Global Information478 Tergeste information
| Discovery[1] | |
|---|---|
| Discovered by | L. Carnera |
| Discovery site | Heidelberg Obs. |
| Discovery date | 21 September 1901 |
| Designations | |
MPC designation | (478) Tergeste |
| Pronunciation | /tərˈdʒɛstiː/[2] |
Named after | Trieste (Italian city)[3] |
Alternative designations | 1901 GU · 1948 RU1 |
Minor planet category | main-belt · (outer)[4] |
| Orbital characteristics[1] | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 115.13 yr (42,051 days) |
| Aphelion | 3.2697 AU |
| Perihelion | 2.7659 AU |
Semi-major axis | 3.0178 AU |
| Eccentricity | 0.0835 |
Orbital period (sidereal) | 5.24 yr (1,915 days) |
Mean anomaly | 274.22° |
Mean motion | 0° 11m 16.8s / day |
| Inclination | 13.182° |
Longitude of ascending node | 233.90° |
Argument of perihelion | 239.54° |
| Physical characteristics | |
| Dimensions | 77.252±1.447 km[5] 77.71 km (taken)[4] 77.714 km[6] 79.46±1.5 km (IRAS:21)[7] 80.738±1.032[8] 85.59±1.03 km[9] |
Synodic rotation period | 15±5 h[10] 16.104±0.001 h[11] 16.105±0.001 h[12] |
Geometric albedo | 0.155±0.005[9] 0.174±0.045[8] 0.1798±0.007 (IRAS:21)[7] 0.1902±0.0282[5] 0.1914[6] |
Spectral type | B–V = 0.850[1] U–B = 0.445[1] S (Tholen)[1] L (SMASS)[1] · L[4] |
Absolute magnitude (H) | 7.96±0.05[4][6][10] · 7.97±0.23[13] · 7.98[1][5][7][9] |
Tergeste (minor planet designation: 478 Tergeste) is a rare-type stony asteroid[clarification needed] from the outer region of the asteroid belt, approximately 78 kilometers in diameter. It was discovered on 21 September 1901, by Italian astronomer Luigi Carnera at Heidelberg Observatory in southern Germany.[14] It was named after the Italian city of Trieste.[3]
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