Heliocentric orbit | Photometry | Position 2022/03/21 22:19 UTC |
DES class = CLASSICAL | HV = 6.93±0.03 | +23:14:31.52 -08:24:53.4 |
<a> = 42.81 (AU) | V = 23.4 (V2 = 24.2) | Uncertainty = 0.3 (arcsec) |
<e> = 0.057 | Δmag = 0.03 | Rates: +3.429, +1.360 ("/hr) |
<i> = 2.21 (degrees) | B-V = NULL | |
Perihelion = 2141 | V-R = NULL | Opposition: September |
Aphelion = 2000 |
Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
2003/10/23 01.21416 | Magellan/Unknown | +21:45:56.52 | -16:04:19.9 | 44.55711 | +0.33590 | 0.02630 | -0.23520 | 0.03150 |
2004/09/13 02.86848 | Magellan/Unknown | +21:52:27.69 | -15:35:58.8 | 44.06464 | +0.32910 | 0.01320 | -0.19000 | 0.01790 |
2005/06/08 09.43752 | Magellan/Unknown | +22:02:40.80 | -14:42:42.1 | 44.61508 | +0.23210 | 0.00990 | -0.15660 | 0.00980 |
2005/06/09 08.11824 | Magellan/Unknown | +22:02:39.94 | -14:42:50.6 | 44.60010 | +0.23760 | 0.02010 | -0.16630 | 0.02020 |
2005/07/09 07.93632 | Magellan/Unknown | +22:01:37.76 | -14:50:12.7 | 44.19168 | +0.31790 | 0.01250 | -0.16900 | 0.01730 |
2005/07/25 02.27403 | Magellan/Unknown | +22:00:45.88 | -14:55:34.2 | 44.03872 | +0.32118 | 0.00058 | -0.16998 | 0.00249 |
2005/08/09 04.69440 | HST/ACS-HRC | +21:59:40.48 | -15:01:45.7 | 43.97550 | +0.31880 | 0.00440 | -0.14200 | 0.00580 |
2005/08/14 23.20416 | HST/ACS-HRC | +21:59:18.77 | -15:03:50.2 | 43.95227 | +0.32174 | 0.00108 | -0.15645 | 0.00064 |
2005/09/04 11.73144 | HST/ACS-HRC | +21:57:49.36 | -15:11:47.7 | 43.98993 | +0.30756 | 0.00151 | -0.13804 | 0.00114 |
2006/09/17 21.00768 | HST/ACS-HRC | +22:01:37.97 | -14:55:01.4 | 44.06206 | +0.19047 | 0.00112 | -0.04018 | 0.00177 |
2007/10/11 09.45194 | HST/WFPC2-PC | +22:04:58.10 | -14:39:52.1 | 44.31662 | -0.06438 | 0.00148 | +0.07545 | 0.00179 |
2009/05/10 02.14639 | HST/WFPC2-PC | +22:20:39.34 | -13:15:05.1 | 45.17737 | +0.10401 | 0.00103 | +0.03098 | 0.00387 |
Comments: Orbit published here.
Parameter | Value | Units |
P period | 309.6±0.2 | days |
a semimajor axis | 8550±100 | kilometers |
e eccentricity | 0.663±0.009 | dimensionless |
i inclination | 41.8±0.6 | degrees |
ε mean longitude at epoch | 313±1 | degrees |
Ω longitude of ascending node | 113.6±0.4 | degrees |
ϖ longitude of periapsis | 287±1 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2453500.0
Last updated: 2022/03/21 22:19 UTC