(225088) 2007OR10
This object has a more recent orbit available here
Object
| Object | (225088) 2007OR10 |
| Diameter(1) | 1535 km |
| Dynamic class(1) | res3:10 |
| Absolute magnitude | 1.80 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 67.376929 ± 0.005563 au |
| Eccentricity | 0.502875129 ± 0.000097052 |
| Inclination | 30.739379860 ± 0.002891120 ° |
| Longitude of ascending node | 336.843569 ± 0.000598 ° |
| Argument of perihelia | 207.547190 ± 0.009899 ° |
| Mean anomaly | 105.265176 ± 0.032061 ° |
| Orbital period | 553.06 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 225088_2007OR10_nima_v3.bsp |
| Date of first observation | 1985-08-19 |
| Date of last observation | 2015-09-20 |
| Number of observations used in the fit | 171 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 159 |
| Number of unpublished observations | 12 |
| RMS of observations | 0.221 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.098 | 0.117 |
| 2018-07 | 0.127 | 0.138 |
| 2019-01 | 0.119 | 0.144 |
| 2019-07 | 0.152 | 0.169 |
| 2020-01 | 0.142 | 0.174 |
| 2020-07 | 0.180 | 0.202 |
| 2021-01 | 0.166 | 0.206 |
| 2021-07 | 0.209 | 0.237 |
| 2022-01 | 0.192 | 0.241 |
Ephemeris comparison
Difference between NIMAv3 and JPL5 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.