(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 | 39.216835 ± 0.000417 au |
| Eccentricity | 0.071655496 ± 0.000007258 |
| Inclination | 14.818598071 ± 0.000082194 ° |
| Longitude of ascending node | 302.629072 ± 0.000384 ° |
| Argument of perihelia | 111.025311 ± 0.006115 ° |
| Mean anomaly | 23.483532 ± 0.005405 ° |
| Orbital period | 245.59 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv7 |
| Observation file |
omc_ast_NIMAv7.txt |
| bsp file | 84922_2003VS2_nima_v7.bsp |
| Date of first observation | 1991-09-17 |
| Date of last observation | 2016-12-30 |
| Number of observations used in the fit | 269 |
| Number of rejected observations | 27 |
| Number of DES observations | 0 |
| Number of MPC observations | 205 |
| Number of unpublished observations | 91 |
| RMS of observations | 0.260 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.055 | 0.024 |
| 2018-07 | 0.061 | 0.027 |
| 2019-01 | 0.074 | 0.031 |
| 2019-07 | 0.080 | 0.033 |
| 2020-01 | 0.094 | 0.038 |
| 2020-07 | 0.100 | 0.040 |
| 2021-01 | 0.115 | 0.045 |
| 2021-07 | 0.121 | 0.047 |
| 2022-01 | 0.138 | 0.053 |
Ephemeris comparison
Difference between NIMAv7 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.