(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 | 4.05 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 69.297974 ± 0.001932 au |
| Eccentricity | 0.531593661 ± 0.000011859 |
| Inclination | 29.489420569 ± 0.000019389 ° |
| Longitude of ascending node | 346.325196 ± 0.000066 ° |
| Argument of perihelia | 284.906864 ± 0.000694 ° |
| Mean anomaly | 349.756510 ± 0.000558 ° |
| Orbital period | 576.88 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv12 |
| Observation file |
omc_ast_NIMAv12.txt |
| bsp file | 471143_Dziewanna_nima_v12.bsp |
| Date of first observation | 2002-03-15 |
| Date of last observation | 2021-09-04 |
| Number of observations used in the fit | 447 |
| Number of rejected observations | 2 |
| Number of DES observations | 0 |
| Number of MPC observations | 199 |
| Number of unpublished observations | 250 |
| RMS of observations | 0.179 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) |
| 2022-01 | 0.035 | 0.021 |
| 2022-07 | 0.032 | 0.026 |
| 2023-01 | 0.046 | 0.028 |
| 2023-07 | 0.045 | 0.035 |
| 2024-01 | 0.060 | 0.036 |
| 2024-07 | 0.061 | 0.043 |
| 2025-01 | 0.078 | 0.044 |
| 2025-07 | 0.079 | 0.053 |
| 2026-01 | 0.099 | 0.051 |
Ephemeris comparison
Difference between NIMAv12 and JPL7 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.