(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 |
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Number of unpublished observations | 41 |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
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
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.