Astronomy:(415713) 1998 XX2
From HandWiki
Short description: Sub-kilometer asteroid
| Discovery[1] | |
|---|---|
| Discovered by | LINEAR |
| Discovery site | Lincoln Lab's ETS |
| Discovery date | 8 December 1998 |
| Designations | |
| 1998 XX2 | |
| MPO 251988, MPO 315368 | |
| Minor planet category | NEO · Aten · PHA |
| Orbital characteristics[2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 5832 days (15.97 yr) |
| |{{{apsis}}}|helion}} | 1.013611188 astronomical unit|AU (151.6340754 Gm) |
| |{{{apsis}}}|helion}} | 0.46896072 AU (70.155525 Gm) |
| 0.741285953 AU (110.8948001 Gm) | |
| Eccentricity | 0.3673687 |
| Orbital period | 0.64 yr (233.1 d) |
| Average Orbital speed | 33.3946406 km/s |
| Mean anomaly | 151.54037° |
| Mean motion | 1.5442778°/day |
| Inclination | 6.9722566° |
| Longitude of ascending node | 74.444600° |
| 153.00166° | |
| Earth MOID | 0.0161402 AU (2.41454 Gm) |
| TJupiter | 7.716 |
| Physical characteristics | |
| Mean diameter | 270–590 m[3] |
| Absolute magnitude (H) | 19.9[2] |
(415713) 1998 XX2 is a sub-kilometer asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Aten group. It was discovered 8 December 1998, by the Lincoln Near-Earth Asteroid Research at Lincoln Laboratory's Experimental Test Site, and was found to have frequent approaches to the Earth, Venus, and Mercury.
Orbit
The Jupiter Tisserand invariant, used to distinguish different kinds of orbits, is 7.7.[2]
References
- ↑ "(415713) = 1998 XX2". Minor Planet Center. 2014-11-26. https://www.minorplanetcenter.net/db_search/show_object?utf8=%E2%9C%93&object_id=415713.
- ↑ 2.0 2.1 2.2 "JPL Small-Body Database Browser: 415713 (1998 XX2)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=415713. Retrieved 8 April 2016.
- ↑ "ABSOLUTE MAGNITUDE (H)". NASA. http://neo.jpl.nasa.gov/glossary/h.html.
External links
- (415713) 1998 XX2 at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- (415713) 1998 XX2 at ESA–space situational awareness
- (415713) 1998 XX2 at the JPL Small-Body Database
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