(95626) 2002GZ32


This object has a more recent orbit available here

Object

Object (95626) 2002GZ32
Diameter(1) 237 km
Dynamic class(1) Centaur
Absolute magnitude 7.19
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2459800.5
Semi major axis 23.138938 ± 0.000144 au
Eccentricity 0.221443496 ± 0.000003882
Inclination 15.017357831 ± 0.000008159 °
Longitude of ascending node 107.300839 ± 0.000017 °
Argument of perihelia 156.036094 ± 0.000459 °
Mean anomaly 9.258344 ± 0.000207 °
Orbital period 111.31 yr

Ephemeris & Observations

Ephemeris version NIMAv4
Observation file (documentation) omc_ast_NIMAv4.txt
bsp file 95626_2002GZ32_nima_v4.bsp
Date of first observation 1995-03-29
Date of last observation 2021-09-20
Number of observations used in the fit 401
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 397
Number of unpublished observations 6
RMS of observations 0.244 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2022-01 0.026 0.010
2022-07 0.037 0.012
2023-01 0.045 0.012
2023-07 0.065 0.014
2024-01 0.071 0.014
2024-07 0.100 0.016
2025-01 0.102 0.016
2025-07 0.143 0.018
2026-01 0.140 0.017

Ephemeris comparison

residual plot

Difference between NIMAv4 and JPL27 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.