Central Bureau for Astronomical Telegrams
IAUC 3192: 1978 DA
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Read IAUC 3193
Circular No. 3192
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Cable Address: SATELLITES, NEWYORK Telex: 921428
Telephone: (617) 864-5758
1978 DA
The following precise position has been measured by M. L.
Kantz from an exposure by H. L. Giclas at the Lowell Observatory:
1978 UT R. A. (1950) Decl.
Mar. 8.27431 12 40 48.07 - 6 12 58.9
The following improved orbital elements, by B. G. Marsden, are
from observations Feb. 17 to Mar. 8:
T = 1978 Apr. 5.999 ET
Peri. = 32.374 e = 0.58802
Node = 169.874 1950.0 a = 2.48792 AU
Incl. = 15.664 n = 0.251160
q = 1.02497 AU P = 3.92 years
1978 ET R. A. (1950) Decl. Delta r B
Mar. 19 15 28.29 +18 11.3
21 15 59.73 +21 47.8 0.100 1.046 15.2
23 16 28.38 +24 38.7
25 16 53.82 +26 48.5 0.115 1.037 15.7
27 17 16.03 +28 25.0
29 17 35.25 +29 36.1 0.135 1.030 16.2
31 17 51.82 +30 28.2
Apr. 2 18 06.12 +31 06.5 0.158 1.026 16.6
4 18 18.49 +31 34.7
6 18 29.23 +31 55.4 0.181 1.025 16.9
8 18 38.61 +32 10.7
10 18 46.84 +32 21.8 0.204 1.026 17.2
12 18 54.10 +32 29.7
22 19 19.99 +32 41.9 0.272 1.046 17.8
May 2 19 34.65 +32 30.8
12 19 41.70 +32 01.7 0.367 1.125 18.3
22 19 42.62 +31 06.1
June 1 19 38.37 +29 33.0 0.438 1.245 18.6
11 19 29.99 +27 10.1
21 19 19.21 +23 50.8 0.507 1.390 18.8
July 1 19 08.02 +19 41.3
11 18 58.26 +14 58.6 0.609 1.545 19.2
B = 18.8 + 5 log Delta + 5 log r + 0.023 (phase angle)
1978 March 13 (3192) Brian G. Marsden
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