Central Bureau for Astronomical Telegrams
IAUC 3669: 1982 DA; 1982 BB
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Read IAUC 3670
Circular No. 3669
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-864-5758
1982 DA
Another fast-moving asteroidal object has been found, this
time by C. S. Shoemaker and S. J. Bus on exposures with the 0.46-m
Schmidt telescope at Palomar:
1982 UT R. A. (1950) Decl. Mag.
Feb. 18.26944 10 54.7 +16 12 15.5
The daily motion is ~ 0o.75 northward (and slightly eastward).
1982 BB
Further precise positions have been reported as follows:
1982 UT R. A. (1950) Decl. Mag. Observer
Jan. 20.02202 10 53 00.21 +11 07 23.1 15-15.5 Chernykh
21.02080 10 52 04.42 +11 50 23.2 15-15.5 "
Feb. 13.22986 10 16 00.52 +27 58 00.5 Helin
13.25764 10 15 57.13 +27 58 58.6 "
N. S. Chernykh (Crimean Astrophysical Observatory). Independent
discovery. Jan. 21: weak image, measurement uncertain.
E. Helin and R. S. Dunbar (Palomar Observatory).
The following orbital elements, by the undersigned, satisfy
the seven available precise positions within ~ 1":
T = 1981 Sept. 25.2965 ET
Peri. = 253.5778 e = 0.355331
Node = 129.3369 1950.0 a = 1.407463 AU
Incl. = 20.9854 n = 0.5902671
q = 0.907348 AU P = 1.670 years
1982 ET R. A. (1950) Decl. Delta r Mag.
Feb. 20 10 03.40 +31 25.1 0.585 1.551 16.1
25 9 54.76 +33 24.9
Mar. 2 9 47.17 +34 57.3 0.660 1.595 16.5
7 9 40.88 +36 04.9
12 9 36.04 +36 51.0 0.753 1.635 17.0
17 9 32.69 +37 19.0
22 9 30.77 +37 32.0 0.860 1.673 17.4
1982 February 19 (3669) Brian G. Marsden
Read IAUC 3670
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