| Observed by M. Challis, but not recognised, from Adams' indications, 4th Aug.,
|
1846
|
| Observed as a fixed star by Lalande in
|
1795
|
| Magnitude as a star,
|
7-8th
|
| Disc seen with a magnifying power of
|
150
|
| Distance from the Sun, mean in miles,
|
2,853,420,000
|
Distance from the Sun,— — — mean (Earth's = 1),
|
30.03627
|
Distance from the Sun, mean in miles,— — — maximum,
|
30.29816
|
Distance from the Sun, mean in miles,— — — minimum,
|
29.77438
|
| Eccentricity of orbit (semi-axis major = 1),
|
.0087193
|
| Longitude of perihehon, epoch 1854,
|
47° 17′ 58″
|
| Longitude of ascending node.
|
130° 10′ 12″
|
| Inclination of orbit.
|
1° 46′ 59″
|
| Motion, mean daily,
|
21″.6
|
Motion— — — in 365 days,
|
2° 11′ 24″
|
| Inclination of axis to ecliptic,
|
unknown
|
| Rotation on axis.
|
unknown
|
| Revolution, sidereal, in days,
|
60126.722
|
| Revoulution„ synodical,
|
367.488
|
