(471143) Dziewanna
Object
| Object |
(471143) Dziewanna |
| Diameter(1) |
470 km |
| Dynamic class(1) |
res2:7 |
| Absolute magnitude |
4.06 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
68.678011 ± 0.001869 au |
| Eccentricity |
0.527054359 ± 0.000011522 |
| Inclination |
29.471318635 ± 0.000018834 ° |
| Longitude of ascending node |
346.223930 ± 0.000065 ° |
| Argument of perihelia |
284.917965 ± 0.000683 ° |
| Mean anomaly |
351.004211 ± 0.000504 ° |
| Orbital period |
569.16 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv14 |
| Observation file (documentation) |
omc_ast_NIMAv14.txt |
| bsp file |
471143_Dziewanna_nima_v14.bsp |
| Date of first observation |
2002-03-15 |
| Date of last observation |
2024-05-31 |
| Number of observations used in the fit |
464 |
| Number of rejected observations |
2 |
| Number of DES observations |
0 |
| Number of MPC observations |
214 |
| Number of unpublished observations |
252 |
| RMS of observations |
0.193 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv14 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.053 |
0.033 |
| 2024-07 |
0.053 |
0.039 |
| 2025-01 |
0.068 |
0.040 |
| 2025-07 |
0.069 |
0.047 |
| 2026-01 |
0.085 |
0.047 |
| 2026-07 |
0.088 |
0.055 |
| 2027-01 |
0.105 |
0.053 |
| 2027-07 |
0.109 |
0.063 |
| 2028-01 |
0.128 |
0.059 |
Ephemeris comparison
Difference between NIMAv14 and JPL11 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.
Previous NIMA versions