405 Thia (Asteroid)
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From South El Monte , 405 Thia is visible in the evening sky, becoming accessible around 17:50 (PST), 26° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:44, 79° above your southern horizon. It will continue to be observable until around 03:59, when it sinks below 21° above your western horizon.
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Name
405 Thia
|
Object type
Asteroid
|
Current position
| Computed for: | 13 November 2025 |
| Right ascension: | 02h26m [1] |
| Declination: | +23°51' [1] |
| Constellation: | Aries |
| Magnitude: | 13.36 (V) [1] |
| Distance: | 2.18 AU 18.09 lightmin [1] |
| Angular motion (speed): | 13.37 arcmin/day[1] |
| Angular motion (pos ang): | 260.8° |
Orbital elements [1]
| Semi-major axis: | 2.58 AU |
| Eccentricity: | 0.243426 |
| Inclination: | 11.94° |
| Longitude ascending node: | 255.19° |
| Argument of perihelion: | 308.53° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 142.95° |
| Absolute mag (H): | 8.82 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.96 AU |
| Aphelion: | 3.21 AU |
| Orbital period: | 4.15 years |
Visibility from South El Monte
All times shown in South El Monte local time.