21 Lutetia (Asteroid)
© ESA/Rosetta 2010
From South El Monte , 21 Lutetia is visible in the dawn sky, rising at 01:07 (PST) and reaching an altitude of 35° above the southern horizon before fading from view as dawn breaks at around 05:32.
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Name
21 Lutetia
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Object type
Asteroid
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Current position
| Computed for: | 17 February 2026 |
| Right ascension: | 16h14m [1] |
| Declination: | −19°11' [1] |
| Constellation: | Scorpius |
| Magnitude: | 12.49 (V) [1] |
| Distance: | 2.42 AU 20.11 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.43 AU |
| Eccentricity: | 0.164784 |
| Inclination: | 3.06° |
| Longitude ascending node: | 80.84° |
| Argument of perihelion: | 249.94° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 246.81° |
| Absolute mag (H): | 7.49 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.03 AU |
| Aphelion: | 2.84 AU |
| Orbital period: | 3.80 years |
Events
| 04 Jul 2030 | – Asteroid 21 Lutetia at opposition |
| 16 Aug 2034 | – Asteroid 21 Lutetia at opposition |
| 29 Sep 2038 | – Asteroid 21 Lutetia at opposition |
| 06 Jul 2049 | – Asteroid 21 Lutetia at opposition |
Printable finder charts
