100P/Hartley 1 (2009)

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Updated on September 15, 2009

Profile

Orbital Elements The following orbital elements are taken from MPC 56805: Epoch 2009 Nov. 25.0 TT = JDT 2455160.5 T 2009 Dec. 6.1473 TT MPC q 1.982408 (2000.0) P Q n 0.1565268 Peri. 181.7079 -0.7728420 +0.5763349 a 3.409914 Node 37.8448 -0.5769798 -0.4638898 e 0.418634 Incl. 25.6542 -0.2642150 -0.6727884 P 6.30 From 172 observations 1985-2003, mean residual 0".8. Nongravitational parameters A1 = +0.24, A2 = -0.0018.

Magnitudes Graph m1 = 4.0 + 5 log d + 40 log r

The orbital elements are published at the MPC Ephemerides and Orbital Elements. The magnitudes graphs are made with Comet for Windows.