(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 | 4.31 |
G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
Epoch (Julian date) | 2459800.5 |
Semi major axis | 47.085029 ± 0.001810 au |
Eccentricity | 0.246903137 ± 0.000024064 |
Inclination | 38.182175519 ± 0.000039654 ° |
Longitude of ascending node | 328.556376 ± 0.000080 ° |
Argument of perihelia | 131.721969 ± 0.001989 ° |
Mean anomaly | 4.294240 ± 0.001066 ° |
Orbital period | 323.10 yr |
Ephemeris & Observations
Ephemeris version | NIMAv5 |
Observation file |
omc_ast_NIMAv5.txt |
bsp file | 230965_2004XA192_nima_v5.bsp |
Date of first observation | 1989-08-29 |
Date of last observation | 2022-03-02 |
Number of observations used in the fit | 498 |
Number of rejected observations | 7 |
Number of DES observations | 0 |
Number of MPC observations | 478 |
Number of unpublished observations | 27 |
RMS of observations | 0.191 arcsec |
Residuals

Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2022-01 | 0.058 | 0.054 |
2022-07 | 0.057 | 0.068 |
2023-01 | 0.072 | 0.068 |
2023-07 | 0.069 | 0.084 |
2024-01 | 0.089 | 0.086 |
2024-07 | 0.083 | 0.103 |
2025-01 | 0.108 | 0.107 |
2025-07 | 0.099 | 0.125 |
2026-01 | 0.128 | 0.131 |
Ephemeris comparison

Difference between NIMAv5 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.