(612911) 2004XR190
Object
| Object |
(612911) 2004XR190 |
| Diameter(1) |
485 km |
| Dynamic class(1) |
otherTNO |
| Absolute magnitude |
4.40 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
57.791163 ± 0.004292 au |
| Eccentricity |
0.106709524 ± 0.000044657 |
| Inclination |
46.503294938 ± 0.000154549 ° |
| Longitude of ascending node |
252.311858 ± 0.000038 ° |
| Argument of perihelia |
280.649607 ± 0.029058 ° |
| Mean anomaly |
286.390298 ± 0.029313 ° |
| Orbital period |
439.34 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv5 |
| Observation file (documentation) |
omc_ast_NIMAv5.txt |
| bsp file |
612911_2004XR190_nima_v5.bsp |
| Date of first observation |
2002-12-06 |
| Date of last observation |
2023-10-11 |
| Number of observations used in the fit |
202 |
| Number of rejected observations |
1 |
| Number of DES observations |
0 |
| Number of MPC observations |
121 |
| Number of unpublished observations |
82 |
| RMS of observations |
0.139 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.076 |
0.059 |
| 2024-07 |
0.118 |
0.067 |
| 2025-01 |
0.101 |
0.083 |
| 2025-07 |
0.143 |
0.089 |
| 2026-01 |
0.130 |
0.111 |
| 2026-07 |
0.171 |
0.115 |
| 2027-01 |
0.161 |
0.141 |
| 2027-07 |
0.203 |
0.144 |
| 2028-01 |
0.195 |
0.175 |
Ephemeris comparison
Difference between NIMAv5 and JPL13 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.
Previous NIMA versions