23 Thalia (Asteroid)
From South El Monte , 23 Thalia is visible in the evening sky, becoming accessible around 20:35 (PDT), 23° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:03, 24° above your southern horizon. It will continue to be observable until around 22:13, when it sinks below 21° above your southern horizon.
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Name
23 Thalia
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Object type
Asteroid
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Current position
| Computed for: | 20 August 2025 |
| Right ascension: | 18h10m [1] |
| Declination: | −31°55' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 12.50 (V) [1] |
| Distance: | 2.49 AU 20.73 lightmin [1] |
| Angular motion (speed): | 11.67 arcmin/day[1] |
| Angular motion (pos ang): | 278.8° |
Orbital elements [1]
| Semi-major axis: | 2.63 AU |
| Eccentricity: | 0.231131 |
| Inclination: | 10.11° |
| Longitude ascending node: | 66.49° |
| Argument of perihelion: | 61.60° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 100.88° |
| Absolute mag (H): | 7.17 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.02 AU |
| Aphelion: | 3.24 AU |
| Orbital period: | 4.26 years |
Events
| 14 Jan 2028 | – Asteroid 23 Thalia at opposition |
| 27 Nov 2031 | – Asteroid 23 Thalia at opposition |
| 02 Mar 2041 | – Asteroid 23 Thalia at opposition |
| 03 Jan 2045 | – Asteroid 23 Thalia at opposition |
| 19 Nov 2048 | – Asteroid 23 Thalia at opposition |
Printable finder charts
