230 Athamantis
From Wikipedia, the free encyclopedia
| Discovery A | |
|---|---|
| Discoverer | K. de Ball |
| Discovery date | September 3, 1882 |
| Alternate designations B |
1949 WG |
| Category | Main belt |
| Orbital elements C | |
|
|
|
| Eccentricity (e) | 0.062 |
| Semi-major axis (a) | 356.347 Gm (2.382 AU) |
| Perihelion (q) | 334.395 Gm (2.235 AU) |
| Aphelion (Q) | 378.299 Gm (2.529 AU) |
| Orbital period (P) | 1342.801 d (3.68 a) |
| Mean orbital speed | 19.3 km/s |
| Inclination (i) | 9.435° |
| Longitude of the ascending node (Ω) |
239.979° |
| Argument of perihelion (ω) |
138.926° |
| Mean anomaly (M) | 70.608° |
| Physical characteristics D | |
| Dimensions | 109.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 24.0055 h |
| Spectral class | S |
| Absolute magnitude | 7.35 |
| Albedo (geometric) | 0.181 |
| Mean surface temperature |
unknown |
230 Athamantis is a fairly large Main belt asteroid. It is classified as an S-type asteroid.
It was discovered by K. de Ball on September 3, 1882 in Bothkamp. It was his only asteroid discovery.
It was named after Athamantis, daughter of Athamas the mythical Greek king of Orchomenos.
[edit] Aspects
| Stationary, than retrograde | Opposition | Distance to earth | Brightness | Stationary, than prograde | Conjunction to sun | |
|---|---|---|---|---|---|---|
| 30th October 2004 | 14th December 2004 | 1,32763 AE | 11,0 mag | 27th January 2005 | 22nd August 2005 | |
| 27th February 2006 | 17th April 2006 | 1,53161 AE | 10,6 mag | 1st June 2006 | 18th December 2006 | |
| 12th July 2007 | 31st August 2007 | 1,28545 AE | 10,1 mag | 9th October 2007 | 15th May 2008 | |
| 7th December 2008 | 26th January 2009 | 1,45007 AE | 10,5 mag | 11th March 2009 | 1st October 2009 | |
| 8th April 2010 | 25th May 2010 | 1,47035 AE | 10,3 mag | 12th July 2010 | 29th January 2011 | |
| 7th September 2011 | 22nd October 2011 | 1,24895 AE | 9,9 mag | 29th November 2011 | 4th July 2012 | |
| 13th January 2013 | 6th March 2013 | 1,52998 AE | 10,7 mag | 18th April 2013 | 6th November 2013 | |
| 19th May 2014 | 7th July 2014 | 1,38156 AE | 10,3 mag | 22nd August 2014 | 19th March 2015 | |
| 25th October 2015 | 9th December 2015 | 1,31409 AE | 10,0 mag | 23th January 2016 | 17th August 2016 | |
| 22nd February 2017 | 12th April 2017 | 1,53556 AE | 10,6 mag | 26th May 2017 | 13th December 2017 | |
| 6th July 2018 | 24th August 2018 | 1,29432 AE | 10,2 mag | 3th October 2018 | 10th May 2019 | |
| 3th December 2019 | 22nd January 2020 | 1,43642 AE | 10,4 mag | 6th March 2020 | 26th September 2020 |
[edit] References
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
| Minor planets | ||
|---|---|---|
| Previous minor planet | 230 Athamantis | Next minor planet |
|
|
|---|
| Vulcanoids | Near-Earth asteroids | Main belt | Jupiter Trojans | Centaurs | Damocloids | Comets | Trans-Neptunians (Kuiper belt · Scattered disc · Oort cloud) |
| For other objects and regions, see: asteroid groups and families, binary asteroids, asteroid moons and the Solar system For a complete listing, see: List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names. |
