Circular No. 5666

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION

Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.

Telephone 617-495-7244/7440/7444 (for emergency use only) TWX 710-320-6842 ASTROGRAM CAM EASYLINK 62794505

MARSDEN@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)

PERIODIC COMET SCHAUMASSE (1992x)

Orbital elements by S. Nakano from MPC 21236:

Epoch = 1993 Feb. 22.0 TT

T = 1993 Mar. 3.9608 TT  ω = 57.^{o}4820
e = 0.704849  Ω = 81.0530 }2000.0
q = 1.202158 AU  i = 11.8458

a = 4.073033 AU n^{o} = 0.1199022 P = 8.220 years

1992 /93 α_{2000}  δ_{2000}  Δ  r  ϵ  β  m_{1}
Dec. 4 4^{h}12.^{m}30 +14^{o}46.^{′}2 0.672 1.651 169.^{o}6 6.^{o}2 12.7
9 4 05.45 +15 41.0 0.641 1.611 164.3  9.5 12.3
14 3 58.44 +16 44.3 0.615 1.573 158.3 13.4 11.8
19 3 51.59 +17 55.9 0.595 1.535 152.1 17.5 11.5
24 3 45.24 +19 15.7 0.579 1.498 145.9 21.6 11.1
29 3 39.77 +20 43.0 0.567 1.463 139.9 25.7 10.7
Jan. 3 3 35.48 +22 17.5 0.558 1.429 134.1 29.6 10.4
8 3 32.62 +23 58.6 0.552 1.396 128.7 33.4 10.1
13 3 31.40 +25 45.6 0.548 1.365 123.7 36.8  9.8
18 3 31.97 +27 38.0 0.545 1.337 119.1 40.1  9.5
23 3 34.48 +29 35.0 0.544 1.310 114.9 43.0  9.2
28 3 39.06 +31 36.0 0.544 1.286 111.2 45.6  9.0
Feb. 2 3 45.81 +33 39.9 0.544 1.265 108.0 47.8  8.7
7 3 54.83 +35 45.3 0.545 1.246 105.2 49.8  8.5
12 4 06.24 +37 50.3 0.546 1.230 102.9 51.4  8.4
17 4 20.17 +39 52.5 0.548 1.218 101.1 52.8  8.3
22 4 36.78 +41 48.8 0.550 1.209  99.6 53.8  8.2
27 4 56.18 +43 35.5 0.552 1.204  98.6 54.4  8.1
Mar. 4 5 18.38 +45 08.1 0.556 1.202  98.0 54.8  8.1

NOVA PUPPIS 1991

Additional photometry (cf. IAUC 5655) by A. C. Gilmore at Mt. John University Observatory: Nov. 21.62, V = 12.17 ± 0.00, U–B = –1.12 ± 0.05, B–V = –0.02 ± 0.01, V–R = +0.30 ± 0.01.

1992 December 3 Daniel W. E. Green