File:UltimaThule_CA06_color_vertical.png · Wikimedia Commons · See Wikimedia Commons
486958 Arrokoth
Sign in to saveAlso known as 1110113Y, PT1, Ultima Thule, (486958) 2014 MU69, 2014 MU69, Arrokoth, CCKBO Arrokoth
classical trans-Neptunian object
Arrokoth is a distant, icy world located beyond Neptune's orbit in a region of space called the Kuiper Belt. Scientists study objects like Arrokoth to better understand how the solar system formed and what the early solar system was like.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Instance of
- trans-Neptunian object
- Official name
- Arrokoth
- Parent body
- Sun
- Minor-planet group
- trans-Neptunian object
- Distance from Earth
- 6500000000
- Diameter
- 33.54
- Orbital period
- 106946.6462228789
- Image
- UltimaThule CA06 color 20190516.png
- Significant event
- perihelion
Show 24 more facts
- Commons category
- 486958 Arrokoth
- discoverer or inventor
- Marc Buie
- time of discovery or invention
- 2014-06-26
- provisional designation
- 2014 MU69
- site of astronomical discovery
- Hubble Space Telescope
- orbital eccentricity
- 0.03724573377361805
- semi-major axis of an orbit
- 44.09396591384365
- periapsis
- 42.45165379839364
- apoapsis
- 45.73627802929366
- orbital inclination
- 2.448440635041421
- longitude of ascending node
- 159.0868968517942
- argument of periapsis
- 189.1596781960182
- mean anomaly
- 309.4440558913697
- periapsis date (DEPRECATED)
- 2064-02-08
- absolute magnitude
- 11.06
- apparent magnitude
- 25.24
- catalog code
- PT1
- albedo
- 0.057
- rotation period
- 15.918
- color index
- 0.95
- epoch
- May 5, 2025
- time of periapsis
- 2475819.357414026
- right ascension
- 317.5
- declination
- -24.89
Sources (12)
via Wikidata · CC0
~39 min read
Encyclopedic overview
Spectral type V−I = 1.35 G−I = 1.42±0.14 G−R = 0.95±0.14
Apparent magnitude 26.6 Absolute magnitude (H) 10.4 (V-band) 11.1
Excerpted from Wikipedia’s “486958 Arrokoth” article, available under the CC BY-SA 4.0 licence.