| Heliocentric orbit | Photometry | Position 2022/03/21 22:18 UTC |
| DES class = CLASSICAL | HV = 6.04±0.02 | +23:49:58.31 -01:41:10.0 |
| <a> = 43.73 (AU) | V = 22.3 (V2 = 23.3) | Uncertainty = 0.1 (arcsec) |
| <e> = 0.087 | Δmag = 0.45 | Rates: +3.620, +1.565 ("/hr) |
| <i> = 1.62 (degrees) | B-V = 0.8±0.2 | |
| Perihelion = 1973 | V-R = 0.70±0.04 | Opposition: September |
| Aphelion = 2119 |
| Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
| 2001/11/09 08.90774 | HST/STIS | +22:00:24.67 | -12:44:16.4 | 40.77425 | -0.00106 | 0.00431 | +0.07338 | 0.00332 |
| 2001/11/12 09.07856 | HST/STIS | +22:00:24.82 | -12:44:13.3 | 40.82621 | -0.07025 | 0.00324 | +0.04711 | 0.00309 |
| 2003/04/23 03.43877 | HST/NICMOS-NIC2 | +22:18:05.60 | -11:06:37.0 | 41.54853 | +0.17468 | 0.00180 | -0.08541 | 0.00219 |
| 2003/08/20 14.77500 | HST/ACS-HRC | +22:15:39.99 | -11:21:39.4 | 40.06989 | -0.02455 | 0.00073 | +0.07100 | 0.00067 |
| 2003/09/15 06.02676 | HST/ACS-HRC | +22:13:43.00 | -11:32:33.8 | 40.14102 | +0.22368 | 0.00052 | -0.04275 | 0.00071 |
| 2003/11/17 12.09366 | HST/ACS-HRC | +22:11:17.44 | -11:45:27.5 | 40.98070 | +0.06458 | 0.00050 | +0.07964 | 0.00068 |
| 2003/11/29 07.31058 | HST/ACS-HRC | +22:11:28.40 | -11:44:17.4 | 41.18721 | -0.01747 | 0.00106 | -0.07675 | 0.00075 |
| 2007/07/17 16.14750 | HST/WFPC2-PC | +22:39:33.20 | -09:04:05.1 | 40.59996 | +0.15010 | 0.00128 | +0.06624 | 0.00100 |
| 2008/05/01 19.01861 | HST/WFPC2-PC | +22:44:39.45 | -08:32:39.8 | 41.86041 | -0.07973 | 0.00117 | +0.00928 | 0.00219 |
Comments: Orbit published here, and updated here.
| Parameter | Value | Units |
| P period | 46.289±0.002 | days |
| a semimajor axis | 4530±10 | kilometers |
| e eccentricity | 0.470±0.002 | dimensionless |
| i inclination | 54.3±0.3 | degrees |
| ε mean longitude at epoch | 214.5±0.5 | degrees |
| Ω longitude of ascending node | 70.4±0.4 | degrees |
| ϖ longitude of periapsis | 238.8±0.6 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2451900.0
Last updated: 2022/03/21 22:18 UTC