(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 | 39.216938 ± 0.000375 au |
| Eccentricity | 0.071657516 ± 0.000006585 |
| Inclination | 14.818596526 ± 0.000073667 ° |
| Longitude of ascending node | 302.629079 ± 0.000363 ° |
| Argument of perihelia | 111.024794 ± 0.005255 ° |
| Mean anomaly | 23.483880 ± 0.004636 ° |
| Orbital period | 245.59 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv8 |
| Observation file |
omc_ast_NIMAv8.txt |
| bsp file | 84922_2003VS2_nima_v8.bsp |
| Date of first observation | 1991-09-17 |
| Date of last observation | 2019-03-30 |
| Number of observations used in the fit | 290 |
| Number of rejected observations | 29 |
| Number of DES observations | 0 |
| Number of MPC observations | 205 |
| Number of unpublished observations | 113 |
| RMS of observations | 0.251 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.062 | 0.030 |
| 2019-07 | 0.067 | 0.032 |
| 2020-01 | 0.078 | 0.036 |
| 2020-07 | 0.084 | 0.038 |
| 2021-01 | 0.097 | 0.043 |
| 2021-07 | 0.102 | 0.045 |
| 2022-01 | 0.116 | 0.050 |
| 2022-07 | 0.121 | 0.052 |
| 2023-01 | 0.136 | 0.057 |
Ephemeris comparison
Difference between NIMAv8 and JPL30 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.