(678191) 2017OF69
Object
| Object |
(678191) 2017OF69 |
| Diameter(1) |
662 km |
| Dynamic class(1) |
plutino |
| Absolute magnitude |
4.42 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
39.412054 ± 0.001761 au |
| Eccentricity |
0.214401802 ± 0.000015220 |
| Inclination |
13.656747418 ± 0.000009180 ° |
| Longitude of ascending node |
218.841694 ± 0.000571 ° |
| Argument of perihelia |
216.165444 ± 0.010449 ° |
| Mean anomaly |
259.217582 ± 0.013036 ° |
| Orbital period |
247.43 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv11 |
| Observation file (documentation) |
omc_ast_NIMAv11.txt |
| bsp file |
678191_2017OF69_nima_v11.bsp |
| Date of first observation |
2012-06-10 |
| Date of last observation |
2025-07-04 |
| Number of observations used in the fit |
398 |
| Number of rejected observations |
0 |
| Number of DES observations |
0 |
| Number of MPC observations |
367 |
| Number of unpublished observations |
31 |
| RMS of observations |
0.203 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv11 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.065 |
0.050 |
| 2024-07 |
0.069 |
0.051 |
| 2025-01 |
0.091 |
0.061 |
| 2025-07 |
0.097 |
0.063 |
| 2026-01 |
0.122 |
0.073 |
| 2026-07 |
0.132 |
0.076 |
| 2027-01 |
0.158 |
0.085 |
| 2027-07 |
0.173 |
0.090 |
| 2028-01 |
0.198 |
0.098 |
Ephemeris comparison
Difference between NIMAv11 and JPL39 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