152P/Helin–Lawrence
Discovery | |
---|---|
Discovered by | Eleanor F. Helin Kenneth J. Lawrence |
Discovery date | May 17, 1993 |
Alternative designations | 1993 XI; 2001 Y1 |
Orbital characteristics A | |
Epoch | March 6, 2006 |
Aphelion | 5.884 AU |
Perihelion | 3.108 AU |
Semi-major axis | 4.496 AU |
Eccentricity | 0.3087 |
Orbital period | 9.534 a |
Inclination | 9.8707° |
Last perihelion | July 9, 2012[1] December 22, 2002 |
Next perihelion | January 13, 2022[1][2] |
152P/Helin–Lawrence is a periodic comet in the Solar System.
The comet came to perihelion on 9 July 2012,[1] and reached about apparent magnitude 17.[3]
References[]
- ^ a b c Syuichi Nakano (2011-02-06). "152P/Helin-Lawrence (NK 2031)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-25.
- ^ "152P/Helin-Lawrence Orbit". Minor Planet Center. Retrieved 2014-06-18.
- ^ Seiichi Yoshida (2011-09-03). "152P/Helin-Lawrence (2012)". Seiichi Yoshida's Comet Catalog. Retrieved 2012-02-25.
External links[]
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 152P/Helin-Lawrence – Seiichi Yoshida @ aerith.net
- Elements and Ephemeris for 152P/Helin-Lawrence – Minor Planet Center
- 152P at Kronk's Cometography
Categories:
- Cometary object articles
- Periodic comets
- Numbered comets
- Discoveries by Eleanor F. Helin
- Astronomical objects discovered in 1993
- Comet stubs