149P/Mueller 4 (2001)

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Updated on September 29, 2004

Profile Designation 149P/2000 Y10 Recovery Date December 22, 2000 Magnitude 20.5 mag Discoverer T. Oribe (Saji Observatory)

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 57 observations 1992 Apr. 9 to 2001 Mar. 25, perturbations by 9 Plantes, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.78 arc seconds. Epoch = 2001 Feb. 20.0 TT JDT = 2451960.5 T = 2001 Feb. 7.82229 +/- 0.01064 (m.e.) TT Peri. = 43.59960 +/- 0.00297 Node = 145.36886 +/- 0.00027 (2000.0) Incl. = 29.74897 +/- 0.00012 q = 2.6466976 +/- 0.0000106 AU e = 0.3885979 +/- 0.0000025 a = 4.3288983 +/- 0.0000057 AU n = 0.10943040 +/- 0.00000022 P = 9.007 +/- 0.0000177 years

Finding Charts

Magnitudes Graph m1 = -2.3 + 5 log d + 44 log r(t - 150) * Gray curve is: m1 = 14.0 + 5 log d + 10.0 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.