591 Irmgard (Asteroid)
From South El Monte , 591 Irmgard is visible in the dawn sky, rising at 01:44 (PDT) – 3 hours and 54 minutes before the Sun – and reaching an altitude of 32° above the south-eastern horizon before fading from view as dawn breaks at around 04:27.
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Name
591 Irmgard
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Object type
Asteroid
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Current position
| Computed for: | 04 June 2026 |
| Right ascension: | 23h46m [1] |
| Declination: | −00°36' [1] |
| Constellation: | Pisces |
| Magnitude: | 16.55 (V) [1] |
| Distance: | 3.16 AU 26.31 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.68 AU |
| Eccentricity: | 0.210163 |
| Inclination: | 12.45° |
| Longitude ascending node: | 334.07° |
| Argument of perihelion: | 218.83° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 130.45° |
| Absolute mag (H): | 10.63 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.12 AU |
| Aphelion: | 3.24 AU |
| Orbital period: | 4.38 years |
Source