498 Tokio (Asteroid)
From Cambridge , 498 Tokio will become visible at around 21:14 (EDT), 59° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:58.
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Name
498 Tokio
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Object type
Asteroid
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Current position
| Computed for: | 12 May 2025 |
| Right ascension: | 10h10m [1] |
| Declination: | +21°31' [1] |
| Constellation: | Leo |
| Magnitude: | 14.73 (V) [1] |
| Distance: | 2.98 AU 24.78 lightmin [1] |
| Angular motion (speed): | 9.13 arcmin/day[1] |
| Angular motion (pos ang): | 284.1° |
Orbital elements [1]
| Semi-major axis: | 2.65 AU |
| Eccentricity: | 0.224022 |
| Inclination: | 9.50° |
| Longitude ascending node: | 97.15° |
| Argument of perihelion: | 241.66° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 165.79° |
| Absolute mag (H): | 8.87 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.06 AU |
| Aphelion: | 3.24 AU |
| Orbital period: | 4.31 years |