1194 Aletta
| Discovery Synodic rotation period | 19.7±0.1 h[9] 20.39±0.01 h[10] 20.3903±0.2170 h[11] | |
|---|---|---|
| 0.03±0.03[7] 0.0333 (derived)[3] 0.0375±0.0065[6] 0.0479±0.003[8] 0.085±0.004[5] 0.087±0.011[4] | ||
| C[3] | ||
| 10.2[5][6][8] · 10.5[12] · 10.6[1][3][7] · 10.644±0.001 (R)[11] | ||
1194 Aletta, provisional designation 1931 JG, is a carbonaceous
Johannesburg Observatory in South Africa.[13] It was later named after the discoverer's wife Aletta Jackson.[2]
Classification and orbit
Aletta is a dark
precoveries were taken and no prior identifications were made.[13]
Physical characteristics
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite
albedo between 0.03 and 0.87.[4][5][6][7][8] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0333 and a diameter of 55.23 kilometers based on an absolute magnitude of 10.6.[3]
Rotation period
In November 2007, American astronomer James W. Brinsfield obtained the first ever
Naming
The discoverer named this
H 111).[2]
References
- ^ a b c d "JPL Small-Body Database Browser: 1194 Aletta (1931 JG)" (2016-06-14 last obs.). Jet Propulsion Laboratory. Retrieved 1 February 2017.
- ^ ISBN 978-3-540-00238-3.
- ^ a b c d e f "LCDB Data for (1194) Aletta". Asteroid Lightcurve Database (LCDB). Retrieved 1 February 2017.
- ^ . Retrieved 1 February 2017.
- ^ )
- ^ .
- ^ . Retrieved 1 February 2017.
- ^ Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
- ^ ISSN 1052-8091. Retrieved 1 February 2017.
- ^ ISSN 1052-8091. Retrieved 1 February 2017.
- ^ . Retrieved 1 February 2017.
- ISSN 1052-8091. Retrieved 1 February 2017.
- ^ a b "1194 Aletta (1931 JG)". Minor Planet Center. Retrieved 1 February 2017.
External links
- 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
- 1194 Aletta at AstDyS-2, Asteroids—Dynamic Site
- 1194 Aletta at the JPL Small-Body Database
