21P/Giacobini-Zinner (2005)

Japanese version Home page

Total 6,336 html files since Dec. 4, 1995 Updated on May 8, 2006

Profile Pictures

Orbital Elements Epoch 2005 July 9.0 TT = JDT 2453560.5 T 2005 July 2.7761 TT MPCM q 1.037915 (2000.0) P Q n 0.1488160 Peri. 172.5443 +0.9851445 -0.0991034 a 3.526709 Node 195.4300 +0.1173128 +0.9847906 e 0.705699 Incl. 31.8109 +0.1254112 -0.1427096 P 6.62 From 661 observations 1987-1999, mean residual 0".7. Nongravitational parameters A1 = -0.10, A2 = -0.0751.

Finding Charts

Magnitudes Graph m1 = 8.7 + 5 log d + 18.5 log r

The orbital elements are published at the MPC Ephemerides and Orbital Elements. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.