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(101) Helena - Ontify
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(101) Helena
(101) Helena
Main-belt asteroid.
Wikipedia | 101 Helena
Statements about
Unnamed Entity
Discoverer or Inventor
James Craig Watson
Follows
100 Hekate
Followed By
102 Miriam
Named After
Helen of Troy
Instance Of
Asteroid
Orbital Inclination
10.2 degree
10.192 degree
Albedo
0.19
0.19
Significant Event
Naming
Mass
Astronomic Symbol Image
Parent Astronomical Body
Diameter
Rotation Period
Orbital Eccentricity
Semi-Major Axis of an Orbit
Periapsis
Apoapsis
Longitude of Ascending Node
Argument of Periapsis
Mean Anomaly
Time of Periapsis
Orbital Period
Epoch
300 petagram
Sun
65.84 kilometre
23.08 hour
0.141
Epoch
:
November 21, 2025
2.584 astronomical unit
Epoch
:
November 21, 2025
2.221 astronomical unit
Epoch
:
November 21, 2025
2.947 astronomical unit
Epoch
:
November 21, 2025
343.358 degree
Epoch
:
November 21, 2025
347.757 degree
Epoch
:
November 21, 2025
323.652 degree
Epoch
:
November 21, 2025
2,461,153.653 Julian day
Epoch
:
November 21, 2025
1,516.882 day
Epoch
:
November 21, 2025
November 21, 2025
Epoch
:
November 21, 2025
Criterion Used
:
Geometric Albedo
Criterion Used
:
Geometric Albedo
Wikidata