C/1995 Q2 ( Hartley-Drinkwater )

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Updated on August 14, 1996

Profile Discovery Date August 29, 1995 Magnitude 14 mag Discoverer Malcolm Hartley (Siding Spring), Michael J. Drinkwater (Siding Spring)

Orbital Elements by Kenji Muraoka, from 109 observations 1995 Aug. 29 to 1995 Oct. 13, mean residual is +/- 0.77 arc seconds. Epoch = 1995 July 22.0 TT JDT = 2449920.5 T = 1995 Aug. 2.72566 +/- 0.01173 (m.e.) TT Peri. = 313.99916 +/- 0.00506 Node = 300.75061 +/- 0.00354 (2000.0) Incl. = 168.00750 +/- 0.00165 q = 1.8891437 +/- 0.0000941 AU e = 0.9665260 +/- 0.0009516 1/a = +0.0177192 +/- 0.0005037 1/AU

Finding Charts 1995 June 2 - 1995 Nov. 29

Magnitudes Graph m1 = 11.0 + 5 log d + 15.0 log r

The orbital elements are calculated by Kenji Muraoka. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.