18 Melpomene (Asteroid)
From Cambridge , 18 Melpomene is not observable – it will reach its highest point in the sky during daytime and is no higher than 5° above the horizon at dawn.
Name
18 Melpomene
|
Object type
Asteroid
|
Constellation: | Capricornus |
Magnitude: | 11.21 (V) [1] |
Absolute mag (H): | 6.57 [1] |
Slope parameter (G): | 0.15 [1] |
Right ascension: | 21h50m [1] |
Declination: | -10°02' [1] |
Distance: | 2.72 AU 22.61 lightmin [1] |
Semi-major axis: | 2.30 AU |
Eccentricity: | 0.218167 |
Inclination: | 10.13° |
Longitude ascending node: | 150.36° |
Argument of perihelion: | 228.18° |
Epoch of elements: | 25 February 2023 |
Mean Anomaly at epoch: | 303.68° |
Perihelion: | 1.79 AU |
Aphelion: | 2.80 AU |
Orbital period: | 3.48 years |
All times shown in Cambridge local time.
05 Nov 2023 | – Asteroid 18 Melpomene at opposition |
09 Jul 2026 | – Asteroid 18 Melpomene at opposition |
08 Feb 2028 | – Asteroid 18 Melpomene at opposition |
18 Nov 2030 | – Asteroid 18 Melpomene at opposition |
17 Jul 2033 | – Asteroid 18 Melpomene at opposition |
13 Feb 2035 | – Asteroid 18 Melpomene at opposition |
30 Nov 2037 | – Asteroid 18 Melpomene at opposition |
25 Jul 2040 | – Asteroid 18 Melpomene at opposition |