556 Phyllis (Asteroid)
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From South El Monte , 556 Phyllis is visible in the dawn sky, rising at 03:17 (PST) – 3 hours and 38 minutes before the Sun – and reaching an altitude of 24° above the south-eastern horizon before fading from view as dawn breaks at around 05:50.
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Name
556 Phyllis
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Object type
Asteroid
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Current position
| Computed for: | 30 December 2025 |
| Right ascension: | 15h03m [1] |
| Declination: | −21°36' [1] |
| Constellation: | Libra |
| Magnitude: | 14.87 (V) [1] |
| Distance: | 3.06 AU 25.41 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.46 AU |
| Eccentricity: | 0.103890 |
| Inclination: | 5.25° |
| Longitude ascending node: | 285.97° |
| Argument of perihelion: | 177.16° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 87.63° |
| Absolute mag (H): | 9.53 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.21 AU |
| Aphelion: | 2.72 AU |
| Orbital period: | 3.87 years |
Visibility from South El Monte
All times shown in South El Monte local time.