(1923) Osiris Main-belt Asteroid

Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Named for the Egyptian god of vegetation, of the waxing and waning moon and of the annual flooding of the Nile.Naming citation (MPC 5013), IAU / Minor Planet Center, via NASA/JPL

🐶 Osiris as a dog name 🐱 Osiris as a cat name

Where Osiris is today

Seen from above the solar system on 2026-10-14: Osiris is 2.34 au from the Sun and 3.14 au from Earth. Computed from JPL's orbital elements.

Facts

Number	1923
Provisional designation	4011 P-L
Orbit class	Main-belt Asteroid
Diameter	13.5 km (#3,556 largest of 17,440 named asteroids with a measured size)
Albedo	0.0310
Spectral type	C
Absolute magnitude (H)	13.59
Orbital period	3.80 years
Semi-major axis	2.44 au
Perihelion – aphelion	2.28 – 2.59 au
Eccentricity	0.0637
Inclination	4.96°
Closest distance between its orbit and Earth's (MOID)	1.30 au

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

Also discovered on 24 September 1960

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

All 958

← (1922) Zulu · (1924) Horus →