405 Thia (Asteroid)

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From South El Monte , 405 Thia is visible in the evening sky, becoming accessible around 17:53 (PST), 22° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:08, 80° above your southern horizon. It will continue to be observable until around 04:24, when it sinks below 21° above your western horizon.

Name 405 Thia
Object type Asteroid
Current position
Computed for:08 November 2025
Right ascension:02h31m [1]
Declination:+24°27' [1]
Constellation:Aries
Magnitude:13.30 (V) [1]
Distance:2.17 AU
18.06 lightmin [1]
Angular motion (speed):13.44 arcmin/day[1]
Angular motion (pos ang):261.4°
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

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