(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 | 47.084935 ± 0.001807 au |
Eccentricity | 0.246901972 ± 0.000024033 |
Inclination | 38.182174553 ± 0.000039425 ° |
Longitude of ascending node | 328.556378 ± 0.000080 ° |
Argument of perihelia | 131.722164 ± 0.001966 ° |
Mean anomaly | 4.294138 ± 0.001053 ° |
Orbital period | 323.10 yr |
Ephemeris & Observations
Ephemeris version | NIMAv6 |
Observation file |
omc_ast_NIMAv6.txt |
bsp file | 230965_2004XA192_nima_v6.bsp |
Date of first observation | 1989-08-29 |
Date of last observation | 2023-01-28 |
Number of observations used in the fit | 506 |
Number of rejected observations | 7 |
Number of DES observations | 0 |
Number of MPC observations | 486 |
Number of unpublished observations | 27 |
RMS of observations | 0.194 arcsec |
Residuals

Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2023-01 | 0.071 | 0.067 |
2023-07 | 0.068 | 0.082 |
2024-01 | 0.088 | 0.084 |
2024-07 | 0.081 | 0.101 |
2025-01 | 0.106 | 0.105 |
2025-07 | 0.097 | 0.122 |
2026-01 | 0.126 | 0.129 |
2026-07 | 0.114 | 0.147 |
2027-01 | 0.148 | 0.157 |
Ephemeris comparison

Difference between NIMAv6 and JPL19 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.