3391 Sinon

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3391 Sinon
Discovery[1]
Discovered by Hiroki Kosai and Kiichiro Hurukawa
Discovery date 18 February 1977
Designations
Named after
Sinon
1977 DD3
Jupiter Trojan
Orbital characteristics[1][2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 21977 days (60.17 yr)
Aphelion 5.73907 AU (858.553 Gm)
Perihelion 4.86540 AU (727.853 Gm)
5.30224 AU (793.204 Gm)
Eccentricity 0.082387
12.21 yr (4459.51 d)
12.92 km/s
135.426°
0° 4m 50.615s / day
Inclination 14.8699°
341.136°
103.544°
Earth MOID 3.91963 AU (586.368 Gm)
Jupiter MOID 0.259194 AU (38.7749 Gm)
Jupiter Tisserand parameter 2.926
Physical characteristics
Dimensions ? km
Mass ?×10? kg
Mean density
? g/cm³
Equatorial surface gravity
? m/s²
Equatorial escape velocity
? km/s
8.135 h (0.3390 d)
? d
?
?
0.10
Temperature ~121 K
?
10.3

3391 Sinon is a Jupiter Trojan asteroid that orbits in the L4 Lagrangian point of the Sun-Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek hero Sinon, who was a warrior during the Trojan War. It was discovered by Hiroki Kosai and Kiichiro Hurukawa at the Kiso Observatory in Japan on February 18, 1977.

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