DASO Circular No. 70 Issued: 2006 Sept. 22, 02:20 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: 6R10DB9 C2006 09 21.67191 00 58 22.27 -27 05 33.6 D0070E12 6R10DB9 C2006 09 21.67456 00 58 23.12 -27 05 49.6 D0070E12 Observer details: E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt + CCD. Orbital elements: 6R10DB9 Epoch 2006 Sept. 22.0 TT = JDT 2454000.5 MPC M 326.52476 (2000.0) P Q n 0.93169986 Peri. 224.39320 +0.82442893 -0.56595224 a 1.0382104 Node 170.07308 +0.52531552 +0.76265016 e 0.0336262 Incl. 1.28750 +0.21061943 +0.31314979 P 1.06 H 29.8 G 0.15 U 4 Residuals in seconds of arc K069E 703 0.4+ 1.0+ K069G 703 1.1- 0.1- K069G E12 0.1- 0.0 K069E 703 0.2+ 0.9- K069G 703 0.3- 0.5- K069G E12 0.4+ 0.7- K069E 703 0.0 1.1- K069G 703 0.1- 0.3+ K069H 703 0.3- 0.7- K069E 703 (2.4+ 1.1-) K069G 703 0.1+ 0.6+ K069H 703 0.3- 0.1+ K069E 703 0.9- 0.7+ K069G E12 0.6+ 0.2- K069H 703 0.0 0.7+ K069E 703 0.6- 0.1- K069G E12 0.4- 0.4+ K069I E12 0.2- 0.1- K069E 703 0.5- 0.0 K069G E12 0.1+ 0.4+ K069I E12 0.2+ 0.4- K069E E12 0.8+ 0.7- K069G E12 0.6+ 0.1+ K069I E12 0.4+ 0.3+ K069E E12 0.0 0.1+ K069G E12 0.7+ 0.0 K069I E12 0.3+ 0.2- K069F 854 0.9+ 0.0 K069G E12 0.6- 0.5+ K069L E12 0.4- 0.3- K069F 854 0.5- 0.1+ K069G E12 0.0 1.0- K069L E12 0.0 0.1+ K069F 854 0.3+ 0.8+ K069G E12 0.2- 0.2+ Geocentric orbital elements for various epochs: Epoch T (JD) Peri. Node Incl. e a/km P/d YYYYMMDD (Referred to Earth equator) 20060910 2453989.75211 175.92762 159.14681 41.73748 0.5278298 1771518 269.9 20060912 2453989.37223 173.98774 159.15652 41.66520 0.5439314 1834149 284.4 20060914 2453989.00487 172.05750 159.14466 41.57486 0.5547163 1873747 293.6 20060916 2453988.63440 170.06881 159.09852 41.46063 0.5601875 1886771 296.7 20060918 2453988.24170 167.93132 158.99866 41.31548 0.5607391 1872936 293.4 20060920 2453987.81342 165.56721 158.82277 41.13890 0.5574140 1836239 284.9 20060924 2453986.86349 160.06791 158.16870 40.71782 0.5450972 1721223 258.5 20060926 2453986.37743 156.99943 157.66645 40.49376 0.5389329 1655338 243.8 20060928 2453985.91598 153.81150 157.03895 40.27514 0.5341500 1589468 229.4 Perigees occur around 2006 Sept. 11.2 (0.00561 AU), 2007 Jan. 3.4 (0.00352 AU), Mar. 24.6 (0.00241 AU) and June 11.9 (0.00201 AU). Apogees occur around 2006 Nov. 3.6 (0.0116 AU), 2007 Feb. 13.3 (0.00895 AU) and May 4.1 (0.00897 AU). +-------------------------------------------------------------------------+ | 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://cfa-www.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. 70 Issued: 2006 Sept. 22, 02:20 UT