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2021 Poincaré

(2021) 1936 MA

Asteroid.

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Wikipedia | 2021 Poincaré

Statements about 2021 Poincaré

Named After

Henri Poincaré

Discoverer or Inventor

Follows

Ukko

Followed By

Instance Of

Asteroid

Orbital Eccentricity

0.22
0.219
0.219
Epoch
:
November 21, 2025

Parent Astronomical Body

Sun

Orbital Inclination

5.49 degree
5.493 degree
Epoch
:
November 21, 2025

Periapsis

1.803 astronomical unit
1.806 astronomical unit
Epoch
:
November 21, 2025

Apoapsis

2.815 astronomical unit
2.817 astronomical unit
Epoch
:
November 21, 2025

Semi-Major Axis of an Orbit

2.309 astronomical unit
2.311 astronomical unit
Epoch
:
November 21, 2025

Orbital Period

3.51 year
1,283.373 day
Epoch
:
November 21, 2025

Mean Anomaly

186.593 degree
140.194 degree
Epoch
:
November 21, 2025

Longitude of Ascending Node

154.991 degree
154.901 degree
Epoch
:
November 21, 2025

Argument of Periapsis

164.38 degree
164.653 degree
Epoch
:
November 21, 2025

Significant Event

Naming

Albedo

0.365
Criterion Used
:
Geometric Albedo

Diameter

5.043 kilometre

Rotation Period

4.406 hour

Time of Periapsis

2,460,500.719 Julian day
Epoch
:
November 21, 2025

Epoch

November 21, 2025
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Louis Boyer
West