(174567) Varda
This object has a more recent orbit available here
Object
| Object | (174567) Varda |
| Diameter(1) | 740 km |
| Dynamic class(1) | cubewano-hot |
| Absolute magnitude | 3.47 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 45.574408 ± 0.000180 au |
| Eccentricity | 0.144476312 ± 0.000005226 |
| Inclination | 21.517360234 ± 0.000007536 ° |
| Longitude of ascending node | 184.215560 ± 0.000082 ° |
| Argument of perihelia | 184.635646 ± 0.001294 ° |
| Mean anomaly | 275.703572 ± 0.001737 ° |
| Orbital period | 307.67 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv14 |
| Observation file |
omc_ast_NIMAv14.txt |
| bsp file | 174567_Varda_nima_v14.bsp |
| Date of first observation | 1980-03-19 |
| Date of last observation | 2024-06-12 |
| Number of observations used in the fit | 871 |
| Number of rejected observations | 22 |
| Number of DES observations | 0 |
| Number of MPC observations | 280 |
| Number of unpublished observations | 207 |
| RMS of observations | 0.104 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 | 0.028 | 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 NIMAv14 and JPL16 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.