(230965) 2004XA192
This object has a more recent orbit available here
Object
| Object | (230965) 2004XA192 |
| Diameter(1) | 339 km |
| Dynamic class(1) | otherTNO |
| Absolute magnitude | 4.20 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 46.816339 ± 0.005815 au |
| Eccentricity | 0.242436106 ± 0.000076120 |
| Inclination | 38.149510287 ± 0.000225031 ° |
| Longitude of ascending node | 328.612142 ± 0.001150 ° |
| Argument of perihelia | 132.557996 ± 0.007450 ° |
| Mean anomaly | 0.124929 ± 0.003762 ° |
| Orbital period | 320.33 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 230965_2004XA192_nima_v3.bsp |
| Date of first observation | 1989-08-29 |
| Date of last observation | 2018-10-27 |
| Number of observations used in the fit | 78 |
| Number of rejected observations | 6 |
| Number of DES observations | 0 |
| Number of MPC observations | 57 |
| Number of unpublished observations | 27 |
| RMS of observations | 0.318 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) |
| 2019-01 | 0.114 | 0.110 |
| 2019-07 | 0.124 | 0.198 |
| 2020-01 | 0.148 | 0.142 |
| 2020-07 | 0.145 | 0.238 |
| 2021-01 | 0.191 | 0.187 |
| 2021-07 | 0.176 | 0.287 |
| 2022-01 | 0.242 | 0.243 |
| 2022-07 | 0.214 | 0.346 |
| 2023-01 | 0.300 | 0.312 |
Ephemeris comparison
Difference between NIMAv3 and JPL6 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.