154 Bertha (Asteroid)
From South El Monte , 154 Bertha is visible in the dawn sky, rising at 02:15 (PST) and reaching an altitude of 39° above the south-eastern horizon before fading from view as dawn breaks at around 05:42.
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Name
154 Bertha
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Object type
Asteroid
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Current position
| Computed for: | 13 December 2025 |
| Right ascension: | 13h49m [1] |
| Declination: | −02°20' [1] |
| Constellation: | Virgo |
| Magnitude: | 13.55 (V) [1] |
| Distance: | 3.40 AU 28.30 lightmin [1] |
| Angular motion (speed): | 10.17 arcmin/day[1] |
| Angular motion (pos ang): | 312.7° |
Orbital elements [1]
| Semi-major axis: | 3.19 AU |
| Eccentricity: | 0.076953 |
| Inclination: | 21.02° |
| Longitude ascending node: | 36.48° |
| Argument of perihelion: | 167.73° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 291.01° |
| Absolute mag (H): | 7.67 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.95 AU |
| Aphelion: | 3.44 AU |
| Orbital period: | 5.71 years |