Astronomy:829 Academia
From HandWiki
| Discovery | |
|---|---|
| Discovered by | G. N. Neujmin |
| Discovery site | Simeis |
| Discovery date | 25 August 1916 |
| Designations | |
| (829) Academia | |
| Pronunciation | /ækəˈdiːmiə/[1] |
| 1916 ZY | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 101.67 yr (37136 d) |
| |{{{apsis}}}|helion}} | 2.8379 astronomical unit|AU (424.54 Gm) |
| |{{{apsis}}}|helion}} | 2.3219 AU (347.35 Gm) |
| 2.5799 AU (385.95 Gm) | |
| Eccentricity | 0.10000 |
| Orbital period | 4.14 yr (1513.6 d) |
| Mean anomaly | 353.330° |
| Mean motion | 0° 14m 16.26s / day |
| Inclination | 8.2839° |
| Longitude of ascending node | 352.504° |
| 41.183° | |
| Earth MOID | 1.33238 AU (199.321 Gm) |
| Jupiter MOID | 2.57443 AU (385.129 Gm) |
| TJupiter | 3.403 |
| Physical characteristics | |
| Mean radius | 21.88±0.65 km |
| Rotation period | 7.891 ± 0.005 hr,[3] 7.891 h (0.3288 d)[2] |
| Geometric albedo | 0.0484±0.003[2] |
| Absolute magnitude (H) | 11.0[2] |
829 Academia is a minor planet orbiting the Sun. The asteroid is roughly 44 km in diameter and has a low albedo.[2] Photometric measurements of the asteroid made in 2005 at the Palmer Divide Observatory showed a light curve with a period of 7.891 ± 0.005 hours and a brightness variation of 0.44 ± 0.02 in magnitude.[3]
References
- ↑ academia (3rd ed.), Oxford University Press, September 2005, http://oed.com/search?searchType=dictionary&q=academia (Subscription or UK public library membership required.)
- ↑ 2.0 2.1 2.2 2.3 2.4 "JPL Small-Body Database Browser: 829 Academia (1916 ZY)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=829.
- ↑ 3.0 3.1 Warner, Brian D. (September 2005), "Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005", The Minor Planet Bulletin 32 (3): pp. 54–58, Bibcode: 2005MPBu...32...54W.
External links
- Lightcurve plot of 829 Academia, Palmer Divide Observatory, B. D. Warner (2005)
- Asteroid Lightcurve Database (LCDB), query form (info )
- 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
- 829 Academia at AstDyS-2, Asteroids—Dynamic Site
- 829 Academia at the JPL Small-Body Database
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