C/2015 XY1 (Lemmon)
Last updated 2019 Dec. 26
+ Orbit O-C
C/2015 XY1 (Lemmon)
From 656 observations 2015 Dec. 4-2019 Nov. 29, mean residual 0".57.
Epoch = 2018 May 2.0 TT JDT = 2458240.5
T = 2018 Apr. 29.9133423164 TT +/- 0.0013241531 -0.0000000002
Peri. = 196.3516312672 +/- 0.0000773800 -0.0000000000
Node = 281.6165367213 (2000.0) +/- 0.0000124088 0.0000000000
Incl. = 148.8478361838 +/- 0.0000149734 -0.0000000000
q = 7.9279671942 AU +/- 0.0000087189 0.0000000000
e = 1.0041310247 +/- 0.0000072691 0.0000000000
1/a = -0.0005210698 +/- 0.0000009176
orgi. = +0.000020 Q = 8
fut. = -0.000005
[Non short periodic comets index]
[Main index]