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M.P.E.C. 1998-A22 Issued 1998 Jan. 14, 22:56 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
CRITICAL-LIST MINOR PLANETS (1998 JAN. 27.0 TT)
Ephemerides and orbital elements for the objects listed here
are available on the Minor Planet Center's WWW site at:
http://cfa-www.harvard.edu/cfa/ps/Ephemerides/CritList/index.html
1. Object observed at only one opposition:
(719)
2. Objects observed at only two oppositions:
(4581) (4688) (5335) (5370) (5797) (6489) (6491) (7025) (7236)
(7822) (7839) (8014) (8034)
3. Objects observed at only three oppositions:
(2608) (3360) (3757) (3908) (4544) (5324) (6130) (6322) (6618)
(7335) (7336)
4. Objects observed at four or more oppositions, last more than ten
years ago:
(1237) (1915) (2816) (3758)
5. Objects observed at four or more oppositions, only one night in last
ten years:
(457) (587) (664) (927) (1035) (1168) (1236) (1290) (1521)
(1906) (2135) (2430) (2782) (3269) (3344) (3400) (3417) (3521)
(3648) (3725) (3756) (3880) (4130) (4295) (4300)
6. Other poorly-observed objects observed at four or more oppositions:
(2100) (2285) (2340) (3200) (3362) (3416) (3554) (3607) (3747)
(3750) (3753) (3800) (3838) (4034) (4769) (4776) (5011) (5381)
(5395) (5590) (5604) (5786) (5819) (5828) (5912) (6037) (6239)
Ephemeris Positions Of Critical-List Minor Planets For 1998 Jan. 27.0 TT
Designation (and name) Ref. R.A. (2000) Decl. Geo. Hel. El. Ph. V
(2340) Hathor 30890* 02 36.94 +02 10.2 0.49 1.10 90.7 63.2 20.1
(1035) Amata 16997* 03 45.73 +41 44.1 2.76 3.29 114.9 15.7 15.9
(4130) Ramanujan 14777* 05 26.43 +10 24.7 2.38 3.14 133.3 13.2 17.7
(7335) 1989 JA 28570* 09 47.62 +38 08.9 1.57 2.50 155.1 9.6 20.6
(3725) Valsecchi 12691* 09 53.10 +21 17.3 2.05 3.00 161.9 5.8 18.1
(3521) Comrie 30890* 10 05.06 +19 02.8 1.20 2.15 159.2 9.4 17.1
(3800) Karayusuf 26726* 10 12.18 +36 25.5 0.60 1.54 152.5 17.1 16.1
(5590) 1990 VA 28281* 10 27.62 -65 15.0 0.28 1.04 93.6 70.7 19.5
(4776) Luyi 27892* 10 42.27 +13 21.5 1.88 2.77 149.5 10.4 19.1
(5395) 1988 RK11 27545* 10 48.03 +04 02.9 1.86 2.72 144.9 12.0 19.8
(2285) Ron Helin 27888* 11 00.37 +05 22.3 1.82 2.67 142.7 12.9 18.5
(3648) Raffinetti 28279* 11 09.88 -05 20.4 1.57 2.38 135.4 16.9 16.8
(2816) Pien 25515* 11 22.98 +13 52.5 2.36 3.18 140.0 11.5 16.8
(2782) Leonidas 23656* 11 46.68 +04 01.6 2.48 3.21 131.5 13.3 18.9
(1168) Brandia 16847* 11 57.83 -13 13.4 2.47 3.10 121.2 15.8 17.8
(1521) Seinajoki 14765* 12 52.60 +00 59.5 2.39 2.94 115.0 17.6 16.7
(5912) 1989 YR 23333* 13 06.17 -03 04.2 1.74 2.28 110.4 23.9 18.0
(3757) 1982 XB 30890* 13 47.71 -01 51.4 0.53 1.20 101.1 53.5 19.9
(1236) Thais 25188* 14 07.51 -03 29.9 2.72 2.98 95.9 19.2 17.4
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-A22
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