(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 | 46.812920 ± 0.006467 au |
| Eccentricity | 0.242392184 ± 0.000084029 |
| Inclination | 38.149524529 ± 0.000227027 ° |
| Longitude of ascending node | 328.612067 ± 0.001345 ° |
| Argument of perihelia | 132.562249 ± 0.008732 ° |
| Mean anomaly | 0.122475 ± 0.004406 ° |
| Orbital period | 320.30 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv2 |
| Observation file |
omc_ast_NIMAv2.txt |
| bsp file | 230965_2004XA192_nima_v2.bsp |
| Date of first observation | 1989-08-29 |
| Date of last observation | 2016-12-31 |
| Number of observations used in the fit | 61 |
| Number of rejected observations | 6 |
| Number of DES observations | 0 |
| Number of MPC observations | 40 |
| Number of unpublished observations | 27 |
| RMS of observations | 0.329 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.072 | 0.070 |
| 2018-07 | 0.090 | 0.190 |
| 2019-01 | 0.102 | 0.100 |
| 2019-07 | 0.104 | 0.228 |
| 2020-01 | 0.146 | 0.144 |
| 2020-07 | 0.132 | 0.276 |
| 2021-01 | 0.201 | 0.202 |
| 2021-07 | 0.173 | 0.336 |
| 2022-01 | 0.265 | 0.273 |
Ephemeris comparison
Difference between NIMAv2 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.