(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 | 3.98 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 39.489597 ± 0.000324 au |
| Eccentricity | 0.078653769 ± 0.000005910 |
| Inclination | 14.812295990 ± 0.000008865 ° |
| Longitude of ascending node | 302.644376 ± 0.000036 ° |
| Argument of perihelia | 111.218741 ± 0.002033 ° |
| Mean anomaly | 27.730023 ± 0.001945 ° |
| Orbital period | 248.16 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv12 |
| Observation file |
omc_ast_NIMAv12.txt |
| bsp file | 84922_2003VS2_nima_v12.bsp |
| Date of first observation | 1991-09-17 |
| Date of last observation | 2022-12-01 |
| Number of observations used in the fit | 455 |
| Number of rejected observations | 14 |
| Number of DES observations | 0 |
| Number of MPC observations | 329 |
| Number of unpublished observations | 140 |
| RMS of observations | 0.238 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv12 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 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 | 0.026 | 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 |
Ephemeris comparison
Difference between NIMAv12 and JPL36 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.