C/2018 EF9 (Lemmon)
Last updated 2018 June 27
Discovery CBETs CBET 4511
+ Orbit O-C
C/2018 EF9 (Lemmon)
From 150 observations 2018 Mar. 9-May 21, mean residual 0".61.
Epoch = 2018 June 11.0 TT JDT = 2458280.5
T = 2018 May 23.1227525519 TT +/- 0.0072666203 0.0000000122
Peri. = 72.6130648964 +/- 0.0047213844 0.0000000079
Node = 172.5789839687 (2000.0) +/- 0.0011190308 -0.0000000019
Incl. = 84.6964937835 +/- 0.0021586796 -0.0000000036
q = 1.5567005677 AU +/- 0.0000688184 -0.0000000001
e = 0.9977290238 +/- 0.0001507582 -0.0000000002
1/a = +0.0014588394 +/- 0.0000968448
P = (17947 years)
orgi. = +0.002273 Q = 5
fut. = +0.002319
[Non short periodic comets index]
[Main index]
