1976 AA
Abstract
The followtng precise positions have been measured by C. Y. Shao from plates taken by R. E. McCrosky with the 155-cm reflector at the Harvard College Observatory's Agassiz Station: 1976 UT R. A. (1950) Decl. Feb. 23.98194 1 42 29.48 +65 38 16.0 Mar. 8.01771 0 55 38.87 +66 43 29.0 The following improved orbital elements, by the undersigned, are from observations Jan. 7 to Mar. 8, perturbations included: T = 1976 May 20.1753 ET Epoch = 1976 May 22.0 ET Peri. = 147.7709 e = 0.182399 Node = 108.0823 1950.0 a = 0.966469 AU Incl. = 18.9132 n = 1.037343 q = 0.790186 AU P = 0.950 year 1976 ET R. A. (1950) Decl. Delta r Mag. May 12 0 04.95 +32 52.9 0.368 0.793 18.0 17 0 19.04 +28 13.7 22 0 34.53 +23 49.7 0.398 0.790 18.1 27 0 51.08 +19 48.0 June 1 1 08.36 +16 13.1 0.442 0.796 18.2 6 1 26.09 +13 06.5 11 1 44.07 +10 28.2 0.495 0.810 18.3 16 2 02.12 + 8 16.2 21 2 20.12 + 6 28.0 0.553 0.831 18.4 26 2 37.94 + 5 00.2 July 1 2 55.50 + 3 49.6 0.612 0.857 18.6 6 3 12.74 + 2 53.2 11 3 29.65 + 2 08.4 0.667 0.887 18.7 16 3 46.21 + 1 32.8 21 4 02.42 + 1 04.5 0.716 0.918 18.8
- Publication:
-
International Astronomical Union Circular
- Pub Date:
- May 1976
- Bibcode:
- 1976IAUC.2950....1S