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3 Juno

Juno

Large asteroid in the asteroid belt, the third asteroid discovered, in 1804, by German astronomer Karl Harding.

Wikipedia | 3 Juno

Statements about 3 Juno

Discoverer or Inventor

Karl Ludwig Harding

Follows

Followed By

Named After

Image

Astronomic Symbol Image

Unicode Character

⚵

Instance Of

Orbital Inclination

12.982 degree

12.986 degree

:

November 21, 2025

Commons Gallery

(3) Juno

Density

2.98 gram per cubic centimetre

Rotation Period

7.21 hour

Diameter

233.92 kilometre

246.596 kilometre

Mass

28,200,000,000,000,000,000 kilogram

Albedo

0.238

:

Geometric Albedo

0.214

:

Geometric Albedo

Significant Event

Video

0:00 / 0:00

Parent Astronomical Body

Described by Source

Great Soviet Encyclopedia (1926–1947)

Statement Is Subject Of

:

Explanatory Dictionary of the Living Great Russian Language

Statement Is Subject Of

:

Small Soviet Encyclopedia

Statement Is Subject Of

:

Orbital Eccentricity

0.256

:

November 21, 2025

Semi-Major Axis of an Orbit

2.671 astronomical unit

:

November 21, 2025

Periapsis

1.988 astronomical unit

:

November 21, 2025

Apoapsis

3.354 astronomical unit

:

November 21, 2025

Longitude of Ascending Node

169.82 degree

:

November 21, 2025

Argument of Periapsis

247.884 degree

:

November 21, 2025

Mean Anomaly

217.591 degree

:

November 21, 2025

Time of Periapsis

2,461,631.188 Julian day

:

November 21, 2025

Orbital Period

1,594.336 day

:

November 21, 2025

Epoch

November 21, 2025

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External Pages About 3 Juno

Encyclopædia Britannica Online

Bing Entity