|Discovered by||David Rabinowitz|
|Discovery date||1 May 1992|
|Orbital characteristics A|
|Perihelion||3.007 AU (q)|
|Orbital period||~78,000 years (Barycentric epoch 2020)|
|Last perihelion||6 September 1993|
Using a generic heliocentric (two-body) solution calculated near the time of perihelion (closest approach to the Sun), it is estimated to have an aphelion (Q) (furthest distance from the Sun) of 154,202 AU (more than 2 Light-years). But the orbit of a long-period comet is properly obtained when the osculating orbit is computed at an epoch after leaving the planetary region and is calculated with respect to the center of mass of the solar system. After leaving the planetary region of the Solar System, the post-perihelion orbital period is estimated to be about 78,000 years with aphelion around 3,650 AU.
Comet Lulin (C/2007 N3) another comet with a near parabolic orbit
- "Spacewatch Outer Solar System Discoveries". Lunar and Planetary Laboratory, University of Arizona. Retrieved 2009-04-15.
- Nakano, Syuichi (1995-06-04). "C/1992 J1 (Spacewatch)". OAA computing section circular, NK 1490. Retrieved 2009-04-15.
- Horizons output. "Barycentric Osculating Orbital Elements for Comet C/1992 J1 (Spacewatch)". Retrieved 2012-10-07. (Solution using the Solar System Barycenter and barycentric coordinates. Select Ephemeris Type:Elements and Center:@0)
- "JPL Small-Body Database Browser: C/1992 J1 (Spacewatch)". Jet Propulsion Laboratory. 1995-02-02 last obs. Retrieved 2010-01-31.