171P/Spahr (2005)

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Updated on March 18, 2012

Profile Designation 171P/2005 R3 Recovery Date September 7, 2005 Magnitude 17.3 mag, 17.2 mag Recoverer F. Fratev and E. Mihaylova (Zvezdno Obshtestvo Obsevatory), E. J. Christensen (Catalina) Pictures

Orbital Elements Epoch 2005 Aug. 18.0 TT = JDT 2453600.5 T 2005 Sept. 3.21788 TT MPC q 1.7296773 (2000.0) P Q n 0.14885284 Peri. 346.84357 +0.00543246 -0.93067475 a 3.5261271 Node 101.91975 +0.94798994 -0.11163002 e 0.5094683 Incl. 21.95441 +0.31825394 +0.34840099 P 6.62 From 316 observations 1998 Nov. 13-2012 Mar. 13, mean residual 0".7. Nongravitational parameters A1 = +0.11, A2 = -0.1803.

Finding Charts

Magnitudes Graph m1 = 9.5 + 5 log d + 25 log r

The orbital elements are published on M.P.E.C. 2012-F11. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.