Central Bureau for Astronomical Telegrams
IAUC 5268: 1991 JX
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Circular No. 5268
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM EASYLINK 62794505
MARSDEN or GREEN@CFA.BITNET MARSDEN or GREEN@CFAPS2.SPAN
1991 JX
E. Helin reports her discovery of a fast-moving asteroidal
object on films exposed by K. Lawrence, P. Rose, and herself with
the 0.46-m Schmidt telescope at Palomar. Measurements by Rose:
1991 UT R.A. (1950) Decl. Mag.
May 9.27083 13 49 32.33 - 7 55 17.2 16.0
9.29288 13 49 32.20 - 7 54 51.3
10.32847 13 49 45.06 - 7 34 18.6 16.0
10.35260 13 49 45.11 - 7 33 48.4
12.30990 13 50 22.26 - 6 52 02.2
12.33472 13 50 22.48 - 6 51 26.1
Preliminary orbital elements by G. Williams, Center for
Astrophysics:
T = 1991 June 25.583 ET Peri. = 63.792
e = 0.55825 Node = 212.666 1950.0
q = 1.01256 AU Incl. = 2.198
a = 2.29215 AU n = 0.284013 P = 3.47 years
1991 ET R.A. (1950) Decl. Delta r V
May 16 13 52.35 - 5 20.2 0.135 1.133 15.0
18 13 54.01 - 4 22.4
20 13 56.21 - 3 17.1 0.115 1.112 14.8
22 13 59.08 - 2 02.4
24 14 02.81 - 0 35.7 0.096 1.093 14.5
26 14 07.63 + 1 06.5
28 14 13.88 + 3 09.4 0.078 1.075 14.1
30 14 22.08 + 5 40.3
June 1 14 33.01 + 8 49.4 0.060 1.059 13.6
3 14 47.91 +12 51.3
5 15 08.90 +18 05.0 0.045 1.046 13.1
7 15 39.58 +24 48.6
9 16 25.86 +32 55.9 0.034 1.034 12.7
11 17 34.97 +41 02.6
13 19 05.67 +46 05.8 0.032 1.025 13.1
15 20 35.79 +46 16.2
17 21 43.99 +43 17.4 0.040 1.018 14.0
1991 May 15 (5268) Daniel W. E. Green
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