50000 Quaoar facts for kids
Sum of 16 Hubble exposures registered on Quaoar.
|
|
| Discovery | |
|---|---|
| Discovered by | Chad Trujillo, Michael Brown |
| Discovery date | 2002 Jun 05 10:48:08 PDT on an image taken 2002 June 04 05:41:40 UT |
| Designations | |
| 2002 LM60 | |
| Cubewano | |
| Orbital characteristics | |
| Epoch May 18, 2008 (JD 2 454 600.5) | |
| Aphelion | 6.716 275 Tm (45.286 AU) |
| Perihelion | 6.270 316 Tm (41.928 AU) |
| 6.493 296 Tm (43.607 AU) | |
| Eccentricity | 0.038 4 |
| 105 181.6 d (287.97 a) | |
|
Average orbital speed
|
4.52 km/s |
| 284.861° | |
| Inclination | 7.988° |
| 188.893° | |
| 148.508° | |
| Physical characteristics | |
| Dimensions | 1260 ± 190 km (direct) 844+207−190 km (thermal) |
| Mass | (1.0–2.6)×1021 kg |
|
Mean density
|
2.0? g/cm³ |
|
Equatorial surface gravity
|
0.276–0.376 m/s² |
|
Equatorial escape velocity
|
0.523–0.712 km/s |
| 0.088 +0.021−0.012 0.198 6 +0.13−0.07 |
|
| Temperature | ~43 K |
| (moderately red) B-V=0.94, V-R=0.65 | |
| 2.6 | |
50000 Quaoar is a Trans-Neptunian object and is also a dwarf planet. It was discovered on June 4, 2002 by Chad Trujillo and Michael Brown at the California Institute of Technology.
| The Solar System | |||||||
|---|---|---|---|---|---|---|---|
 |
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| Sun • Heliosphere |
Planets ☾ = moon(s) ∅ = rings |
Mercury | Venus | Earth ☾ | Mars ☾ | ||
| Jupiter ☾ ∅ | Saturn ☾ ∅ | Uranus ☾ ∅ | Neptune ☾ ∅ | ||||
| Dwarf planets | Ceres | Pluto ☾ | Haumea ☾ | Makemake | |||
| Eris ☾ | |||||||
| Small Solar System bodies |
Asteroids (minor planets) |
Groups and families: Vulcanoids · Near-Earth asteroids · Asteroid belt Jupiter Trojans · Centaurs · Neptune Trojans · Asteroid moons · Meteoroids · Pallas · Juno · Vesta · Hygiea · Interamnia · Europa |
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| See also the list of asteroids. | |||||||
| Trans- Neptunians |
Kuiper belt – Plutinos: Orcus · Ixion – Cubewanos: Varuna · Quaoar · Huya |
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| Scattered disc: Sedna | |||||||
| Comets | Periodic comets and non-periodic comets Damocloids · Oort cloud |
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| See also the list of solar system objects | |||||||
Images for kids
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Quaoar was discovered using the Samuel Oschin telescope at Palomar Observatory
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Animation of three discovery images taken over a period of 4.5 hours, showing the slow movement of Quaoar (indicated by the arrow)
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Polar view of Quaoar's orbit (yellow) along with various other large Kuiper belt objects
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Artist's impression of Quaoar's moderately red surface along with its moon Weywot
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Hubble photo used to measure size of Quaoar
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Quaoar from New Horizons viewed at a distance of 14 AU
.jpg)
See also
In Spanish: (50000) Quaoar para niños
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50000 Quaoar Facts for Kids. Kiddle Encyclopedia.