2608 Seneca
| Discovery[1] | |
|---|---|
| Discovered by | H.-E. Schuster |
| Discovery site | La Silla |
| Discovery date | 17 February 1978 |
| Designations | |
| 1978 DA | |
Named after | Seneca the Younger |
| MPO 181515 | |
| Orbital characteristics[2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 32.50 yr (11871 days) |
| Aphelion | 3.953617709680611 AU (591.45279093003 Gm) |
| Perihelion | 1.078509355099800 AU (161.34270305296 Gm) |
| 2.516063532390 AU (376.3977469915 Gm) | |
| Eccentricity | 0.5713505079598540 |
| 3.99 yr (1457.7 d) | |
| 204.9371196413890° | |
| 0° 14m 49.046s / day | |
| Inclination | 14.68212347709790° |
| 167.3732547975470° | |
| 37.31516441232404° | |
| Earth MOID | 0.13135 AU (19.650 Gm) |
| Jupiter MOID | 1.13881 AU (170.364 Gm) |
| TJupiter | 3.172 |
| Physical characteristics | |
| Dimensions | 0.9 km[2] |
Mean radius | 0.45 km |
| 8 h (0.33 d) | |
| 0.21 | |
| 17.52 | |
2608 Seneca (or 1978 DA) is an Amor asteroid discovered on February 17, 1978 by H.-E. Schuster at La Silla.[3]
On 2062-Mar-22 it will pass 0.254 AU (38,000,000 km; 23,600,000 mi) from the Earth.[2]
References
- ^ "(2608) Seneca = 1978 DA". Minor Planet Center. Retrieved 2015-06-04.
- ^ a b c "JPL Close-Approach Data: 2608 Seneca (1978 DA)" (2010-08-19 last obs). Retrieved 15 April 2016.
- ^ Schuster, H. E.; Surdej, A.; Surdej, J. (September 1979). "Photoelectric observations of two unusual asteroids - 1978 CA and 1978 DA". Astronomy and Astrophysics Supplement Series. 37: 483–486. Bibcode:1979A&AS...37..483S.
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External links
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