Where is it now
- Distance from Sun
- 2.443 AU
- True anomaly
- 107.45°
- Distance from Earth
- 2.323 AU
- As of
- 11 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.
In the sky
- Right ascension
- 07h 47m 29s
- Declination
- +27° 19′ 08″
- Constellation
- Gemini
- Distance from Earth
- 2.32 AU
- Elongation from the Sun
- 85.04° — 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.
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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
- 2.387 AU
- Eccentricity
- 0.1484
- Inclination
- 6.18°
- Orbital period
- 3.69 years
- Perihelion
- 2.033 AU
- Aphelion
- 2.741 AU
- Longitude of ascending node
- 338.48°
- Argument of periapsis
- 3.53°
- Epoch · J2000
- 2461200.5
- Orbit class · MBA
- Main-belt asteroid
- Earth MOID · 398.2 LD
- 1.0232 AU
- Tisserand (Jupiter)
- 3.512
Orbit quality
Orbit very well determined (uncertainty code 0).
- Observations used
- 8,312
- Data arc
- 75.76 years
- First observed
- 17 April 1950
- Last observed
- 20 January 2026
- Residual RMS
- 0.36 ″
- Solution · Otto Matic
- 8 August 2026
Physical properties
- Mean radius
- 2.60 km
- Rotation period
- 8.21 hours
Visual & observation
- Geometric albedo
- 0.463
- Absolute magnitude (H)
- 13.39
Discovery & classification
- Discovered by
- Smirnova, T. M.
- Discovery date
- 30 August 1970
- Discovery site
- Nauchnyj
Also known as 2011 · 1970 QB1 · 1955 RE · 1955 SN1 · 1959 UA
Sources
- visual properties: JPL SBDB (lookup)
- physical properties: JPL SBDB (lookup)
- physical properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB