Discovery | |
---|---|
Discovered by | J. Palisa |
Discovery site | Vienna |
Discovery date | 27 August 1914 |
Designations | |
MPC designation | (794) Irenaea |
1914 VB | |
Orbital characteristics | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 79.53 yr (29047 d) |
Aphelion | 4.0546 AU (606.56 Gm) |
Perihelion | 2.2011 AU (329.28 Gm) |
3.1279 AU (467.93 Gm) | |
Eccentricity | 0.29629 |
5.53 yr (2020.6 d) | |
141.437° | |
0° 10m 41.412s / day | |
Inclination | 5.4186° |
160.456° | |
131.503° | |
Earth MOID | 1.18933 AU (177.921 Gm) |
Jupiter MOID | 1.20915 AU (180.886 Gm) |
Jupiter Tisserand parameter | 3.138 |
Physical characteristics | |
Mean radius
|
17.9 km |
9.14 h (0.381 d) | |
±0.012 0.0502 | |
11.3 | |
794 Irenaea is a minor planet orbiting the Sun.