121475 1999 TK228 (Asteroid)
From Fairfield , 121475 1999 TK228 will become visible at around 21:03 (EDT), 76° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 04:28.
|
Name
121475 1999 TK228
|
Object type
Asteroid
|
Current position
| Computed for: | 01 May 2024 |
| Right ascension: | 10h02m [1] |
| Declination: | +31°32' [1] |
| Constellation: | Leo Minor |
| Magnitude: | 21.44 (V) [1] |
| Distance: | 3.58 AU 29.76 lightmin [1] |
| Angular motion (speed): | 6.74 arcmin/day[1] |
| Angular motion (pos ang): | 286.1° |
Orbital elements [1]
| Semi-major axis: | 3.12 AU |
| Eccentricity: | 0.274079 |
| Inclination: | 16.83° |
| Longitude ascending node: | 67.34° |
| Argument of perihelion: | 249.03° |
| Epoch of elements: | 31 March 2024 |
| Mean Anomaly at epoch: | 208.73° |
| Absolute mag (H): | 14.90 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.27 AU |
| Aphelion: | 3.98 AU |
| Orbital period: | 5.52 years |