MPEC 2000-L44 : 1997 WS22
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Read MPEC 2000-L45
M.P.E.C. 2000-L44 Issued 2000 June 14, 16:27 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.
Prepared using the Tamkin Foundation Computer Network
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1997 WS22
Revision to MPEC 1997-X02
Observations:
J97W22S 1C2000 06 12.82423 02 30 11.91 -02 45 58.8 413
J97W22S 1C2000 06 12.82865 02 30 12.61 -02 45 54.4 413
J97W22S 1C2000 06 13.82994 02 32 55.23 -02 28 37.7 413
J97W22S 1C2000 06 13.83194 02 32 55.56 -02 28 35.9 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
000612 413 8.2- 7.1- 000613 413 7.5- 7.6- MPC 32314 +0.0036 day
Orbital elements:
1997 WS22
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams
M 145.87413 (2000.0) P Q
n 0.68885833 Peri. 196.97896 -0.25906552 +0.90041417
a 1.2697438 Node 59.28868 -0.83222295 -0.02445576
e 0.1207282 Incl. 23.98483 -0.49019385 -0.43434577
P 1.43 H 17.2 G 0.15 U 3
Residuals in seconds of arc
971124 413 0.8+ 0.5- 971221 360 0.7- 0.6- 980111 658 0.0 0.1+
971124 413 1.5+ 1.3- 971221 046 0.4- 0.6- 980112 046 0.5- 0.3-
971130 360 0.2+ 0.1- 971221 046 0.5- 0.5- 980112 046 0.1- 0.1+
971130 360 0.5+ 0.2- 971221 046 0.2- 0.4- 980112 046 0.1+ 0.2+
971130 360 0.0 0.1+ 971223 587 0.1+ 0.7- 980124 118 0.7+ 0.5+
971202 658 0.6- 0.2+ 971223 587 0.3- 1.2- 980124 118 0.3+ 0.2+
971202 658 0.3- 0.2+ 971223 587 0.0 1.1- 980126 118 0.7+ 0.5+
971202 658 0.8- 0.5+ 971225 402 0.1- 0.1- 980126 118 0.5+ 0.2+
971203 658 0.6- 0.0 971225 402 0.1- 0.0 980127 360 0.3- 0.2+
971203 658 0.4- 0.0 971225 402 0.3+ 0.1- 980127 360 0.9+ 0.4+
971203 658 0.2- 0.2+ 971225 118 0.2+ 0.4+ 980127 360 0.8+ 0.2+
971204 402 0.2- 0.2+ 971225 118 0.1- 0.2+ 980129 046 0.1- 0.3-
971204 402 0.3- 0.1+ 971225 118 0.3+ 0.2+ 980129 046 0.4+ 0.5+
971204 402 0.1- 0.2+ 971227 658 0.3- 0.4+ 980129 046 0.6+ 0.8-
971205 658 0.5- 0.8- 971227 658 0.4- 0.4+ 980201 046 0.4- 0.7+
971205 658 0.2- 0.5- 971227 658 1.1- 0.5+ 980201 046 0.4- 0.7-
971205 658 0.4- 0.8- 971227 104 0.6+ 1.6+ 980201 046 0.6- 0.7-
971205 046 0.1+ 0.5+ 971227 104 0.2+ 1.8+ 980201 046 0.0 0.3+
971205 046 0.1- 0.1+ 971230 046 1.0+ 0.3+ 980201 557 0.1- 0.2+
971205 046 0.5- 0.6+ 971230 046 0.6+ 0.2+ 980201 557 0.9+ 0.3-
971205 046 0.0 0.2+ 971230 046 0.8+ 0.1+ 980223 557 0.2+ 0.5-
971205 118 0.3+ 0.0 971230 118 0.7+ 0.2+ 980223 557 1.3- 0.4-
971205 118 0.2+ 0.2+ 971230 118 0.8+ 0.2+ 980319 658 0.9- 0.2-
971205 118 0.3- 0.2+ 980110 658 0.7- 0.7- 980319 658 0.1- 0.5-
971206 587 0.9+ 0.0 980110 658 0.9- 0.1+ 980319 658 0.5- 0.2+
971206 587 1.1+ 0.2+ 980110 658 0.7- 0.3- 980319 658 0.8- 0.6-
971218 658 0.1+ 0.1- 980110 046 0.4- 0.0 980619 696 0.1+ 0.4+
971218 658 0.1- 0.4+ 980110 046 0.2- 0.2+ 980619 696 0.4+ 0.2+
971218 658 0.3+ 0.1- 980110 046 0.2+ 0.1- 980619 696 0.2+ 0.1-
971218 046 0.4- 0.3+ 980110 557 0.0 0.5- 000612 413 0.7- 0.6+
971218 046 0.6- 0.1+ 980110 557 0.3- 0.1+ 000612 413 0.9- 0.4+
971218 046 0.5+ 0.1- 980111 658 0.0 1.1+ 000613 413 0.1- 0.3+
971221 360 0.3- 0.2- 980111 658 0.1- 0.6- 000613 413 0.0 0.1+
Ephemeris:
1997 WS22 a,e,i = 1.27, 0.12, 24 q = 1.1164
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 06 05 02 08.68 -05 03.5 1.662 1.253 48.8 37.5 20.3
2000 06 15 02 36.07 -02 08.6 1.651 1.272 50.4 38.0 20.3
2000 06 25 03 02.57 +00 38.9 1.633 1.290 52.2 38.5 20.4
2000 07 05 03 28.35 +03 18.0 1.609 1.308 54.2 39.1 20.4
2000 07 15 03 53.54 +05 48.5 1.578 1.325 56.5 39.8 20.4
2000 07 25 04 18.28 +08 10.7 1.540 1.341 59.1 40.6 20.4
2000 08 04 04 42.66 +10 25.4 1.494 1.356 62.0 41.4 20.4
2000 08 14 05 06.75 +12 33.7 1.441 1.369 65.1 42.2 20.3
2000 08 24 05 30.62 +14 37.5 1.381 1.382 68.6 42.9 20.3
2000 09 03 05 54.32 +16 39.0 1.314 1.392 72.3 43.6 20.2
2000 09 13 06 17.86 +18 41.0 1.243 1.402 76.3 44.2 20.1
2000 09 23 06 41.30 +20 47.5 1.167 1.409 80.6 44.6 20.0
2000 10 03 07 04.65 +23 03.1 1.087 1.415 85.2 44.8 19.9
2000 10 13 07 27.90 +25 33.7 1.007 1.420 90.2 44.6 19.7
2000 10 23 07 51.10 +28 26.2 0.926 1.422 95.4 44.1 19.5
2000 11 02 08 14.19 +31 48.8 0.848 1.423 101.0 43.2 19.3
2000 11 12 08 37.13 +35 49.8 0.775 1.422 106.7 41.8 19.0
2000 11 22 08 59.87 +40 36.6 0.709 1.419 112.5 40.0 18.8
2000 12 02 09 22.10 +46 12.5 0.654 1.415 117.9 38.0 18.6
2000 12 12 09 43.41 +52 31.8 0.610 1.409 122.3 36.2 18.3
2000 12 22 10 02.86 +59 17.9 0.581 1.401 125.1 35.1 18.2
2001 01 01 10 18.34 +66 03.2 0.567 1.392 125.6 35.1 18.1
2001 01 11 10 25.7 +72 13.8 0.565 1.381 123.9 36.2 18.1
2001 01 21 10 16.5 +77 18.0 0.573 1.368 120.7 38.2 18.2
2001 01 31 09 37.1 +80 41.5 0.588 1.354 116.6 40.6 18.3
2001 02 10 08 30.2 +81 49.9 0.606 1.339 112.2 43.0 18.4
2001 02 20 07 37.8 +80 50.2 0.625 1.323 108.0 45.3 18.5
2001 03 02 07 22.3 +78 32.0 0.642 1.306 104.2 47.4 18.6
2001 03 12 07 31.4 +75 28.4 0.657 1.288 100.7 49.3 18.7
2001 03 22 07 52.2 +71 47.3 0.668 1.270 97.5 51.1 18.7
2001 04 01 08 17.56 +67 27.0 0.675 1.252 94.8 52.7 18.8
2001 04 11 08 44.09 +62 25.7 0.679 1.233 92.3 54.3 18.8
2001 04 21 09 10.08 +56 41.9 0.681 1.215 90.1 55.8 18.8
2001 05 01 09 35.02 +50 15.7 0.682 1.197 88.0 57.3 18.8
2001 05 11 09 58.76 +43 10.5 0.684 1.180 86.1 58.6 18.8
2001 05 21 10 21.36 +35 31.5 0.687 1.165 84.3 59.8 18.9
2001 05 31 10 43.12 +27 26.8 0.694 1.151 82.5 60.8 18.9
2001 06 10 11 04.26 +19 07.0 0.705 1.139 80.7 61.6 18.9
2001 06 20 11 25.11 +10 43.3 0.722 1.130 79.1 62.0 19.0
2001 06 30 11 46.05 +02 26.3 0.743 1.122 77.6 62.2 19.0
2001 07 10 12 07.44 -05 34.4 0.768 1.118 76.2 62.0 19.1
2001 07 20 12 29.76 -13 11.9 0.796 1.116 74.9 61.5 19.1
2001 07 30 12 53.60 -20 21.7 0.827 1.117 73.9 60.8 19.2
2001 08 09 13 19.58 -27 00.2 0.859 1.121 73.1 59.9 19.3
2001 08 19 13 48.53 -33 04.1 0.890 1.128 72.4 58.8 19.3
2001 08 29 14 21.42 -38 29.5 0.922 1.137 72.0 57.6 19.4
2001 09 08 14 59.17 -43 09.7 0.952 1.149 71.7 56.4 19.4
2001 09 18 15 42.56 -46 54.5 0.982 1.163 71.6 55.1 19.5
2001 09 28 16 31.67 -49 31.5 1.012 1.178 71.6 53.8 19.6
2001 10 08 17 25.22 -50 47.8 1.044 1.194 71.5 52.5 19.6
2001 10 18 18 20.54 -50 35.2 1.077 1.212 71.4 51.2 19.7
2001 10 28 19 14.34 -48 55.1 1.113 1.230 71.2 49.9 19.7
2001 11 07 20 03.97 -45 58.6 1.154 1.248 70.7 48.5 19.8
2001 11 17 20 48.29 -42 02.7 1.200 1.267 70.0 47.2 19.9
2001 11 27 21 27.44 -37 25.5 1.252 1.285 68.9 45.7 20.0
2001 12 07 22 02.09 -32 22.8 1.310 1.303 67.5 44.3 20.1
2001 12 17 22 33.18 -27 07.2 1.373 1.320 65.7 42.8 20.2
2001 12 27 23 01.58 -21 48.1 1.441 1.337 63.7 41.3 20.2
2002 01 06 23 27.98 -16 32.2 1.513 1.352 61.3 39.6 20.3
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-L44
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- 1997-B01 (the full form)
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- B01 (the abbreviated form)