| Heliocentric orbit | Photometry | Position 2022/03/21 22:19 UTC |
| DES class = 2:1E | HV = 7.15±0.02 | +01:22:40.59 +10:01:20.8 |
| <a> = 47.80 (AU) | V = 23.3 (V2 = 24.1) | Uncertainty = 0.5 (arcsec) |
| <e> = 0.208 | Δmag = 0.12 | Rates: +3.684, +1.364 ("/hr) |
| <i> = 5.84 (degrees) | B-V = NULL | |
| Perihelion = 1985 | V-R = 0.56±0.06 | Opposition: October |
| Aphelion = 2152 |
| Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
| 2006/07/25 10.76904 | HST/ACS-HRC | +23:58:53.16 | +02:41:36.2 | 38.27495 | -0.24089 | 0.00045 | -0.10082 | 0.00050 |
| 2007/07/15 22.75167 | HST/WFPC2-PC | +00:05:06.20 | +03:16:21.9 | 38.57595 | -0.10209 | 0.00286 | -0.16995 | 0.00124 |
| 2007/07/19 09.81000 | HST/WFPC2-PC | +00:05:02.00 | +03:16:05.4 | 38.52329 | -0.05006 | 0.00118 | -0.15815 | 0.00219 |
| 2007/08/05 11.76833 | HST/WFPC2-PC | +00:04:26.68 | +03:13:03.7 | 38.28726 | -0.02229 | 0.00264 | +0.08140 | 0.00189 |
| 2007/08/27 17.94055 | HST/WFPC2-PC | +00:03:09.83 | +03:05:25.3 | 38.06382 | -0.23335 | 0.00194 | -0.12592 | 0.00176 |
| 2008/08/25 08.60611 | HST/WFPC2-PC | +00:09:23.20 | +03:40:34.8 | 38.22113 | +0.07422 | 0.00133 | -0.06801 | 0.00148 |
| 2009/12/19 12.19194 | HST/WFC3-UVIS | +00:09:13.35 | +03:29:39.2 | 39.15379 | -0.23546 | 0.00200 | -0.10908 | 0.00319 |
| 2012/09/29 10.00028 | Gemini/NIRI | +00:31:10.56 | +05:39:53.9 | 38.63891 | -0.24370 | 0.02000 | -0.10323 | 0.02000 |
| 2015/07/31 14.82767 | Keck/NIRC2 | +00:52:21.86 | +07:36:30.1 | 39.65896 | -0.03923 | 0.00798 | -0.15133 | 0.00409 |
| 2017/08/08 14.31000 | Keck/NIRC2 | +01:03:42.33 | +08:35:46.1 | 39.90128 | +0.04251 | 0.00450 | -0.11296 | 0.00563 |
Comments: Orbit published here, and updated here.
| Parameter | Value | Units |
| P period | 56.449±0.004 | days |
| a semimajor axis | 4990±20 | kilometers |
| e eccentricity | 0.489±0.004 | dimensionless |
| i inclination | 127.7±0.6 | degrees |
| ε mean longitude at epoch | 145±1 | degrees |
| Ω longitude of ascending node | 109.2±0.8 | degrees |
| ϖ longitude of periapsis | 151.7±0.9 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2454200.0
Last updated: 2022/03/21 22:19 UTC