Gonggong (225088 2007 OR10)
System parameters
| Heliocentric orbit | Photometry |
Position 2022/03/21 22:18 UTC |
| DES class = 10:3EEEEEEE |
HV = 2.2±0.5 |
+22:28:15.44 -11:08:46.3 |
| <a> = 67.19 (AU) |
V = 21.7 (V2 = 25.9) |
Uncertainty = 0.0 (arcsec) |
| <e> = 0.448 |
Δmag = 4.20 |
Rates: +1.534, +0.634 ("/hr) |
| <i> = 34.68 (degrees) |
B-V = NULL |
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| Perihelion = 2409 |
V-R = NULL |
Opposition: August |
| Aphelion = 2133 |
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Astrometric observations
| Observation time (UTC) | Observatory/Instrument | RA | DEC |
Δ (AU) | Δx (arcsec) |
Δx error | Δy (arcsec) |
Δy error |
| 2009/11/06 17.21663 |
HST/WFC3 |
+22:14:19.34 |
-14:45:01.7 |
85.26055 |
+0.01345 |
0.00374 |
-0.45157 |
0.00110 |
| 2010/09/18 15.97319 |
HST/WFC3 |
+22:16:30.31 |
-14:24:45.5 |
85.26055 |
-0.21949 |
0.00341 |
+0.12703 |
0.00574 |
| 2017/10/03 16.25880 |
HST/WFC3 |
+22:22:02.00 |
-12:34:44.6 |
87.06755 |
-0.16538 |
0.00765 |
+0.15347 |
0.01518 |
| 2017/10/11 08.49024 |
HST/WFC3 |
+22:21:48.18 |
-12:35:40.6 |
87.16141 |
-0.25816 |
0.00728 |
-0.40461 |
0.00468 |
| 2017/10/18 05.80344 |
HST/WFC3 |
+22:21:37.35 |
-12:36:20.9 |
87.25623 |
+0.12990 |
0.00051 |
-0.36509 |
0.00206 |
| 2017/12/05 06.07224 |
HST/WFC3 |
+22:21:15.01 |
-12:35:45.7 |
88.07528 |
-0.01446 |
0.00596 |
-0.44834 |
0.00117 |
| plus proprietary data |
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Orbital knowledge
Comments: Orbit published here. Mirror ambiguity remains.
| Parameter |
Value |
Units |
| P period | 25.222±0.002 | days |
| a semimajor axis | 24100±300 | kilometers |
| e eccentricity | 0.29±0.01 | dimensionless |
Breaking the mirror ambiguity...
Last updated: 2022/03/21 22:18 UTC