Heliocentric orbit | Photometry | Position 2022/03/21 22:18 UTC |
DES class = CLASSICAL | HV = 7.0±0.5 | +00:41:48.88 -00:42:25.3 |
<a> = 43.02 (AU) | V = 23.5 (V2 = 24.5) | Uncertainty = 0.4 (arcsec) |
<e> = 0.067 | Δmag = 0.44 | Rates: +3.372, +1.483 ("/hr) |
<i> = 3.30 (degrees) | B-V = NULL | |
Perihelion = 2118 | V-R = NULL | Opposition: October |
Aphelion = 1976 |
Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
2007/05/22 04.87389 | HST/WFPC2-PC | +23:42:47.19 | -06:48:07.4 | 45.58955 | +0.66008 | 0.00239 | +0.36322 | 0.00107 |
2009/12/12 06.92159 | Keck 2/NIRC2 | +23:44:56.68 | -06:42:46.2 | 45.06164 | +1.05979 | 0.00300 | +0.05931 | 0.00623 |
2012/08/24 13.15694 | Gemini/NIRI | +00:03:32.65 | -04:52:56.5 | 44.14322 | -0.19407 | 0.05000 | +0.02380 | 0.05000 |
2014/08/19 12.59635 | Keck 2/NIRC2 | +00:12:39.59 | -03:56:23.2 | 44.13578 | +1.03595 | 0.00182 | +0.06786 | 0.00488 |
2015/09/05 10.23210 | Keck 2/NIRC2 | +00:16:04.82 | -03:36:29.9 | 43.97926 | +1.17822 | 0.00500 | +0.33769 | 0.00500 |
Comments: Orbit published here.
Parameter | Value | Units |
P period | 1675±3 | days |
a semimajor axis | 26800±300 | kilometers |
e eccentricity | 0.588±0.008 | dimensionless |
i inclination | 32.9±0.4 | degrees |
ε mean longitude at epoch | 58.5±0.8 | degrees |
Ω longitude of ascending node | 55±1 | degrees |
ϖ longitude of periapsis | 247±2 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2457000.0
Last updated: 2022/03/21 22:18 UTC