1075 Helina

1075 Helina
Discovery
Discovered by	Grigory Nikolaevich Neujmin
Discovery date	29 September 1926
Designations
Alternative names	1926 SC
Orbital characteristics^[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	39885 days (109.20 yr)
Aphelion	3.35437 AU (501.807 Gm)
Perihelion	2.6703098 AU (399.47266 Gm)
Semi-major axis	3.012342 AU (450.6399 Gm)
Eccentricity	0.1135436
Orbital period	5.23 yr (1909.7 d)
Mean anomaly	43.252390°
Mean motion	0.18851575°/day
Inclination	11.5219694°
Longitude of ascending node	100.815904°
Argument of perihelion	250.7734256°
Earth MOID	1.68899 AU (252.669 Gm)
Jupiter MOID	2.06977 AU (309.633 Gm)
Physical characteristics
Dimensions	40 km
Mean radius	17.76 ± 0.75 km
Rotation period	44.9 h (1.87 d)
Geometric albedo	0.1220 ± 0.011
Absolute magnitude (H)	10.15

1075 Helina is a minor planet orbiting the Sun. Initially it received the designation 1926 SC. It is a member of the Eos family

References

Minor planets navigator

1074 Beljawskya 1075 Helina 1076 Viola

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