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Comet

Elenin

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C/2010 X1 (Elenin)

Orbital elements

Semi-major axis
-7,173.388 AU
Eccentricity
1.0001
Inclination
1.84°
Perihelion
0.482 AU
Longitude of ascending node
323.24°
Argument of periapsis
343.8°
Epoch · J2000
JD 2455815.21975 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 11.9 LD
0.0306 AU
Tisserand (Jupiter)
0.861

Orbit quality

Observations used
2,235
Data arc
271 days
First observed
10 December 2010
Last observed
7 September 2011
Residual RMS
0.59 ″
Solution · Otto Matic
15 April 2021

Visual & observation

Absolute magnitude (H)
12.6
Total magnitude M₁ · K₁ 6.3
12.6

Discovery & classification

Also known as 2010 X1

Named

Sources