1011 Laodamia
Laodamia (minor planet designation: 1011 Laodamia), provisional designation 1924 PK, is a stony asteroid and sizable Mars-crosser near the innermost regions of the asteroid belt, approximately 7.5 kilometers in diameter. It was discovered on 5 January 1924, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The asteroid was named after Laodamia from Greek mythology.
| Discovery | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 5 January 1924 |
| Designations | |
MPC designation | (1011) Laodamia |
| Pronunciation | /ˌleɪ.oʊdəˈmaɪə/ |
Named after | Λαοδάμεια Lāodamīa (Greek mythology) |
Alternative designations | 1924 PK · 1939 FG 1958 OC |
Minor planet category | Mars crosser |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 93.50 yr (34,150 days) |
| Aphelion | 3.2315 AU |
| Perihelion | 1.5535 AU |
Semi-major axis | 2.3925 AU |
| Eccentricity | 0.3507 |
Orbital period (sidereal) | 3.70 yr (1,352 days) |
Mean anomaly | 88.023° |
Mean motion | 0° 15m 58.68s / day |
| Inclination | 5.4939° |
Longitude of ascending node | 132.53° |
| 353.34° | |
| Physical characteristics | |
| Dimensions | 7.39 km (derived) 7.56±0.76 km |
Synodic rotation period | 5.17 h 5.17247±0.00007 h 5.175±0.005 h |
| 0.248±0.050 0.259 | |
| Tholen = S · S SMASS = Sr B–V = 0.900 U–B = 0.515 V–R = 0.324±0.171 | |
| 12.00 · 12.416±0.171 · 12.74 · 13.09±0.23 | |
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