DASO Circular No. 321 Issued: 2009 Oct. 26, 22:08 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") Observations: 9U01FF6 C2009 10 26.17288 23 14 44.95 +21 09 54.0 19.0 V D0321703 9U01FF6 C2009 10 26.17964 23 14 51.57 +21 09 16.2 18.9 V D0321703 9U01FF6 C2009 10 26.18634 23 14 58.12 +21 08 36.9 18.8 V D0321703 9U01FF6 C2009 10 26.19310 23 15 04.86 +21 07 54.6 19.2 V D0321703 9U01FF6 C2009 10 26.22500 23 15 25.34 +21 02 06.9 18.8 R D0321H01 9U01FF6 C2009 10 26.22794 23 15 28.58 +21 01 42.4 18.7 R D0321H01 9U01FF6 C2009 10 26.23149 23 15 32.56 +21 01 12.1 18.6 R D0321H01 9U01FF6 C2009 10 26.23228 23 15 45.36 +21 03 06.9 18.9 V D0321G96 9U01FF6 C2009 10 26.23266 23 15 45.79 +21 03 03.8 18.7 V D0321G96 9U01FF6 C2009 10 26.23319 23 15 46.36 +21 02 59.5 18.9 V D0321G96 9U01FF6 C2009 10 26.23367 23 15 46.87 +21 02 55.5 18.6 V D0321G96 9U01FF6 C2009 10 26.23660 23 15 38.35 +21 00 27.5 18.5 R D0321H01 9U01FF6 C2009 10 26.24037 23 15 42.70 +20 59 54.1 18.3 R D0321H01 9U01FF6 C2009 10 26.25573 23 16 11.65 +20 59 51.6 19.2 R D0321854 9U01FF6 C2009 10 26.25997 23 16 16.71 +20 59 11.5 19.5 R D0321854 9U01FF6 C2009 10 26.26420 23 16 21.63 +20 58 33.0 19.9 R D0321854 9U01FF6 C2009 10 26.35594 23 18 39.09 +20 40 48.9 18.9 V D0321G96 9U01FF6 C2009 10 26.35641 23 18 39.92 +20 40 42.8 18.4 V D0321G96 9U01FF6 C2009 10 26.35686 23 18 40.82 +20 40 36.9 18.8 V D0321G96 9U01FF6 C2009 10 26.35725 23 18 41.50 +20 40 31.9 19.0 V D0321G96 9U01FF6 C2009 10 26.81667 23 45 51.45 +19 38 46.5 18.6 V D0321J75 9U01FF6 C2009 10 26.81856 23 45 55.05 +19 38 33.9 18.4 V D0321J75 9U01FF6 C2009 10 26.82044 23 45 58.70 +19 38 20.9 18.5 V D0321J75 9U01FF6 C2009 10 26.82232 23 46 02.31 +19 38 08.2 18.5 V D0321J75 9U01FF6 C2009 10 26.82421 23 46 05.89 +19 37 54.9 18.4 V D0321J75 9U01FF6 C2009 10 26.82610 23 46 09.51 +19 37 41.7 18.5 V D0321J75 9U01FF6 C2009 10 26.84309 23 46 41.44 +19 35 33.7 18.5 V D0321J75 9U01FF6 C2009 10 26.84577 23 46 46.42 +19 35 12.0 18.8 V D0321J75 9U01FF6 C2009 10 26.84824 23 46 50.97 +19 34 51.7 18.5 V D0321J75 9U01FF6 C2009 10 26.85115 23 46 56.33 +19 34 27.5 18.4 V D0321J75 9U01FF6 C2009 10 26.85381 23 47 01.21 +19 34 05.2 18.7 V D0321J75 9U01FF6 C2009 10 26.85648 23 47 06.13 +19 33 42.6 18.7 V D0321J75 Observer details: 703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD. 854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0 Schmidt-Cassegrain + CCD. G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD. H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9 reflector + CCD. J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss, J. Rodriguez. 0.40-m f/10 reflector + CCD. 9U01FF6 Epoch 2009 Oct. 28.0 TT = JDT 2455132.5 MPC M 335.30002 (2000.0) P Q n 0.86163720 Peri. 210.02835 +0.42661759 -0.90426841 a 1.0937543 Node 214.72679 +0.83569695 +0.40139902 e 0.1018151 Incl. 1.73089 +0.34584395 +0.14552479 P 1.14 H 30.6 G 0.15 U 5 Residuals in seconds of arc K09AQ 703 0.2+ 0.2+ K09AQ H01 0.2- 0.1+ K09AQ J75 0.0 0.0 K09AQ 703 0.1+ 0.1- K09AQ H01 0.2- 0.3+ K09AQ J75 0.1+ 0.2+ K09AQ 703 0.5- 0.0 K09AQ 854 0.5+ 0.5+ K09AQ J75 0.4- 0.1+ K09AQ 703 0.3+ 0.4- K09AQ 854 1.5+ 0.3+ K09AQ J75 0.1- 0.3+ K09AQ H01 0.2+ 0.2+ K09AQ 854 0.5- 2.3+ K09AQ J75 0.4+ 0.3+ K09AQ H01 0.1- 0.3+ K09AQ G96 0.3- 0.4- K09AQ J75 0.5+ 0.1+ K09AQ H01 0.0 0.2+ K09AQ G96 0.8- 0.4- K09AQ J75 0.4+ 0.1- K09AQ G96 0.1+ 0.4- K09AQ G96 0.1+ 0.4- K09AQ J75 0.3+ 0.1- K09AQ G96 0.4+ 0.4- K09AQ G96 0.5- 0.3- K09AQ J75 0.2+ 0.0 K09AQ G96 0.4+ 0.3- K09AQ J75 0.2+ 0.0 K09AQ J75 0.6+ 0.2+ K09AQ G96 0.3+ 0.3- K09AQ J75 0.5- 0.1+ Geocentric elements for various recent epochs: Epoch T Peri Node Incl e a P/d 20091024 2455133.59332 249.86088 235.81397 23.53344 0.8102352 410358 30.1 20091025 2455133.60738 249.68283 235.85116 23.53085 0.8079806 410073 30.1 20091026 2455133.62147 249.59735 235.87945 23.52755 0.8053738 408150 29.9 20091027 2455133.63770 249.56787 235.98094 23.50720 0.8008199 402118 29.2 20091028 2455133.65823 249.04154 236.44905 23.33489 0.7886208 385607 27.4 An integration of the above gravitational solution (computed considering Earth oblateness terms) over the period 2000 to 2011 indicates that 9U01FF6 has been in geocentric orbit since mid-2003. The last apogee was around Oct. 14.4 at 0.004915 AU, the next will be around Nov 13.2 at 0.004987 AU. The next perigee will be around Oct. 29.2 at 0.000548 AU. Further observations are desirable. +-------------------------------------------------------------------------+ | 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. 321 Issued: 2009 Oct. 26, 22:08 UT