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103 Hera
(103) Hera
Main-belt asteroid.
Wikipedia | 103 Hera
Statements about
103 Hera
Discoverer or Inventor
James Craig Watson
Follows
102 Miriam
Followed By
Named After
Hera
Instance Of
Asteroid
Orbital Inclination
5.421 degree
5.426 degree
Epoch
:
November 21, 2025
Albedo
0.183
Criterion Used
:
Geometric Albedo
0.217
Criterion Used
:
Geometric Albedo
Significant Event
Naming
Temperature
169 kelvin
Sourcing Circumstances
:
Mean
Rotation Period
23.74 hour
Diameter
83.908 kilometre
Surface Gravity
0.026 centimetre per square second
Mass
790,000,000,000,000,000 kilogram
Astronomic Symbol Image
Parent Astronomical Body
Sun
Orbital Eccentricity
0.081
Epoch
:
November 21, 2025
Semi-Major Axis of an Orbit
2.703 astronomical unit
Epoch
:
November 21, 2025
Periapsis
2.484 astronomical unit
Epoch
:
November 21, 2025
Apoapsis
2.922 astronomical unit
Epoch
:
November 21, 2025
Longitude of Ascending Node
135.951 degree
Epoch
:
November 21, 2025
Argument of Periapsis
190.394 degree
Epoch
:
November 21, 2025
Mean Anomaly
165.599 degree
Epoch
:
November 21, 2025
Time of Periapsis
2,460,253.935 Julian day
Epoch
:
November 21, 2025
Orbital Period
1,622.98 day
Epoch
:
November 21, 2025
Epoch
November 21, 2025
104 Klymene
Wikidata