Heliocentric orbit | Photometry | Position 2022/03/21 22:18 UTC |
DES class = SCATEXTD | HV = 3.88±0.01 | +03:11:06.83 +09:20:26.8 |
<a> = 42.72 (AU) | V = 19.9 (V2 = 22.5) | Uncertainty = 0.0 (arcsec) |
<e> = 0.137 | Δmag = 2.50 | Rates: +2.911, +1.007 ("/hr) |
<i> = 20.22 (degrees) | B-V = 0.97±0.02 | |
Perihelion = 2065 | V-R = 0.56±0.01 | Opposition: November |
Aphelion = 2205 |
Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
2005/08/26 15.78192 | HST/ACS-HRC | +01:47:08.16 | +10:01:17.9 | 41.70040 | +0.07020 | 0.00030 | -0.14600 | 0.00100 |
2006/07/22 19.24488 | HST/ACS-HRC | +01:52:53.21 | +10:09:00.8 | 42.15196 | +0.00000 | 0.05000 | +0.00000 | 0.05000 |
2006/07/23 11.59728 | HST/ACS-HRC | +01:52:53.81 | +10:08:59.6 | 42.14020 | +0.02200 | 0.00100 | -0.08500 | 0.00100 |
2006/07/27 13.16112 | HST/ACS-HRC | +01:52:56.50 | +10:08:47.4 | 42.07017 | -0.02300 | 0.00090 | +0.07400 | 0.00200 |
2006/07/30 22.14264 | HST/ACS-HRC | +01:52:57.62 | +10:08:31.0 | 42.01231 | +0.00000 | 0.05000 | +0.00000 | 0.05000 |
2006/08/10 20.35536 | HST/ACS-HRC | +01:52:54.35 | +10:07:00.2 | 41.82899 | +0.07080 | 0.00050 | -0.14340 | 0.00030 |
2006/08/17 17.03904 | HST/ACS-HRC | +01:52:47.03 | +10:05:34.3 | 41.71891 | +0.03480 | 0.00080 | -0.10570 | 0.00090 |
2012/12/07 06.95808 | Keck/NIRC2 | +02:19:02.10 | +09:24:17.2 | 40.52974 | +0.07400 | 0.00300 | -0.13300 | 0.00300 |
plus proprietary data |
Comments: Orbit published here. Also see the Astro-PH preprint.
Parameter | Value | Units |
P period | 8.3095±0.0001 | days |
a semimajor axis | 4750±40 | kilometers |
e eccentricity | 0.18±0.02 | dimensionless |
i inclination | 63.1±0.3 | degrees |
ε mean longitude at epoch | 142.0±0.3 | degrees |
Ω longitude of ascending node | 206.1±0.3 | degrees |
ϖ longitude of periapsis | 213±1 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2454000.0
Last updated: 2022/03/21 22:18 UTC