Astronomy:2014 SR349
From HandWiki
 The orbits of 2014 SR349 (yellow) and other detached objects, along with the hypothetical Planet Nine's orbit on the right. | |
| Discovery | |
|---|---|
| Discovered by | Scott Sheppard and Chad Trujillo |
| Discovery date | 19 September 2014 |
| Designations | |
| 2014 SR349 | |
| Minor planet category |
|
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 5 | |
| Observation arc | 738 days (2.02 yr) |
| |{{{apsis}}}|helion}} |
|
| |{{{apsis}}}|helion}} | 47.57 AU |
| |
| Eccentricity | 0.8369 |
| Orbital period |
|
| Mean anomaly | 357.3° |
| Mean motion | 0.00019622°/day |
| Inclination | 17.98° |
| Longitude of ascending node | 34.75° |
| 341.35° | |
| Physical characteristics | |
| Dimensions | ~200 km |
| Absolute magnitude (H) | 6.6 |
2014 SR349 is a trans-Neptunian object and scattered disc object in the outermost part of the Solar System. It was first observed on 19 September 2014 by astronomers Scott Sheppard and Chad Trujillo at Cerro Tololo Observatory, Chile, and revealed on 29 August 2016.[2] It currently has a magnitude of 24.12.[3]
References
- ↑ 1.0 1.1 1.2 Horizons output. "Barycentric Osculating Orbital Elements for 2014 SR349". http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2014SR349. Retrieved 2017-02-08. (Ephemeris Type:Elements and Center:@0)
- ↑ "Hunt for Planet 9 reveals extremely distant solar system objects". Astronomy Now. August 29, 2016. https://astronomynow.com/2016/08/30/hunt-for-planet-9-reveals-extremely-distant-solar-system-objects/. Retrieved October 16, 2016.
- ↑ "Asteroid 2014 SR349". Theskylive. http://theskylive.com/2014sr349-info. Retrieved October 16, 2016.
External links
- 2014 SR349 at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- 2014 SR349 at ESA–space situational awareness
- 2014 SR349 at the JPL Small-Body Database
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