(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 23.257021 ± 0.000327 au
Eccentricity 0.225562122 ± 0.000008141
Inclination 15.005769424 ± 0.000059504 °
Longitude of ascending node 107.308957 ± 0.000456 °
Argument of perihelia 155.302865 ± 0.000893 °
Mean anomaly 359.079033 ± 0.000836 °
Orbital period 112.16 yr

Ephemeris & Observations

Ephemeris version NIMAv1
Observation file (documentation) omc_ast_NIMAv1.txt
bsp file 95626_2002GZ32_nima_v1.bsp
Date of first observation 1995-03-29
Date of last observation 2018-08-02
Number of observations used in the fit 388
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 389
Number of unpublished observations 1
RMS of observations 0.238 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2020-01 0.104 0.042
2020-07 0.127 0.047
2021-01 0.165 0.055
2021-07 0.208 0.063
2022-01 0.241 0.067
2022-07 0.309 0.078
2023-01 0.332 0.077
2023-07 0.429 0.088
2024-01 0.438 0.083

Ephemeris comparison

residual plot

Difference between NIMAv1 and JPL25 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.