(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 (documentation) 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Number of unpublished observations 27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

residual plot

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

residual plot

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.