2486 Metsähovi
| Discovery [1][2] | |
|---|---|
| Discovered by | Y. Vaisala |
| Discovery site | Turku Observatory |
| Discovery date | 22 March 1939 |
| Designations | |
| MPC designation | 2486 Metsahovi (1939 FY) |
Named after |
farm near Helsinki Metsähovi Radio Obs.[3] |
|
1939 FY · 1961 TZ 1970 FE · 1970 GN 1975 WC · 1978 SW2 | |
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 76.32 yr (27876 days) |
| Aphelion | 2.4498 AU (366.48 Gm) |
| Perihelion | 2.0872 AU (312.24 Gm) |
| 2.2685 AU (339.36 Gm) | |
| Eccentricity | 0.079905 |
| 3.42 yr (1248.0 d) | |
| 234.06° | |
| 0° 17m 18.492s / day | |
| Inclination | 8.4104° |
| 359.97° | |
| 101.25° | |
| Earth MOID | 1.12269 AU (167.952 Gm) |
| Jupiter MOID | 2.64505 AU (395.694 Gm) |
| Jupiter Tisserand parameter | 3.596 |
| Physical characteristics | |
| Dimensions | 8.42±0.03 km |
| 4.4518 h (0.18549 d) | |
| 0.232±0.023 | |
| 12.5 | |
|
| |
2486 Metsähovi is a main belt, binary asteroid[4] with an orbital period of 1,248 days (3.42 years). It was discovered by Finnish astronomer Yrjö Väisälä at Turku Observatory on March 22, 1939.[1]
Named for a donated farm near Helsinki, where various institutes have established their observing stations: the Finnish Geodetic Institute for space geodesy, the University of Helsinki for astrophysics, and the Helsinki University of Technology for radio astronomy. (Also see Metsähovi Radio Observatory).[3]
Satellite
| Discovery | |
|---|---|
| Discovered by | M. Pikler, M. Husarik, G. Cervak, W. Cooney, J. Gross, D. Terrell, P. Pravec, P. Kusnirak, A. Galad, J. Vilagi, L. Kornos, S. Gajdos, V. Reddy, and R. Dyvig |
| Discovery date | 2006/12/12 |
| Light curve | |
| Orbital characteristics | |
| Satellite of | 22486 Metsähovi |
| Physical characteristics | |
Sidereal rotation period | 2.6404 hours |
|
| |
A moon was discovered in 2006 from lightcurve observations and announced in 2007.[4]
References
- 1 2 3 "JPL Small-Body Database Browser: 2486 Metsahovi (1939 FY)" (2015-06-13 last obs.). Jet Propulsion Laboratory. Retrieved 15 April 2016.
- ↑ "Iau Minor Planet Center – 2486 Metsahovi". Minor Planet Center. IAU. Retrieved 30 May 2015.
- 1 2 "Dictionary of Minor Planet Names – (2486) Metsahovi". Springer Berlin Heidelberg. 2007. p. 203. Retrieved 11 October 2015.
- 1 2 Johnston, Robert. "(2486) Metsahovi". johnstonsarchive.net. Retrieved 28 May 2015.
External links
- "2486 Metsahovi (1939 FY)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2002486.
- 2486 Metsähovi at the JPL Small-Body Database
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