(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 | 46.817351 ± 0.001707 au |
| Eccentricity | 0.242450316 ± 0.000023002 |
| Inclination | 38.149486995 ± 0.000119130 ° |
| Longitude of ascending node | 328.612166 ± 0.000300 ° |
| Argument of perihelia | 132.558112 ± 0.002237 ° |
| Mean anomaly | 0.124853 ± 0.001175 ° |
| Orbital period | 320.35 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv4 |
| Observation file |
omc_ast_NIMAv4.txt |
| bsp file | 230965_2004XA192_nima_v4.bsp |
| Date of first observation | 1989-08-29 |
| Date of last observation | 2020-11-14 |
| Number of observations used in the fit | 416 |
| Number of rejected observations | 7 |
| Number of DES observations | 0 |
| Number of MPC observations | 396 |
| Number of unpublished observations | 27 |
| RMS of observations | 0.185 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.055 | 0.052 |
| 2021-07 | 0.057 | 0.064 |
| 2022-01 | 0.069 | 0.065 |
| 2022-07 | 0.068 | 0.079 |
| 2023-01 | 0.085 | 0.081 |
| 2023-07 | 0.082 | 0.097 |
| 2024-01 | 0.103 | 0.101 |
| 2024-07 | 0.098 | 0.118 |
| 2025-01 | 0.124 | 0.124 |
Ephemeris comparison
Difference between NIMAv4 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.