| Discovery [1] | |
|---|---|
| Discovered by | Indiana University (Indiana Asteroid Program) |
| Discovery site | Goethe Link Obs. |
| Discovery date | 14 September 1955 |
| Designations | |
| (30718) Records | |
Named after | Brenda Records (Indiana manager)[2][3] |
| 1955 RB1 · 1955 TJ 1964 PH · 1978 VN13 2001 KW67 | |
| main-belt (middle)[2] background | |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 61.44 yr (22,442 days) |
| Aphelion | 3.6403 AU |
| Perihelion | 1.8894 AU |
| 2.7649 AU | |
| Eccentricity | 0.3166 |
| 4.60 yr (1,679 days) | |
| 185.58° | |
| 0° 12m 51.84s / day | |
| Inclination | 5.2938° |
| 278.31° | |
| 54.686° | |
| Physical characteristics | |
Mean diameter | 9.219±0.022 km[4] |
| 0.066±0.010[4] | |
| 14.0[1] | |
30718 Records, provisional designation 1955 RB1, is a dark background asteroid from the central region of the asteroid belt, approximately 9 kilometers in diameter. It was discovered on 14 September 1955, by Indiana University's Indiana Asteroid Program at its Goethe Link Observatory near Brooklyn, Indiana, United States.[2] It was the program's final discovery and was named after IU's astronomy staff member Brenda Records.[3]
Classification and orbit
Records is a non-family from the main belt's background population. It orbits the Sun in the central asteroid belt at a distance of 1.9–3.6 AU once every 4 years and 7 months (1,679 days). Its orbit has an eccentricity of 0.32 and an inclination of 5° with respect to the ecliptic.[1] As no precoveries were taken, the body's observation arc begins with its official discovery observation in 1955.[2]
Physical characteristics
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Records measures 9.219 kilometers in diameter and its surface has a low albedo of 0.066.[4]
As of 2018, the asteroid's spectral type, as well as its rotation period and shape remain unknown.[1][5]
Naming
This minor planet honors Brenda Records (born 1946), who served as office manager for the Indiana University Department of Astronomy for over 20 years. Records was also an administrative assistant to astronomer Frank K. Edmondson, transcribing several of his books.[2][3] The official naming citation was published by the Minor Planet Center on 24 November 2007 (M.P.C. 61269).[6]
References
- 1 2 3 4 5 "JPL Small-Body Database Browser: 30718 Records (1955 RB1)" (2017-02-22 last obs.). Jet Propulsion Laboratory. Retrieved 27 June 2017.
- 1 2 3 4 5 "30718 Records (1955 RB1)". Minor Planet Center. Retrieved 15 September 2016.
- 1 2 3 "IU Asteroid Program "records" final chapter". Indiana University – News Room. 7 April 2008. Retrieved 15 September 2016.
- 1 2 3 Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. Retrieved 15 September 2016.
- ↑ "LCDB Data for (30718) Records". Asteroid Lightcurve Database (LCDB). Retrieved 27 June 2017.
- ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 15 September 2016.
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 (30001)-(35000) – Minor Planet Center
- 30718 Records at AstDyS-2, Asteroids—Dynamic Site
- 30718 Records at the JPL Small-Body Database