228 Agathe
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| Discovery A | |
|---|---|
| Discoverer | Johann Palisa |
| Discovery date | August 19, 1882 |
| Alternate designations B |
n/a |
| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.242 |
| Semi-major axis (a) | 329.294 Gm (2.201 AU) |
| Perihelion (q) | 249.578 Gm (1.668 AU) |
| Aphelion (Q) | 409.011 Gm (2.734 AU) |
| Orbital period (P) | 1192.83 d (3.27 a) |
| Mean orbital speed | 20.08 km/s |
| Inclination (i) | 2.541° |
| Longitude of the ascending node (Ω) |
313.532° |
| Argument of perihelion (ω) |
18.609° |
| Mean anomaly (M) | 172.307° |
| Physical characteristics D | |
| Dimensions | 9.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 12.48 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
228 Agathe is a small Main belt asteroid.
It was discovered by Johann Palisa on August 19, 1882 in Vienna.
[edit] References
| Minor planets | ||
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| Previous minor planet | 228 Agathe | Next minor planet |
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| Vulcanoids | Near-Earth asteroids | Main belt | Jupiter Trojans | Centaurs | Damocloids | Comets | Trans-Neptunians (Kuiper belt · Scattered disc · Oort cloud) |
| For other objects and regions, see: asteroid groups and families, binary asteroids, asteroid moons and the Solar system For a complete listing, see: List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names. |
