(76146) 2000 EU16 - Asteroid - astro.wikisort.org

astro.wikisort.org - Asteroid

(76146) 2000 EU₁₆ is a small asteroid discovered on 3 March 2000, and the only known quasi-satellite of the dwarf planet asteroid 1 Ceres. From the perspective of Ceres, its orbit traces an analemma.[3]

(76146) 2000 EU₁₆
Discovery[1]
Discovered by	LINEAR
Discovery site	Lincoln Lab ETS
Discovery date	3 March 2000
Designations
MPC designation	(76146) 2000 EU₁₆
Alternative designations	2002 TO₂₈₈
Minor planet category	main-belt · (middle)
Orbital characteristics[2]
Epoch 21 January 2022 (JD 2459600.5)
Uncertainty parameter 0
Observation arc	22.85 yr (8,345 days)
Aphelion	2.5806 AU
Perihelion	2.306 AU
Semi-major axis	2.766 AU
Eccentricity	0.1665
Orbital period (sidereal)	4.60 yr (1,680 days)
Mean anomaly	130.990°
Mean motion	0° 12^m 51.133^s / day
Inclination	8.850°
Longitude of ascending node	334.258°
Argument of perihelion	347.850°
Physical characteristics[2]
Mean diameter	3.493±1.139 km
Geometric albedo	0.252±0.112
Absolute magnitude (H)	14.38[2][1]

References

"(76146) = 2000 EU16 = 2002 TO288". Minor Planet Center. International Astronomical Union. Retrieved 13 December 2021.
"JPL Small-Body Database Browser: 76146 (2000 EU16)" (2021-10-22 last obs.). Jet Propulsion Laboratory. Retrieved 13 December 2021.
The analemma criterion: accidental quasi-satellites are indeed true quasi-satellites C. de la Fuente Marcos & R. de la Fuente Marcos, Monthly Notices of the Royal Astronomical Society, Volume 462, Issue 3, 01 November 2016, Pages 3344–3349

External links

(76146) 2000 EU16 at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

v t e Minor planets navigator
(76146) 2000 EU16

Ceres

Geography

General	Geology of Ceres
Craters	Achita Annona Asari Coniraya Dantu Darzamat Ezinu Fejokoo Hamori Haulani Kerwan Mondamin Nawish Occator Oxo Urvara Yalode Zadeni
Montes	Ahuna Mons
Other features	Bright spots

Astronomy

Classification	Asteroid Definition of planet Dwarf planet Planet 2006 definition of planet
Discovery	Barnaba Oriani Carl Friedrich Gauss Francis Wollaston Franz Xaver von Zach Giuseppe Piazzi Heinrich Olbers Jérôme Lalande Johann Elert Bode Tobias Mayer
Possible trojans and co-orbitals	(185105) 2006 SV23 1372 Haremari (76146) 2000 EU16

Exploration

Dawn mission
Ceres Polar Lander (proposed)
Calathus Mission (proposed)

Ceres in fiction
Colonization
In astrology
Solar System bodies formerly considered to be planets

Small Solar System bodies

Minor planets

Designation Groups List Moon Meanings of names
Asteroid	Active Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Cis-Neptunian object Centaur Neptune trojan Damocloid Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Comets

Extinct
Great
Halley-type
Hyperbolic
Long-period
Lost
Near-parabolic
Periodic
Sungrazing

Other

Cosmic dust
Meteoroids
Space debris

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