(469442) 2002GG166
Object
| Object |
(469442) 2002GG166 |
| Diameter(1) |
117 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
8.23 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460400.5 |
| Semi major axis |
34.372629 ± 0.001392 au |
| Eccentricity |
0.589447326 ± 0.000010236 |
| Inclination |
7.716641141 ± 0.000053668 ° |
| Longitude of ascending node |
33.047797 ± 0.000105 ° |
| Argument of perihelia |
275.296759 ± 0.001719 ° |
| Mean anomaly |
351.064416 ± 0.000731 ° |
| Orbital period |
201.52 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv1 |
| Observation file (documentation) |
omc_ast_NIMAv1.txt |
| bsp file |
469442_2002GG166_nima_v1.bsp |
| Date of first observation |
2000-05-05 |
| Date of last observation |
2020-07-14 |
| Number of observations used in the fit |
308 |
| Number of rejected observations |
0 |
| Number of DES observations |
0 |
| Number of MPC observations |
308 |
| Number of unpublished observations |
0 |
| RMS of observations |
0.127 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2023-01 |
0.438 |
0.123 |
| 2023-07 |
0.524 |
0.162 |
| 2024-01 |
0.653 |
0.135 |
| 2024-07 |
0.830 |
0.173 |
| 2025-01 |
0.937 |
0.143 |
| 2025-07 |
1.238 |
0.172 |
| 2026-01 |
1.296 |
0.176 |
| 2026-07 |
1.747 |
0.225 |
| 2027-01 |
1.727 |
0.287 |
Ephemeris comparison
Difference between NIMAv1 and JPL11 in right ascension (weighted by cos δ) and in declination.
Gray area represents the 1-σ uncertainty of NIMA ephemeris. Green dots represent the DES observations.