(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 | 67.486128 ± 0.004672 au |
| Eccentricity | 0.427883478 ± 0.000035169 |
| Inclination | 13.114060486 ± 0.000042874 ° |
| Longitude of ascending node | 164.153558 ± 0.000135 ° |
| Argument of perihelia | 141.229269 ± 0.002029 ° |
| Mean anomaly | 5.487413 ± 0.000968 ° |
| Orbital period | 554.41 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv10 |
| Observation file |
omc_ast_NIMAv10.txt |
| bsp file | 470599_2008OG19_nima_v10.bsp |
| Date of first observation | 2008-07-30 |
| Date of last observation | 2022-07-06 |
| Number of observations used in the fit | 433 |
| Number of rejected observations | 2 |
| Number of DES observations | 0 |
| Number of MPC observations | 362 |
| Number of unpublished observations | 73 |
| RMS of observations | 0.150 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.053 | 0.043 |
| 2022-07 | 0.069 | 0.045 |
| 2023-01 | 0.069 | 0.048 |
| 2023-07 | 0.093 | 0.050 |
| 2024-01 | 0.091 | 0.053 |
| 2024-07 | 0.123 | 0.056 |
| 2025-01 | 0.118 | 0.058 |
| 2025-07 | 0.158 | 0.062 |
| 2026-01 | 0.150 | 0.063 |
Ephemeris comparison
Difference between NIMAv10 and JPL7 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.