3749 Balam
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| Discovery A | |
|---|---|
| Discoverer | Edward L. G. Bowell |
| Discovery date | January 24, 1982 |
| Alternate designations B |
1954 XM; 1962 ED; 1974 YO; 1982 BG1 |
| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.110 |
| Semi-major axis (a) | 334.637 Gm (2.237 AU) |
| Perihelion (q) | 297.982 Gm (1.992 AU) |
| Aphelion (Q) | 371.292 Gm (2.482 AU) |
| Orbital period (P) | 1221.998 d (3.35 a) |
| Mean orbital speed | 19.85 km/s |
| Inclination (i) | 5.382° |
| Longitude of the ascending node (Ω) |
295.903° |
| Argument of perihelion (ω) |
173.884° |
| Mean anomaly (M) | 67.047° |
| Physical characteristics D | |
| Dimensions | 7.0 km |
| Mass | 1.5±0.6×1014 kg |
| Density | 1.2±0.5 g/cm³ |
| Surface gravity | 0.0008 m/s² |
| Escape velocity | 0.0024 km/s |
| Rotation period | ? d |
| Spectral class | S |
| Absolute magnitude | 13.4 |
| Albedo (geometric) | 0.16 |
| Mean surface temperature |
~183 K |
3749 Balam is an asteroid orbiting the Sun. It is named after the Canadian astronomer David D. Balam.
[edit] Satellite
A satellite, designated S/2002 (3749) 1, was discovered by William J. Merline, Laird M. Close, Nick Siegler, Christophe Dumas, Clark R. Chapman, François J. Rigaut, François Ménard, William M. Owen Jr., and David C. Slater from the Gemini North Telescope, Mauna Kea; this was announced on February 13, 2002. The moon, about 1.5 km in diameter, orbits 310±20 km away in 110±25 d, with an eccentricity of 0.15±0.15.
[edit] External links
- Discovery Circumstances: Numbered Minor Planets
- Johnston Archive entry for 3749 Balam
- IAUC 7827
- Franck Marchis entry for 3749 Balam
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