(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 (documentation) 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Number of unpublished observations 27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

residual plot

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

residual plot

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.