(612911) 2004XR190
Object
| Object |
(612911) 2004XR190 |
| Diameter(1) |
500 km |
| Dynamic class(1) |
otherTNO |
| Absolute magnitude |
4.37 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
57.826779 ± 0.004277 au |
| Eccentricity |
0.107753833 ± 0.000044165 |
| Inclination |
46.506410520 ± 0.000153682 ° |
| Longitude of ascending node |
252.313051 ± 0.000038 ° |
| Argument of perihelia |
280.483401 ± 0.028599 ° |
| Mean anomaly |
287.115651 ± 0.028852 ° |
| Orbital period |
439.75 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv6 |
| Observation file (documentation) |
omc_ast_NIMAv6.txt |
| bsp file |
612911_2004XR190_nima_v6.bsp |
| Date of first observation |
2002-12-06 |
| Date of last observation |
2024-12-06 |
| Number of observations used in the fit |
212 |
| Number of rejected observations |
1 |
| Number of DES observations |
0 |
| Number of MPC observations |
131 |
| Number of unpublished observations |
82 |
| RMS of observations |
0.139 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.075 |
0.058 |
| 2024-07 |
0.116 |
0.066 |
| 2025-01 |
0.099 |
0.082 |
| 2025-07 |
0.140 |
0.089 |
| 2026-01 |
0.127 |
0.109 |
| 2026-07 |
0.168 |
0.114 |
| 2027-01 |
0.158 |
0.139 |
| 2027-07 |
0.200 |
0.143 |
| 2028-01 |
0.192 |
0.172 |
Ephemeris comparison
Difference between NIMAv6 and JPL14 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