(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 5.58
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2459800.5
Semi major axis 39.337298 ± 0.000899 au
Eccentricity 0.290159585 ± 0.000013334
Inclination 16.323687466 ± 0.000012655 °
Longitude of ascending node 199.664550 ± 0.000094 °
Argument of perihelia 206.745685 ± 0.000980 °
Mean anomaly 30.594436 ± 0.001519 °
Orbital period 246.73 yr

Ephemeris & Observations

Ephemeris version NIMAv9
Observation file (documentation) omc_ast_NIMAv9.txt
bsp file 55638_2002VE95_nima_v9.bsp
Date of first observation 1990-10-12
Date of last observation 2019-12-24
Number of observations used in the fit 455
Number of rejected observations 1
Number of DES observations 0
Number of MPC observations 388
Number of unpublished observations 68
RMS of observations 0.198 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv9 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2022-01 0.089 0.031
2022-07 0.096 0.030
2023-01 0.113 0.036
2023-07 0.118 0.034
2024-01 0.139 0.041
2024-07 0.143 0.038
2025-01 0.168 0.047
2025-07 0.170 0.042
2026-01 0.199 0.053

Ephemeris comparison

residual plot

Difference between NIMAv9 and JPL18 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.