(470599) 2008OG19
Object
| Object |
(470599) 2008OG19 |
| Diameter(1) |
509 km |
| Dynamic class(1) |
SDO |
| Absolute magnitude |
4.93 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2459800.5 |
| Semi major axis |
67.487006 ± 0.003662 au |
| Eccentricity |
0.427890069 ± 0.000027619 |
| Inclination |
13.114055668 ± 0.000040548 ° |
| Longitude of ascending node |
164.153571 ± 0.000129 ° |
| Argument of perihelia |
141.229351 ± 0.001905 ° |
| Mean anomaly |
5.487271 ± 0.000792 ° |
| Orbital period |
554.42 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv11 |
| Observation file (documentation) |
omc_ast_NIMAv11.txt |
| bsp file |
470599_2008OG19_nima_v11.bsp |
| Date of first observation |
2008-07-30 |
| Date of last observation |
2023-06-27 |
| Number of observations used in the fit |
475 |
| Number of rejected observations |
10 |
| Number of DES observations |
0 |
| Number of MPC observations |
396 |
| Number of unpublished observations |
89 |
| RMS of observations |
0.148 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) |
| 2023-01 |
0.060 |
0.045 |
| 2023-07 |
0.088 |
0.048 |
| 2024-01 |
0.080 |
0.049 |
| 2024-07 |
0.116 |
0.054 |
| 2025-01 |
0.106 |
0.054 |
| 2025-07 |
0.149 |
0.060 |
| 2026-01 |
0.135 |
0.059 |
| 2026-07 |
0.186 |
0.066 |
| 2027-01 |
0.169 |
0.064 |
Ephemeris comparison
Difference between NIMAv11 and JPL20 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