 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 | |
| MPC designation | 2014 SR349 |
| Minor planet category | |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 5 | |
| Observation arc | 738 days (2.02 yr) |
| Aphelion |
|
| Perihelion | 47.57 AU |
| Semi-major axis |
|
| Eccentricity | 0.8369 |
| Orbital period (sidereal) |
|
| Mean anomaly | 357.3° |
| Mean motion | 0.00019622°/day |
| Inclination | 17.98° |
| Longitude of ascending node | 34.75° |
| Argument of perihelion | 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. It currently has a magnitude of 24.12.
References
- ^ Horizons output. "Barycentric Osculating Orbital Elements for 2014 SR349". Retrieved 8 February 2017. (Ephemeris Type:Elements and Center:@0)
- "Hunt for Planet 9 reveals extremely distant solar system objects". Astronomy Now. 29 August 2016. Retrieved 16 October 2016.
- "Asteroid 2014 SR349". Theskylive. Retrieved 16 October 2016.
External links
- 2014 SR349 at NeoDyS-2, Near Earth Objects—Dynamic Site
- 2014 SR349 at ESA–space situational awareness
- 2014 SR349 at the JPL Small-Body Database
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