C/2007 Y4 ( SOHO )

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Profile Designation C/2007 Y4 Discovery Date December 21, 2007 Magnitude Discoverer R. Kracht

Orbital Elements Epoch 2007 Dec. 6.0 TT = JDT 2454440.5 T 2007 Dec. 22.15262 TT MPC q 0.0501562 (2000.0) P Q n 0.18587333 Peri. 22.46461 -0.20384966 -0.85678516 a 3.0408243 Node 82.00956 +0.80972338 -0.41950024 e 0.9835057 Incl. 28.57542 +0.55026663 +0.29989788 P 5.30

Magnitudes Graph m1 = 21.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2008-B49. The magnitudes graphs are made with Comet for Windows.