Global Information1184 Gaea information
| Discovery[1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 5 September 1926 |
| Designations | |
MPC designation | (1184) Gaea |
| Pronunciation | /ˈdʒiːə/[2] |
Named after | Gaea (Gaia)[3] (Greek mythology) |
Alternative designations | 1926 RE · 1930 OE 1931 XG |
Minor planet category | main-belt · (middle)[4] Aeria[5] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 91.06 yr (33,260 days) |
| Aphelion | 2.8555 AU |
| Perihelion | 2.4804 AU |
Semi-major axis | 2.6680 AU |
| Eccentricity | 0.0703 |
Orbital period (sidereal) | 4.36 yr (1,592 days) |
Mean anomaly | 0.0836° |
Mean motion | 0° 13m 34.32s / day |
| Inclination | 11.315° |
Longitude of ascending node | 355.75° |
Argument of perihelion | 311.34° |
| Physical characteristics | |
| Dimensions | 11.783±0.296 km[6] 12.048±0.146 km[7] 26.52 km (calculated)[4] |
Synodic rotation period | 2.94±0.06 h[8] |
Geometric albedo | 0.10 (assumed)[4][a] 0.4512±0.0298[7] 0.462±0.061[6] |
Spectral type | S/C (assumed)[4][a] |
Absolute magnitude (H) | 11.0[1][4] · 11.1[7] · 11.42±0.31[9] |
1184 Gaea, provisional designation 1926 RE, is an Aerian asteroid from the central regions of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 5 September 1926, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany.[10] The asteroid was named after the goddess of Earth, Gaea (Gaia), from Greek mythology.[3]
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