351 Yrsa (Asteroid)
From South El Monte , 351 Yrsa is visible in the dawn sky, rising at 01:21 (PDT) and reaching an altitude of 39° above the south-eastern horizon before fading from view as dawn breaks at around 04:40.
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Name
351 Yrsa
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Object type
Asteroid
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Current position
| Computed for: | 16 July 2025 |
| Right ascension: | 02h23m [1] |
| Declination: | +04°41' [1] |
| Constellation: | Cetus |
| Magnitude: | 14.83 (V) [1] |
| Distance: | 2.92 AU 24.29 lightmin [1] |
| Angular motion (speed): | 11.35 arcmin/day[1] |
| Angular motion (pos ang): | 246.8° |
Orbital elements [1]
| Semi-major axis: | 2.76 AU |
| Eccentricity: | 0.156600 |
| Inclination: | 9.21° |
| Longitude ascending node: | 99.19° |
| Argument of perihelion: | 31.68° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 223.90° |
| Absolute mag (H): | 9.19 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.33 AU |
| Aphelion: | 3.20 AU |
| Orbital period: | 4.59 years |