Discovery | |
---|---|
Discovered by | Johann Palisa |
Discovery date | 14 October 1884 |
Designations | |
MPC designation | (244) Sita |
A900 UA, 1957 KT, 1976 HY, 1979 FL3 |
|
Main belt (Flora family) | |
Orbital characteristics | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 130.93 yr (47824 d) |
Aphelion | 2.47317 AU (369.981 Gm) |
Perihelion | 1.87531 AU (280.542 Gm) |
2.17424 AU (325.262 Gm) | |
Eccentricity | 0.13749 |
3.21 yr (1171.0 d) | |
Average orbital speed
|
20.2 km/s |
46.3767° | |
0° 18m 26.737s / day | |
Inclination | 2.84423° |
208.982° | |
166.029° | |
Earth MOID | 0.875159 AU (130.9219 Gm) |
Jupiter MOID | 2.98577 AU (446.665 Gm) |
Jupiter Tisserand parameter | 3.672 |
Physical characteristics | |
Dimensions |
±0.8 km 10.95 11 km |
Mass | ~2×1015(estimate) |
Mean density
|
~2.7 g/cm³ (estimate) |
Equatorial surface gravity
|
~0.004 m/s² (estimate) |
Equatorial escape velocity
|
~0.007 km/s (estimate) |
129.51 h (5.396 d) | |
±0.033 0.1941 0.194 |
|
Temperature | ~184 K max: 279 K (+6°C) |
S | |
11.9 | |
244 Sita is an asteroid belonging to the Flora family in the Main Belt.
It was discovered by Johann Palisa on October 14, 1884, in Vienna.