MPEC 1993-W08 : 1991 WA
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M.P.E.C. 1993-W08 Issued 1993 Nov. 23, 19:25 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.
MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)
1991 WA
Recovered by R. H. McNaught at Siding Spring.
Additional observations:
J91W00A TA1993 11 21.50322 04 18 59.63 -15 42 02.3 413
J91W00A TA1993 11 21.50919 04 18 55.92 -15 40 54.3 413
J91W00A C1993 11 22.62022 04 07 57.18 -12 11 42.0 413
J91W00A C1993 11 22.62238 04 07 55.90 -12 11 17.2 413
J91W00A C1993 11 22.62470 04 07 54.59 -12 10 52.1 413
Observer details:
413 Siding Spring Observatory. Observers M. J. Drinkwater, R. H. McNaught,
P. Wood. Measurer R. H. McNaught. U.K. Schmidt, 1.0-m reflector + CCD.
Orbital elements:
1991 WA
Id. R. H. McNaught (1993 observations)
Epoch 1994 Feb. 17.0 TT = JDT 2449400.5 Williams
M 75.96178 (2000.0) P Q
n 0.49844055 Peri. 241.75238 +0.43649757 +0.68234842
a 1.5754107 Node 66.76515 -0.42087283 +0.73092359
e 0.6424099 Incl. 39.65494 -0.79519553 -0.01230195
P 1.98 H 17.5 G 0.15
Residuals in seconds of arc
911129 413 (0.7- 9.7+) 911204 413 0.5+ 2.0- 920102 801 0.2+ 0.9+
911129 413 (0.7+ 8.0-) 911205 801 0.5+ 0.1+ 920102 801 0.7- 0.2-
911201 413 1.2- 1.9+ 911220 413 0.2- 0.4- 931121 413 0.9- 1.4+
911201 413 1.2- 2.1+ 911220 413 0.0 0.3+ 931121 413 0.1- 0.7+
911201 413 (1.0+ 3.3+) 911220 413 1.3- 0.4- 931122 413 0.9+ 1.5-
911202 413 0.3+ 1.3+ 911220 413 0.2- 0.7- 931122 413 0.5+ 0.5-
911202 413 0.3+ 1.2- 911220 413 0.0 0.1- 931122 413 1.0+ 1.1-
911204 413 0.0 1.7- 911220 413 0.1- 0.0
911204 413 0.2+ 0.7+ 911220 413 0.5+ 0.1+
Ephemeris:
1991 WA a,e,i = 1.58, 0.64, 40
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1993 11 19 04 47.36 -23 56.8 0.201 1.136 133.4 39.2 15.9
1993 11 21 04 24.27 -17 19.9 0.207 1.158 141.6 32.0 15.8
1993 11 23 04 04.45 -11 02.7 0.219 1.179 148.5 25.9 15.7
1993 11 25 03 47.56 -05 20.3 0.234 1.201 153.7 21.4 15.8
1993 11 27 03 33.24 -00 19.1 0.252 1.222 156.6 18.7 15.9
1993 11 29 03 21.12 +04 00.7 0.274 1.244 157.4 17.7 16.1
1993 12 01 03 10.85 +07 42.5 0.298 1.265 156.5 18.1 16.3
1993 12 03 03 02.17 +10 51.2 0.323 1.285 154.6 19.2 16.6
1993 12 05 02 54.83 +13 31.9 0.351 1.306 152.2 20.6 16.8
1993 12 07 02 48.62 +15 49.3 0.379 1.326 149.5 22.1 17.1
1993 12 09 02 43.40 +17 47.4 0.409 1.346 146.8 23.6 17.3
1993 12 11 02 39.02 +19 29.6 0.440 1.366 144.2 24.9 17.5
1993 12 13 02 35.37 +20 58.5 0.472 1.386 141.7 26.1 17.8
1993 12 15 02 32.37 +22 16.5 0.505 1.406 139.2 27.2 18.0
1993 12 17 02 29.93 +23 25.5 0.538 1.425 136.9 28.2 18.2
1993 12 19 02 27.99 +24 26.7 0.572 1.444 134.6 29.0 18.4
1993 12 29 02 24.00 +28 14.3 0.749 1.537 124.5 31.8 19.2
1994 01 08 02 26.60 +30 45.3 0.934 1.625 115.8 33.0 19.8
1994 01 18 02 33.48 +32 38.2 1.126 1.707 107.9 33.3 20.3
1994 01 28 02 43.33 +34 10.5 1.320 1.786 100.6 32.8 20.7
Gareth V. Williams M.P.E.C. 1993-W08
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