(470599) 2008OG19
Object
| Object |
(470599) 2008OG19 |
| Diameter(1) |
406 km |
| Dynamic class(1) |
SDO |
| Absolute magnitude |
4.91 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
66.457270 ± 0.003528 au |
| Eccentricity |
0.419070675 ± 0.000027370 |
| Inclination |
13.143334924 ± 0.000040158 ° |
| Longitude of ascending node |
164.104483 ± 0.000126 ° |
| Argument of perihelia |
141.121753 ± 0.001846 ° |
| Mean anomaly |
7.512595 ± 0.000884 ° |
| Orbital period |
541.78 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv13 |
| Observation file (documentation) |
omc_ast_NIMAv13.txt |
| bsp file |
470599_2008OG19_nima_v13.bsp |
| Date of first observation |
2008-07-30 |
| Date of last observation |
2024-10-04 |
| Number of observations used in the fit |
537 |
| Number of rejected observations |
10 |
| Number of DES observations |
0 |
| Number of MPC observations |
458 |
| Number of unpublished observations |
89 |
| RMS of observations |
0.141 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv13 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.075 |
0.048 |
| 2024-07 |
0.109 |
0.053 |
| 2025-01 |
0.099 |
0.053 |
| 2025-07 |
0.140 |
0.058 |
| 2026-01 |
0.127 |
0.058 |
| 2026-07 |
0.174 |
0.065 |
| 2027-01 |
0.158 |
0.063 |
| 2027-07 |
0.213 |
0.071 |
| 2028-01 |
0.194 |
0.069 |
Ephemeris comparison
Difference between NIMAv13 and JPL26 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