Heliocentric orbit | Photometry | Position 2022/03/21 22:18 UTC |
DES class = CENTAURR | HV = 7.70±0.01 | +15:05:54.73 -19:36:04.3 |
<a> = 37.28 (AU) | V = 21.5 (V2 = 23.1) | Uncertainty = 0.0 (arcsec) |
<e> = 0.531 | Δmag = 1.30 | Rates: -3.079, +0.565 ("/hr) |
<i> = 3.88 (degrees) | B-V = 0.74±0.01 | |
Perihelion = 2006 | V-R = 0.52±0.02 | Opposition: May |
Aphelion = 2121 |
Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
2006/01/20 10.03626 | HST/ACS-HRC | +10:12:30.00 | +12:09:08.8 | 16.67520 | -0.08727 | 0.00290 | -0.08172 | 0.00290 |
2006/02/14 13.25424 | HST/ACS-HRC | +10:08:42.27 | +12:29:32.9 | 16.54295 | +0.06642 | 0.00190 | -0.15552 | 0.00190 |
2006/02/19 01.73622 | HST/ACS-HRC | +10:07:57.73 | +12:33:26.5 | 16.53948 | +0.13570 | 0.00190 | -0.08515 | 0.00190 |
2006/11/05 01.64412 | HST/ACS-HRC | +10:35:21.60 | +09:41:25.7 | 17.92010 | -0.00355 | 0.00190 | -0.13523 | 0.00190 |
2006/12/22 10.84926 | HST/ACS-HRC | +10:38:22.99 | +09:23:36.3 | 17.13477 | +0.10178 | 0.00190 | +0.00323 | 0.00190 |
plus proprietary data |
Comments: Orbit published here.
Parameter | Value | Units |
P period | 18.982±0.001 | days |
a semimajor axis | 1580±20 | kilometers |
e eccentricity | 0.507±0.009 | dimensionless |
i inclination | 42±2 | degrees |
ε mean longitude at epoch | 11±1 | degrees |
Ω longitude of ascending node | 254±2 | degrees |
ϖ longitude of periapsis | 354±1 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2454000.0
Last updated: 2022/03/21 22:18 UTC