 285.08093 -0.89592060 -0.44417318 a 1.0201722 Node 228.54903 +0.41059026 -0.82284127 e 0.0333763 Incl. 0.46159 +0.16953439 -0.35446076 P 1.03 H 30.8 G 0.15 U 6 From 45 observations 2009 May 16-18, mean residual 0".52. Residuals in seconds of arc K095G J75 0.1- 0.5- K095G J75 0.0 0.3- K095I J75 0.1+ 0.6- K095G J75 0.0 0.4- K095G J75 0.0 0.4- K095I J75 0.2- 0.0 K095G J75 0.3- 0.2- K095G J75 0.7- 0.2+ K095I J75 0.2- 0.1- K095G J75 1.2- 0.1+ K095G J75 0.5- 0.7- K095I J75 0.4- 0.0 K095G J75 0.3- 0.5- K095G J75 0.3- 0.0 K095I J75 0.3- 0.0 K095G J75 0.6- 0.3+ K095H J75 0.6- 0.2+ K095I J75 0.4- 0.1- K095G J75 0.2- 0.0 K095H J75 0.6- 0.1- K095I J75 1.3- 0.2+ K095G J75 0.3- 0.1+ K095H J75 0.1- 0.1+ K095I J75 0.8- 0.0 K095G J75 1.6- 0.2+ K095H J75 0.2- 0.2+ K095I J75 0.5- 0.2- K095G J75 1.1- 0.1+ K095H J75 0.6- 0.5+ K095I J75 1.0- 0.5+ K095G J75 1.3- 0.1+ K095H J75 0.5+ 0.3- K095I J75 0.6- 0.2- K095G J75 0.7- 0.8+ K095H J75 0.4- 0.1+ K095I J75 0.7- 0.1- K095G J75 0.9- 0.4- K095I J75 0.5- 0.1+ K095I J75 0.6- 0.0 K095G J75 0.8- 0.1+ K095I J75 0.3+ 0.0 K095I J75 0.8- 0.3+ K095G J75 1.4- 0.5+ K095I J75 0.5+ 0.1+ K095I J75 0.6- 0.4- Geocentric orbits: Epoch T Peri Node Incl e a P/d 20090524 2454966.31449 35.73972 38.80312 5.71172 0.9923734 1107651 133.5 20090523 2454966.28216 46.05739 28.44843 4.28421 0.9921238 1087095 129.8 20090522 2454966.25627 61.35691 13.13359 3.25748 0.9918589 1067785 126.3 20090521 2454966.23608 81.55460 352.93863 2.68791 0.9915856 1049587 123.1 20090520 2454966.22079 102.18893 332.32199 2.54282 0.9913094 1032301 120.1 20090519 2454966.20954 117.99076 316.55077 2.65084 0.9910313 1015542 117.2 20090518 2454966.20136 127.93549 306.65012 2.82448 0.9907419 998340 114.2 20090517 2454966.19510 133.07924 301.57423 2.94855 0.9903938 977551 110.7 20090516 2454966.18900 133.25464 301.55868 2.95136 0.9897444 939102 104.2 20090515 2454966.17896 114.50997 321.64518 2.86658 0.9860530 769343 77.3 +-------------------------------------------------------------------------+ | The DISTANT ARTIFICAL-SATELLITES OBSERVERS Circulars are prepared as | | a private publication by staff of the Minor Planet Center. | | Back issues are available at: ftp://cfa-ftp.harvard.edu/pub/DASO/ | | Archives of published (and referenceable) observations are at: | | ftp://cfa-ftp.harvard.edu/pub/DASO/Obs/ | | Http access available at http://www.cfa.harvard.edu/~gwilliams/DASO/ | | Free e-mail subscriptions: send your e-mail address to the editor. | | Astrometry submission to mpc@cfa.harvard.edu with subject "ART SAT". | | These circulars are copyrighted publications, but free use of any and | | all information contained herein may be made provided that the normal | | scientific procedures for referencing material are followed. | +-------------------------------------------------------------------------+ DASO Circular No. 218 Issued: 2009 May 18, 16:53 UT