(84922) 2003VS2


Object

Object (84922) 2003VS2
Diameter(1) 524 km
Dynamic class(1) plutino
Absolute magnitude 3.98
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460800.5
Semi major axis 39.716416 ± 0.000328 au
Eccentricity 0.081959964 ± 0.000005997
Inclination 14.765944858 ± 0.000008812 °
Longitude of ascending node 302.768729 ± 0.000036 °
Argument of perihelia 114.706326 ± 0.001849 °
Mean anomaly 28.365289 ± 0.001757 °
Orbital period 250.30 yr

Ephemeris & Observations

Ephemeris version NIMAv13
Observation file (documentation) omc_ast_NIMAv13.txt
bsp file 84922_2003VS2_nima_v13.bsp
Date of first observation 1991-09-17
Date of last observation 2024-12-29
Number of observations used in the fit 461
Number of rejected observations 14
Number of DES observations 0
Number of MPC observations 335
Number of unpublished observations 140
RMS of observations 0.245 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv13 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2024-01 0.022 0.010
2024-07 0.022 0.011
2025-01 0.026 0.012
2025-07 0.028 0.013
2026-01 0.032 0.014
2026-07 0.034 0.016
2027-01 0.039 0.017
2027-07 0.041 0.018
2028-01 0.046 0.020

Ephemeris comparison

residual plot

Difference between NIMAv13 and JPL39 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.

Previous NIMA versions