18 Melpomene (Asteroid)
Finder chart
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From San Diego , 18 Melpomene will become visible around 20:45 (PDT), 40° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:21.
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Name
18 Melpomene
|
Object type
Asteroid
|
Current position
| Constellation: | Libra |
| Magnitude: | 11.60 (V) [1] |
| Absolute mag (H): | 6.53 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 14h48m [1] |
| Declination: | -04°59' [1] |
| Distance: | 2.42 AU 20.14 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.30 AU |
| Eccentricity: | 0.217908 |
| Inclination: | 10.13° |
| Longitude ascending node: | 150.36° |
| Argument of perihelion: | 228.12° |
| Epoch of elements: | 21 January 2022 |
| Mean Anomaly at epoch: | 190.37° |
Derived quantities
| Perihelion: | 1.80 AU |
| Aphelion: | 2.80 AU |
| Orbital period: | 3.48 years |
Visibility from San Diego
All times shown in San Diego local time.
Events
| 05 Nov 2023 | – Asteroid 18 Melpomene at opposition |
| 08 Jul 2026 | – Asteroid 18 Melpomene at opposition |
| 07 Feb 2028 | – Asteroid 18 Melpomene at opposition |
| 17 Nov 2030 | – Asteroid 18 Melpomene at opposition |
| 16 Jul 2033 | – Asteroid 18 Melpomene at opposition |
| 12 Feb 2035 | – Asteroid 18 Melpomene at opposition |
| 28 Nov 2037 | – Asteroid 18 Melpomene at opposition |
| 24 Jul 2040 | – Asteroid 18 Melpomene at opposition |
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