(4877) Humboldt Main-belt Asteroid

Discovered on 25 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Where Humboldt is today

MercuryVenusEarthEarthMarsMarsHumboldtHumboldt

Seen from above the solar system on 2026-10-14: Humboldt is 2.73 au from the Sun and 3.69 au from Earth. Computed from JPL's orbital elements.

Facts

Number4877
Provisional designation5066 T-2
Orbit classMain-belt Asteroid
Diameter6.83 km (#7,840 largest of 17,440 named asteroids with a measured size)
Albedo0.290
Rotation period3.49 hours
Absolute magnitude (H)13.08
Orbital period4.27 years
Semi-major axis2.63 au
Perihelion – aphelion2.27 – 2.99 au
Eccentricity0.136
Inclination12.4°
Closest distance between its orbit and Earth's (MOID)1.29 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 25 September 1973

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.