2608 Seneca

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2608 Seneca
Discovery[1]
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[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)
Jupiter Tisserand parameter 3.172
Physical characteristics
Dimensions 0.9 km[2]
Mean radius
0.45 km
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[edit]

  1. ^ "(2608) Seneca = 1978 DA". Minor Planet Center. Retrieved 2015-06-04. 
  2. ^ a b c "JPL Close-Approach Data: 2608 Seneca (1978 DA)" (2010-08-19 last obs). Retrieved 15 April 2016. 
  3. ^ 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. 

External links[edit]