Discovery | |
---|---|
Discovered by | H.-E. Schuster |
Discovery site | La Silla |
Discovery date | 17 February 1978 |
Designations | |
MPC designation | 1978 DA |
Named after
|
Seneca the Younger |
MPO 181515 | |
Orbital characteristics | |
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) |
Jupiter Tisserand parameter | 3.172 |
Physical characteristics | |
Dimensions | 0.9 km |
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.
On 2062-Mar-22 it will pass 0.254 AU (38,000,000 km; 23,600,000 mi) from the Earth.