(251732) 1998 HG49
| Discovery[1][2] | |
|---|---|
| Discovered by | Spacewatch from Kitt Peak |
| Discovery date | April 27, 1998 |
| Designations | |
| MPC designation | 1998 HG49 |
| Amor[1] | |
| Orbital characteristics[1][3] | |
| Epoch August 27, 2011 (2455800.5) | |
| Aphelion | 1.33588382 AU (Q) |
| Perihelion | 1.0655396 AU (q) |
| 1.20071170 AU (a) | |
| Eccentricity | 0.1125767 |
| 1.31572860 yr (480.569872 d) | |
| 252.35396° (M) | |
| Inclination | 4.19576° |
| 44.85570° | |
| 324.2822° | |
| Physical characteristics | |
| Dimensions | 0.13–0.29 km[2] |
| 21.7[1] or 21.8[2] | |
|
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(251732) 1998 HG49, also written as (251732) 1998 HG49, is an asteroid on a low-eccentricity and low-inclination orbit between the orbits of Earth and Mars. This is within a region of stability where bodies may survive for the age of the Solar System, and hence it may have formed near its current orbit.[4]
It is classified as an Amor asteroid[1] because its perihelion is less than 1.3 AU and does not cross Earth's orbit.
Between 1900 and 2200 its closest approach to Earth is more than 0.14 AU.[5]
See also
References
- 1 2 3 4 5 "JPL Small-Body Database Browser: 251732 (1998 HG49)". 30 November 2010. Retrieved 2011-09-05.
- 1 2 3 NeoDys-2 Retrieved 2011-09-05
- ↑ AstDys-2 Retrieved 2011-09-05
- ↑ Evans, N. W. & Tabachnik, S. (1999). Possible long-lived asteroid belts in the inner Solar System. Nature.
- ↑ JPL close-approach data Retrieved 2011-09-05
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