Heliocentric orbit | Photometry | Position 2022/03/21 22:19 UTC |
DES class = CLASSICAL | HV = 6.0±0.5 | +08:10:10.02 +23:24:58.2 |
<a> = 43.97 (AU) | V = 22.7 (V2 = 24.1) | Uncertainty = 0.1 (arcsec) |
<e> = 0.079 | Δmag = 1.04 | Rates: -1.345, +0.118 ("/hr) |
<i> = 3.04 (degrees) | B-V = NULL | |
Perihelion = 2136 | V-R = NULL | Opposition: January |
Aphelion = 1992 |
Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
2008/11/08 23.03417 | HST/WFPC2-PC | +07:17:27.40 | +24:29:08.9 | 47.06077 | +0.54048 | 0.00305 | +0.21496 | 0.00231 |
2012/04/12 06.45708 | Gemini/NIRI | +07:23:37.02 | +24:32:47.5 | 47.50413 | -0.20554 | 0.01025 | +0.21393 | 0.01467 |
2012/11/06 14.37823 | Gemini/NIRI | +07:36:19.33 | +24:10:13.8 | 47.04377 | +0.73134 | 0.01126 | +0.12065 | 0.01142 |
2015/04/05 07.93032 | Keck/NIRC2 | +07:37:30.48 | +24:18:15.3 | 47.21099 | -0.02954 | 0.00384 | +0.33680 | 0.00148 |
2017/12/09 13.57786 | Keck/NIRC2 | +07:58:25.97 | +23:40:32.1 | 46.47696 | +0.78493 | 0.00300 | +0.09090 | 0.00381 |
Comments: Orbit published here.
Parameter | Value | Units |
P period | 371.1±0.2 | days |
a semimajor axis | 22400±400 | kilometers |
e eccentricity | 0.71±0.02 | dimensionless |
i inclination | 29±2 | degrees |
ε mean longitude at epoch | 274±3 | degrees |
Ω longitude of ascending node | 278±2 | degrees |
ϖ longitude of periapsis | 70±1 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2457000.0
Last updated: 2022/03/21 22:19 UTC