(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 39.054131 ± 0.001090 au
Eccentricity 0.284513216 ± 0.000016553
Inclination 16.336711472 ± 0.000164631 °
Longitude of ascending node 199.864968 ± 0.000345 °
Argument of perihelia 206.366480 ± 0.001274 °
Mean anomaly 26.268057 ± 0.001626 °
Orbital period 244.07 yr

Ephemeris & Observations

Ephemeris version NIMAv7
Observation file (documentation) omc_ast_NIMAv7.txt
bsp file 55638_2002VE95_nima_v7.bsp
Date of first observation 1990-10-12
Date of last observation 2019-03-25
Number of observations used in the fit 311
Number of rejected observations 3
Number of DES observations 0
Number of MPC observations 258
Number of unpublished observations 56
RMS of observations 0.219 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)
2019-01 0.049 0.017
2019-07 0.066 0.022
2020-01 0.075 0.022
2020-07 0.091 0.025
2021-01 0.105 0.028
2021-07 0.120 0.028
2022-01 0.139 0.034
2022-07 0.152 0.031
2023-01 0.176 0.041

Ephemeris comparison

residual plot

Difference between NIMAv7 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.