(470599) 2008OG19
This object has a more recent orbit available here
Object
| Object | (470599) 2008OG19 |
| Diameter(1) | 509 km |
| Dynamic class(1) | SDO |
| Absolute magnitude | 4.93 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
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 |
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| Number of unpublished observations | 89 |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.