Global Information4176 Sudek information
| Discovery [1] | |
|---|---|
| Discovered by | A. Mrkos |
| Discovery site | Kleť Obs. |
| Discovery date | 24 February 1987 |
| Designations | |
MPC designation | (4176) Sudek |
Named after | Josef Sudek [1] (Czech photographer) |
Alternative designations | 1987 DS · 1949 FF1 1952 VC · 1974 TC1 1979 SX5 · 1982 FO |
Minor planet category | main-belt [1][2] · (outer) Themis [3][4] |
| Orbital characteristics [2] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 64.97 yr (23,731 d) |
| Aphelion | 3.5436 AU |
| Perihelion | 2.6582 AU |
Semi-major axis | 3.1009 AU |
| Eccentricity | 0.1428 |
Orbital period (sidereal) | 5.46 yr (1,994 d) |
Mean anomaly | 275.67° |
Mean motion | 0° 10m 49.8s / day |
| Inclination | 2.5994° |
Longitude of ascending node | 114.33° |
Argument of perihelion | 356.06° |
| Physical characteristics | |
Mean diameter | 14.51±3.83 km[5] 15.86 km (calculated)[4] 17.87±0.77 km[6] 17.96±2.11 km[7] 18.858±0.243 km[8][9] |
Synodic rotation period | 8.164±0.0092 h[10] |
Geometric albedo | 0.08 (assumed)[4] 0.095±0.019[8] 0.095±0.033[7][9] 0.097±0.009[6] 0.12±0.11[5] |
Spectral type | C (assumed)[4] |
Absolute magnitude (H) | 11.8[9] 11.90[5][6][7] 11.909±0.002 (R)[10] 12.0[2] 12.19±0.18[11] 12.36[4] |
4176 Sudek, provisional designation 1987 DS, is a Themistian asteroid from the outer regions of the asteroid belt, approximately 17 kilometers (11 miles) in diameter. It was discovered on 24 February 1987, by Czech astronomer Antonín Mrkos at the Kleť Observatory in the Czech Republic.[1] The presumed C-type asteroid has a rotation period of 8.16 hours.[4] It was named in memory of Czech photographer Josef Sudek.[1]
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