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Asteroid

Beatrix

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83 Beatrix (A865 HA)

Where is it now

Distance from Sun
2.595 AU
True anomaly
213.31°
Distance from Earth
1.718 AU
As of
21 October 2026

Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.

Orbit of Mercury Orbit of Venus Orbit of Mars Sun Earth — 0.995 AU from the Sun Earth Beatrix — 2.595 AU from the Sun Beatrix
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. Beatrix is 1.718 AU from Earth today (14.3 light-minutes).

In the sky

Right ascension
04h 03m 10s
Declination
+23° 45′ 38″
Constellation
Taurus
Distance from Earth
1.71 AU
Elongation from the Sun
145.42° — well clear of the Sun

Favours the northern hemisphere; low or below the horizon from far south.

From your location

See how high it is right now, whether it is up after civil twilight, and when it rises and sets where you are.

How do I find my coordinates?

Google Maps on a computer

  1. Right-click the spot where you'll be observing.
  2. The first line of the menu is the coordinates, e.g. 51.50722, -0.12758 — click it and they're copied.
  3. Paste them above.

Google Maps on a phone

  1. Press and hold the spot to drop a pin.
  2. The coordinates appear in the search bar (or on the pin's card) — tap to copy, then paste above.

A full Google Maps link works too, but the short maps.app.goo.gl share links don't carry coordinates — copy the numbers instead. We round to about a kilometre; that's all the sky calculation needs.

Know your what3words address? Paste it, e.g. ///filled.count.soap. This is optional — the three words are sent to what3words to convert them, and we don't store the address or the result.

Your location stays in your browser and is sent only for this calculation. Using a what3words address is optional; if you do, the three words go to what3words to be converted and we don't record them. Set a location first, then you can save an email alert for this object. See our privacy policy.

Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.

Orbital elements

Semi-major axis
2.431 AU
Eccentricity
0.0832
Inclination
4.97°
Orbital period
3.79 years
Perihelion
2.229 AU
Aphelion
2.634 AU
Longitude of ascending node
27.65°
Argument of periapsis
169.86°
Epoch · J2000
2461200.5
Orbit class · MBA
Main-belt asteroid
Earth MOID · 477.6 LD
1.2273 AU
Tisserand (Jupiter)
3.497

Orbit quality

Orbit very well determined (uncertainty code 0).

Observations used
6,516
Data arc
160.6 years
First observed
13 May 1865
Last observed
21 December 2025
Residual RMS
0.33 ″
Solution · Otto Matic
11 March 2026

Physical properties

Mean radius
55 km
Rotation period
10.11 hours

Visual & observation

Geometric albedo
0.05
Absolute magnitude (H)
8.73
Colour index (B–V)
0.7
Spectral type (SMASS)
X
Spectral type (Tholen)
X
Colour index (U–B)
0.27

Discovery & classification

Discovered by
de Gasparis, A.
Discovery date
26 April 1865
Discovery site
Naples

Also known as 83 · A865 HA · 1950 QV

Main-Belt Asteroid Named

Sources