(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 6.90
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458600.5
Semi major axis 23.257023 ± 0.000148 au
Eccentricity 0.225562106 ± 0.000004048
Inclination 15.005777558 ± 0.000021157 °
Longitude of ascending node 107.308931 ± 0.000153 °
Argument of perihelia 155.302856 ± 0.000257 °
Mean anomaly 359.079053 ± 0.000259 °
Orbital period 112.16 yr

Ephemeris & Observations

Ephemeris version NIMAv3
Observation file (documentation) omc_ast_NIMAv3.txt
bsp file 95626_2002GZ32_nima_v3.bsp
Date of first observation 1995-03-29
Date of last observation 2021-09-20
Number of observations used in the fit 393
Number of rejected observations 3
Number of DES observations 0
Number of MPC observations 389
Number of unpublished observations 7
RMS of observations 0.238 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2021-01 0.013 0.008
2021-07 0.017 0.010
2022-01 0.026 0.010
2022-07 0.037 0.012
2023-01 0.046 0.012
2023-07 0.065 0.014
2024-01 0.071 0.014
2024-07 0.100 0.017
2025-01 0.103 0.016

Ephemeris comparison

residual plot

Difference between NIMAv3 and JPL26 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.