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Comet

Toba

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C/1971 E1 (Toba)

Orbital elements

Semi-major axis
-1,261.661 AU
Eccentricity
1.001
Inclination
109.68°
Perihelion
1.233 AU
Longitude of ascending node
104.08°
Argument of periapsis
152.36°
Epoch · J2000
JD 2441058.74924 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 109.5 LD
0.2814 AU

Orbit quality

Observations used
137
Data arc
184 days
First observed
9 March 1971
Last observed
9 September 1971
Residual RMS
0.75 ″
Solution · Otto Matic
15 April 2021

Visual & observation

Absolute magnitude (H)
4.9
Total magnitude M₁ · K₁ 24.8
4.9

Discovery & classification

Also known as 1971 E1

Named

Sources