MPEC 1999-R41 : 1990 SS
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 1999-R40
Read MPEC 1999-R42
M.P.E.C. 1999-R41 Issued 1999 Sept. 14, 13:42 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1990 SS
Observations:
J90S00S C1999 09 13.03347 03 16 51.04 +29 32 39.1 046
J90S00S C1999 09 13.03502 03 16 51.12 +29 32 42.0 046
J90S00S C1999 09 13.03652 03 16 51.42 +29 32 45.9 19.6 R 046
J90S00S C1999 09 13.03800 03 16 51.75 +29 32 49.9 046
J90S00S C1999 09 13.04230 03 16 52.08 +29 33 01.1 046
J90S00S C1999 09 13.04429 03 16 52.39 +29 33 04.1 046
J90S00S C1999 09 13.04581 03 16 52.55 +29 33 08.3 19.5 R 046
J90S00S C1999 09 14.04671 03 18 56.42 +30 12 40.7 046
J90S00S C1999 09 14.04853 03 18 56.56 +30 12 45.4 046
J90S00S C1999 09 14.05057 03 18 56.90 +30 12 50.1 19.4 R 046
J90S00S C1999 09 14.05544 03 18 57.47 +30 13 02.0 19.3 R 046
J90S00S C1999 09 14.05742 03 18 57.73 +30 13 06.0 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
990913 046 0.21+ 0.11+ 990914 046 0.22+ 0.11+ MPC 35682 -0.19 day
Orbital elements:
1990 SS
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Marsden
M 299.81276 (2000.0) P Q
n 0.44344863 Peri. 115.86282 -0.43684475 -0.89953688
a 1.7031014 Node 0.04232 +0.65943146 -0.32042722
e 0.4747700 Incl. 19.40876 +0.61181436 -0.29691715
P 2.22 H 18.7 G 0.15 U 1
Residuals in seconds of arc
900925 691 0.1+ 0.0 901009 691 0.8+ 0.1- 910411 413 0.8+ 1.0-
900925 691 0.7+ 0.4+ 901022 691 0.9+ 0.6+ 910412 801 1.6+ 0.0
900925 691 0.4+ 0.3+ 901022 691 0.4+ 0.4+ 910412 801 1.1- 1.1+
900926 691 0.9+ 0.3- 901022 691 1.2+ 0.2- 910418 691 0.5- 1.1-
900926 691 0.7+ 0.1- 901114 691 0.5+ 0.6- 910418 691 0.6- 1.3-
900926 691 (2.1+ 0.7-) 901114 691 0.4+ 0.7- 910418 691 1.2- 1.3-
900927 691 0.4- 1.0- 910315 691 0.7- 0.6- Y 990913 046 0.0 0.2+
900927 691 0.4- 1.1- 910316 801 0.6+ 1.2- 990913 046 1.4- 0.6-
900927 691 0.2- 1.0- 910316 801 0.8+ 0.7- 990913 046 0.2+ 0.2-
900927 691 0.3- 1.2- 910320 801 0.2+ 0.2+ 990913 046 (2.2+ 0.3+)
900928 691 0.1+ 1.0- 910320 801 0.2+ 0.1- 990913 046 0.2- 1.4+
900928 691 0.3- 0.5- 910322 568 0.5- 1.5+ 990913 046 0.8+ 0.3-
900928 691 0.3+ 0.9- 910405 691 0.1+ 0.5- 990913 046 0.5+ 0.3+
900928 691 0.3+ 0.6- 910405 691 0.6- 0.7- 990914 046 0.4- 0.8+
900928 691 0.3+ 0.7- 910405 691 0.2- 0.1- 990914 046 1.4- 1.2+
900928 691 1.4+ 0.4- 910410 413 0.4+ 1.7+ 990914 046 0.2- 0.9+
901009 691 0.1- 0.4- 910410 413 (2.6+ 1.8-) 990914 046 0.5- 1.1+
901009 691 0.6+ 0.0 910411 413 (2.0+ 3.5-) 990914 046 0.2- 0.3+
Ephemeris:
1990 SS a,e,i = 1.70, 0.47, 19 q = 0.8945
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 09 03 08.84 +27 02.5 0.737 1.465 113.4 39.1 20.4
1999 09 14 03 18.84 +30 10.8 0.677 1.430 115.0 39.6 20.2
1999 09 19 03 29.76 +33 42.8 0.620 1.395 116.3 40.2 20.0
1999 09 24 03 42.03 +37 41.7 0.568 1.360 117.1 41.1 19.7
1999 09 29 03 56.35 +42 10.7 0.520 1.324 117.3 42.2 19.5
1999 10 04 04 13.79 +47 11.0 0.478 1.289 116.8 43.9 19.3
1999 10 09 04 36.21 +52 40.1 0.441 1.253 115.4 46.1 19.2
1999 10 14 05 06.98 +58 28.2 0.410 1.218 113.0 48.9 19.0
1999 10 19 05 52.16 +64 10.9 0.386 1.183 109.6 52.5 18.9
1999 10 24 07 01.17 +68 57.5 0.369 1.149 105.3 56.6 18.9
1999 10 29 08 38.7 +71 22.8 0.360 1.116 100.4 61.2 18.9
1999 11 03 10 22.8 +70 18.0 0.356 1.083 95.1 65.8 19.0
1999 11 08 11 42.15 +66 19.7 0.359 1.053 89.8 70.3 19.1
1999 11 13 12 33.95 +60 56.0 0.366 1.023 84.8 74.4 19.2
1999 11 18 13 07.84 +55 05.3 0.377 0.996 80.2 77.9 19.3
1999 11 23 13 31.28 +49 14.9 0.391 0.972 76.2 80.8 19.4
1999 11 28 13 48.58 +43 35.4 0.408 0.950 72.8 83.0 19.5
1999 12 03 14 02.16 +38 10.1 0.426 0.931 70.0 84.5 19.7
1999 12 08 14 13.42 +32 59.1 0.445 0.916 67.9 85.4 19.7
1999 12 13 14 23.24 +28 01.1 0.464 0.905 66.4 85.6 19.8
1999 12 18 14 32.19 +23 14.6 0.483 0.897 65.4 85.3 19.9
1999 12 23 14 40.66 +18 38.5 0.503 0.895 64.9 84.5 19.9
1999 12 28 14 48.91 +14 12.1 0.522 0.896 64.8 83.3 20.0
2000 01 02 14 57.09 +09 55.1 0.540 0.902 65.2 81.8 20.0
2000 01 07 15 05.27 +05 47.5 0.558 0.912 66.0 80.0 20.0
2000 01 12 15 13.46 +01 49.2 0.574 0.926 67.1 78.0 20.1
2000 01 17 15 21.67 -02 00.0 0.589 0.944 68.5 75.9 20.1
2000 01 22 15 29.85 -05 40.2 0.603 0.965 70.3 73.7 20.1
2000 01 27 15 37.97 -09 11.9 0.614 0.989 72.2 71.5 20.1
2000 02 01 15 45.93 -12 35.4 0.624 1.015 74.4 69.2 20.1
2000 02 06 15 53.63 -15 51.4 0.633 1.044 76.9 66.9 20.2
2000 02 11 16 00.95 -19 00.4 0.639 1.074 79.6 64.6 20.2
2000 02 16 16 07.79 -22 03.4 0.644 1.106 82.5 62.3 20.2
2000 02 21 16 14.01 -25 01.0 0.647 1.139 85.6 59.9 20.2
2000 02 26 16 19.47 -27 54.1 0.649 1.173 88.9 57.5 20.2
2000 03 02 16 24.00 -30 43.3 0.649 1.208 92.4 55.1 20.2
2000 03 07 16 27.38 -33 28.9 0.649 1.243 96.2 52.6 20.2
2000 03 12 16 29.40 -36 11.0 0.648 1.278 100.1 49.9 20.2
2000 03 17 16 29.83 -38 49.2 0.647 1.314 104.2 47.2 20.1
2000 03 22 16 28.43 -41 22.8 0.646 1.349 108.5 44.4 20.1
2000 03 27 16 24.95 -43 50.1 0.646 1.385 113.0 41.6 20.1
2000 04 01 16 19.12 -46 08.8 0.647 1.420 117.5 38.6 20.1
2000 04 06 16 10.76 -48 15.6 0.651 1.455 122.1 35.6 20.0
2000 04 11 15 59.86 -50 06.5 0.656 1.490 126.6 32.7 20.0
2000 04 16 15 46.60 -51 37.5 0.664 1.524 130.9 29.8 20.0
2000 04 21 15 31.45 -52 44.9 0.676 1.558 134.9 27.2 20.0
2000 04 26 15 15.11 -53 26.5 0.692 1.591 138.4 24.8 20.1
2000 05 01 14 58.46 -53 41.5 0.711 1.624 141.1 22.9 20.1
2000 05 06 14 42.47 -53 31.3 0.735 1.656 143.0 21.5 20.2
2000 05 11 14 27.95 -52 59.5 0.764 1.688 143.8 20.7 20.3
2000 05 16 14 15.48 -52 10.9 0.797 1.720 143.7 20.4 20.4
2000 05 21 14 05.31 -51 10.8 0.835 1.750 142.6 20.6 20.5
2000 05 26 13 57.46 -50 03.6 0.876 1.780 140.7 21.1 20.7
2000 05 31 13 51.83 -48 53.4 0.922 1.810 138.3 21.9 20.9
2000 06 05 13 48.24 -47 43.3 0.972 1.839 135.5 22.8 21.0
2000 06 10 13 46.45 -46 35.7 1.025 1.867 132.4 23.7 21.2
2000 06 15 13 46.23 -45 32.2 1.082 1.895 129.2 24.6 21.4
2000 06 20 13 47.36 -44 33.8 1.141 1.922 125.8 25.4 21.6
2000 06 25 13 49.63 -43 40.9 1.203 1.948 122.5 26.1 21.7
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-R41
Read MPEC 1999-R40
Read MPEC 1999-R42
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)