OAA computing section circular NK 617 Predictions in 1997 for Other Comets
Periodic Comet Haneda-Campos (1978 R1) T = 1997 Aug. 15.79529 TT Epoch = 1997 Aug. 20.0 TT Peri. = 307.05084 e = 0.6319746 Node = 66.60938 (2000.0) a = 3.4426331 AU Inc. = 4.94731 n'= 0.15430072 q = 1.2669765 AU P = 6.388 years From an orbit in NK 504 which was computed from 55 observations 1978 July 30-Nov. 29, mean residual 1".24. Periodic Comet du Toit-Hartley (79P) T = 1997 Nov. 14.51276 TT Epoch = 1997 Nov. 8.0 TT Peri. = 251.62199 e = 0.6007810 Node = 309.23914 (2000.0) a = 3.0075749 AU Inc. = 2.93946 n'= 0.18896414 q = 1.2006811 AU P = 5.216 years From an orbit in NK 521 which was computed from 47 observations 1982-1987, mean residual 0".93 in NK 521. Periodic Comet Shoemaker-Holt 1 (128P) T = 1997 Nov. 21.16559 TT Epoch = 1997 Nov. 8.0 TT Peri. = 210.21813 e = 0.3213812 Node = 214.52727 (2000.0) a = 4.4900422 AU Inc. = 4.36160 n'= 0.10359253 q = 3.0470270 AU P = 9.514 years From an orbit in NK 530 which was computed from 65 observations 1987 Sept.24-1989 Feb. 06, mean residual 1".19.
Director, Computing Section Syuichi Nakano 1994 Apr. 24