| Heliocentric orbit | Photometry | Position 2022/03/21 22:19 UTC |
| DES class = SCATEXTD | HV = 6.9±0.5 | +23:48:14.20 +15:48:47.8 |
| <a> = 46.33 (AU) | V = 23.1 (V2 = 24.0) | Uncertainty = 0.2 (arcsec) |
| <e> = 0.129 | Δmag = 0.44 | Rates: +3.883, +1.841 ("/hr) |
| <i> = 31.54 (degrees) | B-V = 0.68±0.04 | |
| Perihelion = 2002 | V-R = 0.46±0.04 | Opposition: September |
| Aphelion = 2162 |
| Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
| 2002/10/04 15.87757 | HST/NICMOS-NIC2 | +22:34:18.24 | -06:33:05.0 | 39.71831 | -0.03353 | 0.00215 | +0.12321 | 0.00303 |
| 2003/04/22 23.24905 | HST/NICMOS-NIC2 | +22:43:30.51 | -05:16:45.6 | 41.16560 | +0.06479 | 0.00253 | -0.06930 | 0.00535 |
| 2003/06/30 14.36766 | HST/ACS-HRC | +22:44:38.92 | -04:56:00.9 | 40.07471 | -0.01892 | 0.00030 | +0.12577 | 0.00060 |
| 2003/07/09 17.69178 | HST/ACS-HRC | +22:44:17.41 | -04:56:22.0 | 39.94442 | +0.10265 | 0.00144 | -0.04927 | 0.00090 |
| 2003/07/25 21.00042 | HST/ACS-HRC | +22:43:24.78 | -04:58:36.6 | 39.75092 | -0.05483 | 0.00048 | -0.04894 | 0.00113 |
| 2003/08/23 14.84184 | HST/ACS-HRC | +22:41:18.02 | -05:06:35.3 | 39.56012 | +0.09058 | 0.00030 | +0.11045 | 0.00030 |
| 2004/05/07 00.69828 | HST/ACS-HRC | +22:47:53.73 | -03:59:13.9 | 40.97393 | -0.10199 | 0.00211 | +0.04131 | 0.00129 |
| 2004/06/19 16.47132 | HST/ACS-HRC | +22:48:32.97 | -03:45:27.9 | 40.25641 | +0.09395 | 0.00119 | -0.05315 | 0.00069 |
| 2010/10/03 13.64028 | HST/WFC3 | +23:03:44.76 | +03:01:38.6 | 39.75013 | +0.03971 | 0.00051 | +0.14506 | 0.00294 |
Comments: Orbit published here, and updated here.
| Parameter | Value | Units |
| P period | 19.2287±0.0001 | days |
| a semimajor axis | 3810±10 | kilometers |
| e eccentricity | 0.334±0.002 | dimensionless |
| i inclination | 56.3±0.3 | degrees |
| ε mean longitude at epoch | 310.1±0.3 | degrees |
| Ω longitude of ascending node | 79.1±0.5 | degrees |
| ϖ longitude of periapsis | 317.1±0.3 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2452000.0
Last updated: 2022/03/21 22:19 UTC