(471143) Dziewanna
This object has a more recent orbit available here
Object
| Object | (471143) Dziewanna |
| Diameter(1) | 470 km |
| Dynamic class(1) | res2:7 |
| Absolute magnitude | 3.90 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 70.558131 ± 0.003220 au |
| Eccentricity | 0.539038490 ± 0.000017093 |
| Inclination | 29.460966156 ± 0.000200571 ° |
| Longitude of ascending node | 346.212713 ± 0.000281 ° |
| Argument of perihelia | 284.360266 ± 0.001847 ° |
| Mean anomaly | 348.215054 ± 0.001083 ° |
| Orbital period | 592.69 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 471143_Dziewanna_nima_v5.bsp |
| Date of first observation | 2002-03-15 |
| Date of last observation | 2018-07-15 |
| Number of observations used in the fit | 300 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 147 |
| Number of unpublished observations | 153 |
| RMS of observations | 0.191 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.062 | 0.012 |
| 2018-07 | 0.010 | 0.010 |
| 2019-01 | 0.075 | 0.019 |
| 2019-07 | 0.021 | 0.020 |
| 2020-01 | 0.094 | 0.030 |
| 2020-07 | 0.040 | 0.035 |
| 2021-01 | 0.118 | 0.043 |
| 2021-07 | 0.065 | 0.052 |
| 2022-01 | 0.148 | 0.058 |
Ephemeris comparison
Difference between NIMAv5 and JPL5 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.