508869 (2002 VT130)
System parameters
| Heliocentric orbit | Photometry |
Position 2022/03/21 22:19 UTC |
| DES class = CLASSICAL |
HV = 6.0±0.5 |
+05:30:06.01 +24:21:08.0 |
| <a> = 42.49 (AU) |
V = 22.4 (V2 = 23.4) |
Uncertainty = 0.1 (arcsec) |
| <e> = 0.034 |
Δmag = 0.44 |
Rates: +1.113, -0.021 ("/hr) |
| <i> = 2.78 (degrees) |
B-V = 1.5±0.1 |
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| Perihelion = 2207 |
V-R = 0.56±0.07 |
Opposition: December |
| Aphelion = 2069 |
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Astrometric observations
| Observation time (UTC) | Observatory/Instrument | RA | DEC |
Δ (AU) | Δx (arcsec) |
Δx error | Δy (arcsec) |
Δy error |
| 2008/09/21 22.30750 |
HST/WFPC2-PC |
+04:27:04.20 |
+22:54:30.8 |
42.46232 |
+0.04279 |
0.00193 |
-0.06875 |
0.00146 |
| 2009/12/12 09.28742 |
Keck 2/NIRC2 |
+04:27:14.37 |
+22:55:48.0 |
41.89353 |
-0.05189 |
0.00211 |
+0.05859 |
0.00100 |
| 2012/10/28 10.55097 |
Gemini/NIRI |
+04:47:46.08 |
+23:35:03.1 |
42.15427 |
-0.08611 |
0.00394 |
-0.02911 |
0.00300 |
| 2013/08/23 14.28236 |
Gemini/NIRI |
+04:54:24.51 |
+23:44:00.3 |
43.20481 |
-0.00060 |
0.00300 |
+0.08863 |
0.00300 |
| 2013/10/24 09.42420 |
Keck 2/NIRC2 |
+04:53:39.52 |
+23:44:22.4 |
42.24394 |
+0.00025 |
0.00159 |
+0.09116 |
0.00125 |
| 2013/10/25 09.95043 |
Keck 2/NIRC2 |
+04:53:35.85 |
+23:44:17.8 |
42.23212 |
-0.01757 |
0.00100 |
+0.08214 |
0.00100 |
| plus proprietary data |
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Orbital knowledge
Comments: Orbit published here.
| Parameter |
Value |
Units |
| P period | 30.7542±0.0006 | days |
| a semimajor axis | 3110±60 | kilometers |
| e eccentricity | 0.014±0.008 | dimensionless |
Breaking the mirror ambiguity...
Last updated: 2022/03/21 22:19 UTC