(470599) 2008OG19
Object
| Object |
(470599) 2008OG19 |
| Diameter(1) |
400 km |
| Dynamic class(1) |
SDO |
| Absolute magnitude |
4.91 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
66.648618 ± 0.003551 au |
| Eccentricity |
0.420649756 ± 0.000027406 |
| Inclination |
13.135087157 ± 0.000040313 ° |
| Longitude of ascending node |
164.117262 ± 0.000127 ° |
| Argument of perihelia |
141.222740 ± 0.001872 ° |
| Mean anomaly |
7.072417 ± 0.000866 ° |
| Orbital period |
544.12 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv12 |
| Observation file (documentation) |
omc_ast_NIMAv12.txt |
| bsp file |
470599_2008OG19_nima_v12.bsp |
| Date of first observation |
2008-07-30 |
| Date of last observation |
2024-07-04 |
| Number of observations used in the fit |
520 |
| Number of rejected observations |
10 |
| Number of DES observations |
0 |
| Number of MPC observations |
441 |
| Number of unpublished observations |
89 |
| RMS of observations |
0.142 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv12 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.077 |
0.049 |
| 2024-07 |
0.111 |
0.053 |
| 2025-01 |
0.101 |
0.053 |
| 2025-07 |
0.143 |
0.059 |
| 2026-01 |
0.130 |
0.058 |
| 2026-07 |
0.178 |
0.065 |
| 2027-01 |
0.162 |
0.064 |
| 2027-07 |
0.217 |
0.072 |
| 2028-01 |
0.198 |
0.069 |
Ephemeris comparison
Difference between NIMAv12 and JPL24 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