(174567) Varda
Object
| Object |
(174567) Varda |
| Diameter(1) |
740 km |
| Dynamic class(1) |
cubewano-hot |
| Absolute magnitude |
3.47 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
45.548036 ± 0.000180 au |
| Eccentricity |
0.143725836 ± 0.000005216 |
| Inclination |
21.515537286 ± 0.000007509 ° |
| Longitude of ascending node |
184.167179 ± 0.000082 ° |
| Argument of perihelia |
184.877564 ± 0.001304 ° |
| Mean anomaly |
276.056051 ± 0.001745 ° |
| Orbital period |
307.41 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv15 |
| Observation file (documentation) |
omc_ast_NIMAv15.txt |
| bsp file |
174567_Varda_nima_v15.bsp |
| Date of first observation |
1980-03-19 |
| Date of last observation |
2024-08-11 |
| Number of observations used in the fit |
874 |
| Number of rejected observations |
22 |
| Number of DES observations |
0 |
| Number of MPC observations |
283 |
| Number of unpublished observations |
207 |
| RMS of observations |
0.104 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv15 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.028 |
0.014 |
| 2024-07 |
0.031 |
0.015 |
| 2025-01 |
0.036 |
0.016 |
| 2025-07 |
0.039 |
0.017 |
| 2026-01 |
0.044 |
0.018 |
| 2026-07 |
0.048 |
0.019 |
| 2027-01 |
0.053 |
0.020 |
| 2027-07 |
0.058 |
0.021 |
| 2028-01 |
0.063 |
0.022 |
Ephemeris comparison
Difference between NIMAv15 and JPL17 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