(84922) 2003VS2


This object has a more recent orbit available here

Object

Object (84922) 2003VS2
Diameter(1) 523 km
Dynamic class(1) plutino
Absolute magnitude 4.20
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458600.5
Semi major axis 39.216843 ± 0.000299 au
Eccentricity 0.071656175 ± 0.000005447
Inclination 14.818612448 ± 0.000035214 °
Longitude of ascending node 302.629003 ± 0.000237 °
Argument of perihelia 111.022550 ± 0.002233 °
Mean anomaly 23.485968 ± 0.002100 °
Orbital period 245.59 yr

Ephemeris & Observations

Ephemeris version NIMAv10
Observation file (documentation) omc_ast_NIMAv10.txt
bsp file 84922_2003VS2_nima_v10.bsp
Date of first observation 1991-09-17
Date of last observation 2020-07-29
Number of observations used in the fit 421
Number of rejected observations 14
Number of DES observations 0
Number of MPC observations 295
Number of unpublished observations 140
RMS of observations 0.218 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2021-01 0.014 0.006
2021-07 0.010 0.007
2022-01 0.016 0.007
2022-07 0.013 0.008
2023-01 0.018 0.009
2023-07 0.017 0.010
2024-01 0.022 0.010
2024-07 0.022 0.011
2025-01 0.027 0.012

Ephemeris comparison

residual plot

Difference between NIMAv10 and JPL33 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.