| Heliocentric orbit | Photometry | Position 2025/08/22 20:58 UTC |
| DES class = CLASSICAL | HV = 7.28±0.05 | +12:48:48.76 -02:32:30.3 |
| <a> = 45.29 (AU) | V = 23.7 (V2 = 24.7) | Uncertainty = 0.2 (arcsec) |
| <e> = 0.125 | Δmag = 0.45 | Rates: +2.676, -1.217 ("/hr) |
| <i> = 2.01 (degrees) | B-V = 1.03±0.09 | |
| Perihelion = 1965 | V-R = 0.64±0.07 | Opposition: April |
| Aphelion = 2117 |
| Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
| 2001/11/17 06.96000 | HST/WFPC2-WF3 | +10:59:56.90 | +07:55:57.0 | 41.85230 | +0.05510 | 0.01580 | +0.19230 | 0.02910 |
| 2002/06/18 08.03222 | HST/WFPC2-PC | +10:53:09.88 | +08:40:02.1 | 41.87019 | -0.14644 | 0.00178 | +0.30011 | 0.00150 |
| 2002/06/30 03.68222 | HST/WFPC2-PC | +10:53:41.42 | +08:36:32.0 | 42.05874 | -0.12770 | 0.00170 | +0.31091 | 0.00100 |
| 2002/07/12 04.04055 | HST/WFPC2-PC | +10:54:24.35 | +08:31:54.2 | 42.23246 | -0.10400 | 0.00100 | +0.31814 | 0.00380 |
| 2003/05/04 04.72558 | HST/NICMOS-NIC2 | +10:58:21.04 | +08:13:24.6 | 41.18642 | -0.13201 | 0.00100 | +0.31824 | 0.00756 |
| 2004/02/16 17.78994 | HST/ACS-HRC | +11:08:34.76 | +07:14:00.2 | 40.82322 | -0.14768 | 0.00053 | +0.28121 | 0.00070 |
| 2004/05/01 12.76716 | HST/ACS-HRC | +11:03:44.23 | +07:44:02.7 | 41.23066 | -0.02039 | 0.00516 | +0.30496 | 0.00130 |
| 2004/06/23 01.31358 | HST/ACS-HRC | +11:03:49.85 | +07:41:55.3 | 42.09492 | +0.06916 | 0.00169 | +0.01995 | 0.00095 |
| 2007/12/17 07.13528 | HST/WFPC2-PC | +11:31:39.80 | +04:59:25.3 | 42.05620 | -0.03908 | 0.00100 | -0.16130 | 0.00268 |
| 2024/12/31 17.50237 | HST/WFC3-UVIS | +12:53:54.94 | -03:03:27.9 | 44.01223 | -0.02071 | 0.00258 | -0.11942 | 0.00142 |
| 2025/03/16 20.55819 | HST/WFC3-UVIS | +12:51:37.00 | -02:44:46.2 | 43.03605 | -0.01014 | 0.00149 | +0.11703 | 0.00165 |
Comments: Orbit published here.
| Parameter | Value | Units |
| P period | 309.47±0.03 | days |
| a semimajor axis | 8200±30 | kilometers |
| e eccentricity | 0.532±0.003 | dimensionless |
| i inclination | 94.8±0.2 | degrees |
| ε mean longitude at epoch | 258.7±0.3 | degrees |
| Ω longitude of ascending node | 16.2±0.2 | degrees |
| ϖ longitude of periapsis | 224.6±0.4 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2452600.0
Last updated: 2025/08/22 20:58 UTC