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34 Circe
Main-belt asteroid
Main-belt asteroid
| Field | Value |
|---|---|
| background | #D6D6D6 |
| name | 34 Circe |
| image | 34Circe (Lightcurve Inversion).png |
| caption | A three-dimensional model of 34 Circe based on its light curve |
| discoverer | J. Chacornac |
| discovered | 6 April 1855 |
| mpc_name | (34) Circe |
| pronounced | |
| adjective | Circean |
| alt_names | 1965 JL |
| named_after | Circe |
| mp_category | Main belt |
| epoch | 21 November 2025 (JD 2461000.5) |
| orbit_ref | |
| semimajor | 2.688 AU |
| perihelion | 2.401 AU |
| aphelion | 2.975 AU |
| eccentricity | 0.107 |
| period | 4.407 yr (1609.636 d) |
| inclination | 5.496° |
| asc_node | 184.294° |
| arg_peri | 329.414° |
| mean_anomaly | 305.209° |
| jupiter_moid | 2.023 AU |
| tisserand | 3.358 |
| avg_speed | 18.12 km/s |
| dimensions | 113.02 ± 4.90 km |
| mass | (3.66 ± 0.03) × 1018 kg |
| density | 4.83 ± 0.63 g/cm3 |
| surface_grav | ~0.0317 m/s² |
| escape_velocity | ~0.0600 km/s |
| rotation | 0.5063 d (12.15 h) |
| spectral_type | C |
| abs_magnitude | 8.51 |
| albedo | 0.0541 |
| single_temperature | ~172 K |
34 Circe is a large, very dark main-belt asteroid. It was discovered by French astronomer J. Chacornac on 6 April 1855, and named after Circe, the bewitching queen of Aeaea island in Greek mythology.
The spectrum of this object matches a C-type asteroid, suggesting a carbonaceous composition. It has a cross-section size of 113 km and is orbiting the Sun with a period of 4.40 years. Photometric observations of this asteroid made during 2007 at the Organ Mesa Observatory in Las Cruces, New Mexico gave an asymmetrical bimodal light curve with a period of 12.176 ± 0.002 hours and a brightness variation of 0.17 ± 0.02 in magnitude. The spectra of the asteroid displays evidence of aqueous alteration.
References
References
- "Circe". [[Oxford University Press]].
- {{OED. Circean
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