Key facts
- Discovered by
- Y. Väisälä
- Discovery site
- Turku Obs.
- Discovery date
- 6 February 1938
- Named after
- L. L. Zamenhof , (creator of Esperanto )
- Alternative designations
- 1938 CA · 1963 TS, 1964 VF 2 · 1969 TU 5
- Minor planet category
- main-belt · ( outer ) , Themis
- Observation arc
- 53.72 yr (19,623 days)
- Aphelion
- 3.4958 AU
- Perihelion
- 2.8032 AU
- Semi major axis
- 3.1495 AU
- Orbital period sidereal
- 5.59 yr (2,042 days)
- Mean anomaly
- 7.0433 °
- Mean motion
- 0° 10 34.68 / day
- Inclination
- 0.9657°
- Longitude of ascending node
- 24.810°
- Argument of perihelion
- 187.54°
- Dimensions
- 25.62 km (derived) , 25.91 ± 0.55 km , 26.57 ± 0.52 km , 27.366 ± 0.166 km , 27.645 ± 0.395 km
- Synodic rotation period
- 10.2 ± 0.6 h , 10.4 ± 0.1 h
via Wikipedia infobox
Wikidata facts
- Instance of
- asteroid
- Named after
- L. L. Zamenhof
- Followed by
- Q139496
- Follows
- Q139461
- Parent body
- Sun
- Minor-planet group
- asteroid belt
- Diameter
- 27.366
- Orbital period
- 2038.472182242872
Show 18 more facts
- orbital inclination
- 0.9640485066389213
- orbital eccentricity
- 0.1081270335875917
- discoverer or inventor
- Yrjö Väisälä
- site of astronomical discovery
- Iso-Heikkilä Observatory
- provisional designation
- 1969 TU5
- time of discovery or invention
- 1938-02-06
- apoapsis
- 3.486533091512877
- periapsis
- 2.806126478798535
- semi-major axis of an orbit
- 3.146329785155706
- mean anomaly
- 177.7920350839457
- longitude of ascending node
- 24.73368220947017
- argument of periapsis
- 186.283392032875
- absolute magnitude
- 11.39
- Commons category
- 1462 Zamenhof
- albedo
- 0.087
- rotation period
- 10.4
- time of periapsis
- 2459993.766339603
- epoch
- November 21, 2025
Sources (2)
via Wikidata · CC0
~3 min read
Encyclopedic overview
1462 Zamenhof, provisional designation 1938 CA, is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt, approximately 27 kilometers in diameter. It was discovered on 6 February 1938, by Finnish astronomer Yrjö Väisälä at the Iso-Heikkilä Observatory in Finland. The asteroid was named after L. L. Zamenhof, the creator of Esperanto. It is a recognized Zamenhof-Esperanto object.
Orbit and classification
Excerpted from Wikipedia’s “Q139489” article, available under the CC BY-SA 4.0 licence.