351 Yrsa (Asteroid)
From South El Monte , 351 Yrsa is visible in the morning sky, becoming accessible around 23:39, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 04:04, 60° above your southern horizon. It will be lost to dawn twilight around 05:34, 53° above your south-western horizon.
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Name
351 Yrsa
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Object type
Asteroid
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Current position
| Computed for: | 17 September 2025 |
| Right ascension: | 02h58m [1] |
| Declination: | +04°27' [1] |
| Constellation: | Cetus |
| Magnitude: | 13.85 (V) [1] |
| Distance: | 2.05 AU 17.03 lightmin [1] |
| Angular motion (speed): | 16.98 arcmin/day[1] |
| Angular motion (pos ang): | 247.5° |
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 |