(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) |
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 (documentation) |
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| Number of unpublished observations |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.
Previous NIMA versions