(470599) 2008OG19
This object has a more recent orbit available here
Object
| Object | (470599) 2008OG19 |
| Diameter(1) | 400 km |
| Dynamic class(1) | SDO |
| Absolute magnitude | 4.91 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
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 |
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| Number of unpublished observations | 89 |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.