2608 Seneca
| Discovery | |
|---|---|
| Discovered by | H.-E. Schuster |
| Discovery site | La Silla Obs. |
| Discovery date | 17 February 1978 |
| Designations | |
| (2608) Seneca | |
| Pronunciation | /ˈsɛnɪkə/ SEN-ik-ə |
Named after | Seneca the Younger (Roman philosopher) |
| 1978 DA | |
| NEO · Amor | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 38.92 yr (14,217 days) |
| Aphelion | 3.9532 AU |
| Perihelion | 1.0777 AU |
| 2.5154 AU | |
| Eccentricity | 0.5716 |
| 3.99 yr (1,457 days) | |
| 353.12° | |
| 0° 14m 49.56s / day | |
| Inclination | 14.682° |
| 167.37° | |
| 37.350° | |
| Earth MOID | 0.1321 AU · 51.5 LD |
| Physical characteristics | |
| Dimensions | 0.9 km 1.0±0.3 |
| 8 h | |
| 0.15±0.03 0.20 (derived) 0.21 | |
| Tholen = S · S B–V = 0.826 U–B = 0.454 | |
| 17.52 · 17.59 · 17.73 | |
2608 Seneca, provisional designation 1978 DA, is a stony asteroid and sub-kilometer near-Earth object of the Amor group, approximately 0.9 kilometers in diameter. It was discovered on 17 February 1978, by German astronomer Hans-Emil Schuster at ESO's La Silla Observatory in northern Chile, and named after Roman philosopher Seneca.