261 Prymno
Appearance
(Redirected from (261) Prymno)
![]() Orbital diagram | |
Discovery | |
---|---|
Discovered by | C. H. F. Peters |
Discovery date | 31 October 1886 |
Designations | |
(261) Prymno | |
Pronunciation | /ˈprɪmnoʊ/ |
Named after | Prymno |
A886 UA | |
Main belt | |
Adjectives | Prymnoian /prɪmˈnoʊ.iən/ |
Orbital characteristics[1] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 98.79 yr (36082 d) |
Aphelion | 2.54054 AU (380.059 Gm) |
Perihelion | 2.12336 AU (317.650 Gm) |
2.33195 AU (348.855 Gm) | |
Eccentricity | 0.089449 |
3.56 yr (1300.7 d) | |
Average orbital speed | 19.51 km/s |
35.7611° | |
0° 16m 36.386s / day | |
Inclination | 3.63567° |
96.6415° | |
65.9065° | |
Physical characteristics | |
Dimensions | 50.93±1.3 km |
8.002 h (0.3334 d) | |
0.1141±0.006 | |
B | |
9.44 | |
261 Prymno is a somewhat large Main belt asteroid. It is classified as a B-type asteroid and probably has a primitive composition not unlike common C-type carbonaceous asteroids.
It was discovered by C. H. F. Peters on October 31, 1886, in Clinton, New York and was named after the Greek Oceanid Prymno.
References
[edit]- ^ "261 Prymno". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
External links
[edit]- Lightcurve plot of 261 Prymno, Palmer Divide Observatory, B. D. Warner (2009)
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 261 Prymno at AstDyS-2, Asteroids—Dynamic Site
- 261 Prymno at the JPL Small-Body Database