Heliocentric orbit | Photometry | Position 2022/03/21 22:18 UTC |
DES class = SCATNEAR | HV = 3.68±0.03 | +05:04:33.29 +03:30:00.6 |
<a> = 73.69 (AU) | V = 19.8 (V2 = 23.6) | Uncertainty = 0.0 (arcsec) |
<e> = 0.496 | Δmag = 3.79 | Rates: +1.403, +1.434 ("/hr) |
<i> = 21.38 (degrees) | B-V = NULL | |
Perihelion = 2046 | V-R = 0.62±0.05 | Opposition: December |
Aphelion = 2361 |
Observation time (UTC) | Observatory/Instrument | RA | DEC | Δ (AU) | Δx (arcsec) | Δx error | Δy (arcsec) | Δy error |
2008/11/13 06.64528 | HST/WFPC2-PC | +03:57:58.42 | -03:08:17.4 | 44.65817 | -0.08708 | 0.00371 | -0.12151 | 0.00280 |
2009/12/11 08.19085 | Keck/NIRC2 | +04:00:59.51 | -02:46:37.7 | 44.33387 | -0.13552 | 0.00600 | -0.00385 | 0.00600 |
2009/12/12 07.86932 | Keck/NIRC2 | +04:00:55.33 | -02:46:37.6 | 44.33901 | -0.18020 | 0.00600 | -0.06806 | 0.00600 |
2018/01/02 14.81575 | HST/WFC3 | +04:42:44.67 | +00:55:34.4 | 41.67363 | -0.13566 | 0.00354 | -0.13399 | 0.00139 |
2018/01/03 11.25583 | HST/WFC3 | +04:42:41.26 | +00:55:44.1 | 41.68046 | -0.08324 | 0.00394 | -0.13567 | 0.00100 |
2018/03/27 07.60542 | HST/WFC3 | +04:41:46.72 | +01:34:48.2 | 42.79690 | +0.16284 | 0.00260 | +0.08656 | 0.00100 |
2018/03/31 06.74712 | HST/WFC3 | +04:41:59.66 | +01:37:09.1 | 42.84963 | -0.05961 | 0.06000 | -0.00461 | 0.06000 |
2018/08/04 23.05375 | HST/WFC3 | +04:53:18.03 | +02:05:29.9 | 42.73237 | -0.16166 | 0.00100 | -0.10611 | 0.00151 |
Comments: Orbit from astrometric observations published here.
Parameter | Value | Units |
P period | 11.3147±0.0002 | days |
a semimajor axis | 6040±50 | kilometers |
e eccentricity | 0.024±0.007 | dimensionless |
i inclination | 43.7±0.4 | degrees |
ε mean longitude at epoch | 344±1 | degrees |
Ω longitude of ascending node | 111±1 | degrees |
ϖ longitude of periapsis | 90±20 | degrees |
Angles are referenced to J2000 equatorial coordinates.
Epoch = Julian date 2457000.0
Last updated: 2022/03/21 22:18 UTC