Key facts
- Discovered by
- C. S. Shoemaker , E. M. Shoemaker
- Discovery site
- Palomar Observatory
- Discovery date
- 27 May 1984
- Pronunciation
- / d aɪ ə ˈ n aɪ s ə s /
- Named after
- Διόνυσος Dionȳsos
- Alternative designations
- 1984 KD
- Minor planet category
- PHA
- Adjectives
- Dionysian / d aɪ ə ˈ n ɪ s i ə n /
- Observation arc
- 11629 days (31.84 yr)
- Aphelion
- 3.389527126 AU (507.0660407 Gm )
- Perihelion
- 1.00825538 AU (150.832858 Gm)
- Semi major axis
- 2.198891253 AU (328.9494493 Gm)
- Orbital period sidereal
- 3.26 yr (1191.0 d )
- Mean anomaly
- 244.408078 °
- Mean motion
- 0° 18 8.181 / day
- Inclination
- 13.5346771°
- Longitude of ascending node
- 82.1319934°
- Argument of perihelion
- 204.217348°
via Wikipedia infobox
Wikidata facts
- Instance of
- near-Earth asteroid
- Named after
- Dionysus
- Followed by
- 3672 Stevedberg
- Follows
- 3670 Northcott
- Parent body
- Sun
- Minor-planet group
- Apollo asteroid
- Diameter
- 1.5
- Orbital period
- 1189.68413892372
- Image
- Orbit of 3671 Dionysus.gif
Show 19 more facts
- periapsis
- 1.002327294409289
- discoverer or inventor
- Eugene Merle Shoemaker
- argument of periapsis
- 204.4261115151697
- site of astronomical discovery
- Palomar Observatory
- provisional designation
- 1984 KD
- time of discovery or invention
- 1984-05-27
- orbital inclination
- 13.53279403537427
- orbital eccentricity
- 0.5438362953411613
- albedo
- 0.16
- absolute magnitude
- 16.49
- apoapsis
- 3.392267383652273
- semi-major axis of an orbit
- 2.197297339030781
- mean anomaly
- 252.1023391625566
- longitude of ascending node
- 82.02498247200216
- rotation period
- 2.7053
- asteroid spectral type
- C-type asteroid
- Commons category
- 3671 Dionysos
- time of periapsis
- 2461357.067043681
- epoch
- November 21, 2025
Sources (3)
via Wikidata · CC0
~2 min read
Encyclopedic overview
3671 Dionysus is a small binary Amor asteroid, orbiting between Earth and the asteroid belt. It was discovered by Carolyn and Gene Shoemaker at Palomar Observatory on 27 May 1984. It is named after Dionysus, the Greek god of wine. Its provisional designation was 1984 KD. It is an outer Earth grazer because its perihelion is just within Earth's orbit.
Potentially hazardous object
Excerpted from Wikipedia’s “3671 Dionysus” article, available under the CC BY-SA 4.0 licence.