Discovery | |
---|---|
Discovered by | Cristóvão Jacques Eduardo Pimentel João Ribeiro de Barros Marcelo Dias |
Discovery date | 13 March 2014 |
Orbital characteristics[2] | |
Epoch | 2014 May 23.0 TT (JD 2456800.5) |
Aphelion | ~1600 AU (epoch 1950)[1] |
Perihelion | 0.6638 AU (q) |
Eccentricity | 0.99912 (e) |
Orbital period | ~22,000 years inbound (Barycentric solution for epoch 1950)[1] ~12,000 years outbound (Barycentric solution for epoch 2050)[1] |
Avg. orbital speed | 27 km/s |
Max. orbital speed | 51.7 km/s |
Inclination | 156.4° (i) |
Last perihelion | 2014 July 2 |
C/2014 E2 (Jacques), provisionally designated as S002692,[3] is a long-period comet discovered by the Brazilian astronomers Cristóvão Jacques Lage de Faria, Eduardo Pimentel, João Ribeiro de Barros and Marcelo Dias on the night of 13 March 2014.[4] It was the second comet discovered by the SONEAR Observatory team after comet C/2014 A4.
barycenter
was invoked but never defined (see the help page).