Central Bureau for Astronomical Telegrams
IAUC 2966: 1975 YA; 1976 AA
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Read IAUC 2967
Circular No. 2966
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
Western Union: RAPID SATELLITE CAMBMASS
1975 YA
E. Roemer, University of Arizona, provides precise positions:
1976 UT R. A. (1950) Decl. Mag. Note
Feb. 3.09375 21 02 05.80 +46 09 55.2 1
May 25.39792 20 50 42.66 +17 14 53.7 1
June 5.30899 20 25 54.11 + 5 50 43.1 ~17.6 2
5.32242 20 25 51.52 + 5 49 36.4 2
Note 1. Lunar and Planetary Laboratory, Catalina Station. 154-cm
reflector. Measurer: C. D. Vesely.
Note 2. Steward Observatory, Kitt Peak Station. 229-cm reflector.
C. A. Heller assisted. Measurer: C. D. Vesely.
The following improved elements, by B. G. Marsden, are from 24
observations 1975 Dec. 27 to 1976 June 5:
T = 1976 Feb. 14.9791 ET Epoch = 1976 Mar. 3.0 ET
Peri. = 61.6710 e = 0.298213
Node = 93.7398 1950.0 a = 1.290135 AU
Incl. = 64.0129 n = 0.6725914
q = 0.905400 AU P = 1.465 years
1976 ET R. A. (1950) Decl. Delta r Mag.
July 21 15 51.48 -54 32.9 0.665 1.485 18.3
31 15 22.37 -55 57.2
Aug. 10 15 09.49 -56 45.5 0.978 1.547 19.3
20 15 07.21 -57 29.8
30 15 12.30 -58 19.6 1.280 1.597 20.0
Sept. 9 15 22.92 -59 17.1
19 15 38.12 -60 21.2 1.546 1.635 20.4
1976 AA
E. Roemer, University of Arizona, provides the following precise
positions, obtained with the 229-cm reflector, Kitt Peak:
1976 UT R. A. (1950) Decl. Mag. Note
Jan. 26.32221 4 33 07.52 +52 38 47.3 1
26.32499 4 33 06.09 +52 38 58.3 1
June 5.44734 1 24 08.95 +13 25 39.4 ~19.0 2
Note 1. R. A. McCallister assisted. Measurer: W. Smith.
Note 2. C. A. Heller assisted. Measurer: C. D. Vesely.
The following improved elements, by B. G. Marsden, are from 46
observations Jan. 7 to June 5:
T = 1976 May 20.1779 ET Epoch = 1976 May 22.0 ET
Peri. = 147.7752 e = 0.182388
Node = 108.0824 1950.0 a = 0.966451 AU
Incl. = 18.9100 n = 1.037372
q = 0.790182 AU P = 0.950 year
1976/77 ET R. A. (1950) Decl. Delta r Mag.
July 21 4 02.44 + 1 04.7 0.716 0.918 18.8
31 4 33.79 + 0 22.9
Aug. 10 5 03.77 - 0 06.9 0.787 0.983 19.0
20 5 32.54 - 0 31.2
30 6 00.22 - 0 54.2 0.818 1.041 19.1
Sept. 9 6 26.91 - 1 17.7
19 6 52.83 - 1 42.5 0.806 1.089 19.1
29 7 18.11 - 2 08.1
Oct. 9 7 42.92 - 2 32.7 0.753 1.122 19.0
19 8 07.53 - 2 53.9
29 8 32.19 - 3 07.7 0.664 1.140 18.8
Nov. 8 8 57.30 - 3 08.5
18 9 23.44 - 2 48.6 0.551 1.141 18.4
28 9 51.35 - 1 56.8
Dec. 8 10 22.27 - 0 16.6 0.425 1.126 17.8
18 10 58.06 + 2 34.6
23 11 18.57 + 4 35.9
28 11 41.37 + 7 05.8 0.309 1.095 17.1
Jan. 2 12 06.97 +10 06.3
7 12 35.87 +13 36.4 0.265 1.074 16.7
12 13 08.43 +17 29.8
17 13 44.68 +21 32.9 0.239 1.050 16.6
22 14 24.13 +25 25.9
27 15 05.60 +28 46.5 0.235 1.023 16.6
Feb. 1 15 47.45 +31 18.4
6 16 27.92 +32 55.3 0.250 0.993 16.8
11 17 05.67 +33 40.8
16 17 39.99 +33 43.7 0.279 0.962 17.2
21 18 10.77 +33 13.3
26 18 38.36 +32 17.5 0.316 0.929 17.4
Mar. 3 19 03.28 +31 02.1
8 19 26.13 +29 31.6
18 20 07.72 +25 58.0 0.395 0.867 17.9
28 20 46.51 +21 56.0
Apr. 7 21 24.83 +17 41.9 0.481 0.816 18.2
17 22 04.05 +13 35.6
27 22 44.53 + 9 56.1 0.580 0.791 18.5
1976 June 22 (2966) Brian G. Marsden
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