221P/LINEAR (2009)

Japanese version Home page

Updated on May 5, 2012

Profile Designation 221P/2009 L1 Recovery Date June 1, 2009 Magnitude 20.5 mag Recoverer L. Elenin (Lyubertsy, Moscow region, Russia)

Orbital Elements Epoch 2009 Jan. 9.0 TT = JDT 2454840.5 T 2009 Jan. 24.90359 TT MPC q 1.7836742 (2000.0) P Q n 0.15189977 Peri. 39.69986 -0.01433754 +0.98831758 a 3.4788148 Node 230.03385 -0.96032396 -0.05587960 e 0.4872753 Incl. 11.41856 -0.27851810 +0.14179502 P 6.49 From 173 observations 2002 Apr. 14-2009 Sept. 27, mean residual 0".7.

Magnitudes Graph m1 = 14.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2012-J16. The magnitudes graphs are made with Comet for Windows.