(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 | 4.30 |
G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
Epoch (Julian date) | 2460600.5 |
Semi major axis | 47.438972 ± 0.001822 au |
Eccentricity | 0.252433066 ± 0.000023916 |
Inclination | 38.112895133 ± 0.000038601 ° |
Longitude of ascending node | 328.646397 ± 0.000078 ° |
Argument of perihelia | 131.913339 ± 0.001847 ° |
Mean anomaly | 6.496579 ± 0.000942 ° |
Orbital period | 326.75 yr |
Ephemeris & Observations
Ephemeris version | NIMAv7 |
Observation file |
omc_ast_NIMAv7.txt |
bsp file | 230965_2004XA192_nima_v7.bsp |
Date of first observation | 1989-08-29 |
Date of last observation | 2024-04-25 |
Number of observations used in the fit | 555 |
Number of rejected observations | 7 |
Number of DES observations | 0 |
Number of MPC observations | 535 |
Number of unpublished observations | 27 |
RMS of observations | 0.188 arcsec |
Residuals

Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2024-01 | 0.082 | 0.079 |
2024-07 | 0.076 | 0.094 |
2025-01 | 0.100 | 0.098 |
2025-07 | 0.091 | 0.114 |
2026-01 | 0.119 | 0.121 |
2026-07 | 0.107 | 0.137 |
2027-01 | 0.139 | 0.147 |
2027-07 | 0.124 | 0.163 |
2028-01 | 0.161 | 0.176 |
Ephemeris comparison

Difference between NIMAv7 and JPL23 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.