(55638) 2002VE95


This object has a more recent orbit available here

Object

Object (55638) 2002VE95
Diameter(1) 250 km
Dynamic class(1) plutino
Absolute magnitude 5.30
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458600.5
Semi major axis 39.054107 ± 0.001096 au
Eccentricity 0.284512901 ± 0.000016635
Inclination 16.336710681 ± 0.000165140 °
Longitude of ascending node 199.864963 ± 0.000348 °
Argument of perihelia 206.366427 ± 0.001302 °
Mean anomaly 26.268112 ± 0.001648 °
Orbital period 244.07 yr

Ephemeris & Observations

Ephemeris version NIMAv6
Observation file (documentation) omc_ast_NIMAv6.txt
bsp file 55638_2002VE95_nima_v6.bsp
Date of first observation 1990-10-12
Date of last observation 2017-12-08
Number of observations used in the fit 296
Number of rejected observations 3
Number of DES observations 0
Number of MPC observations 258
Number of unpublished observations 41
RMS of observations 0.223 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2018-01 0.030 0.011
2018-07 0.046 0.020
2019-01 0.052 0.017
2019-07 0.069 0.023
2020-01 0.078 0.022
2020-07 0.095 0.025
2021-01 0.109 0.028
2021-07 0.125 0.028
2022-01 0.143 0.035

Ephemeris comparison

residual plot

Difference between NIMAv6 and JPL15 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.