(95626) 2002GZ32


Object

Object (95626) 2002GZ32
Diameter(1) 238 km
Dynamic class(1) Centaur
Absolute magnitude 7.20
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460800.5
Semi major axis 22.996814 ± 0.000061 au
Eccentricity 0.217140413 ± 0.000001719
Inclination 15.046290134 ± 0.000006682 °
Longitude of ascending node 107.294810 ± 0.000012 °
Argument of perihelia 155.376438 ± 0.000182 °
Mean anomaly 18.718219 ± 0.000065 °
Orbital period 110.28 yr

Ephemeris & Observations

Ephemeris version NIMAv7
Observation file (documentation) omc_ast_NIMAv7.txt
bsp file 95626_2002GZ32_nima_v7.bsp
Date of first observation 1995-03-29
Date of last observation 2025-05-23
Number of observations used in the fit 425
Number of rejected observations 3
Number of DES observations 0
Number of MPC observations 410
Number of unpublished observations 18
RMS of observations 0.239 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2024-01 0.021 0.010
2024-07 0.031 0.013
2025-01 0.032 0.012
2025-07 0.047 0.014
2026-01 0.045 0.014
2026-07 0.065 0.016
2027-01 0.062 0.015
2027-07 0.086 0.018
2028-01 0.080 0.017

Ephemeris comparison

residual plot

Difference between NIMAv7 and JPL31 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.

Previous NIMA versions