Astronomy:2014 OE394

From HandWiki
2014 OE394
Discovery
Discovered byPan-STARRS (F51)
Discovery siteF51, Haleakala Observatory
Discovery date28 July 2014
Designations
Minor planet categoryClassical Kuiper belt object[1][2]
Orbital characteristics[3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 2
Observation arc1452 days (5 oppositions)
|{{{apsis}}}|helion}}51.976 AU
|{{{apsis}}}|helion}}40.805 ± 0.002 AU
46.391 AU
Eccentricity0.12040 ± 0.00005
Orbital period316 years
Mean anomaly70.25469°
Inclination3.93206 ± 0.00008°
Longitude of ascending node308.87986 ± 0.0004°
259.35897 ± 0.008°
Physical characteristics
Dimensions280-540 km[3]
240-730 km[4]


2014 OE394 is a large cubewano in the Kuiper belt that was discovered in July 2014 by the Pan-STARRS-1 telescope, and announced on 17 July 2016.[5] It is one of the brighter trans-Neptunian objects, being the 34th brightest cubewano as of 23 July 2016. Its exact size is unknown, but is most likely between 240 and 730 kilometers across.[4] Mike Brown's website lists it as a "possible" dwarf planet, with an estimated diameter of 337 kilometers.[2]

2014 OE394 is also somewhat close to the New Horizons probe, about 8.7 AU away on 1 January 2017, and 7.5 AU on 1 January 2019. Considering its large size, it would make a possible imaging target, as 15810 Arawn was in early 2016. However, as 2014 OE394 is currently over 10 times further than the other was, it would have much lower-precision data.

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