(11089) 1994CS8
This object has a more recent orbit available here
Object
| Object | (11089) 1994CS8 |
| Diameter(1) | 43 km |
| Dynamic class(1) | trojan |
| Absolute magnitude | 10.70 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458200.5 |
| Semi major axis | 5.192441 ± 0.000001 au |
| Eccentricity | 0.022075390 ± 0.000000110 |
| Inclination | 6.930931015 ± 0.000007561 ° |
| Longitude of ascending node | 120.108502 ± 0.000060 ° |
| Argument of perihelia | 21.462831 ± 0.000200 ° |
| Mean anomaly | 358.281573 ± 0.000214 ° |
| Orbital period | 11.83 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv1 |
| Observation file |
omc_ast_NIMAv1.txt |
| bsp file | 11089_1994CS8_nima_v1.bsp |
| Date of first observation | 1988-09-11 |
| Date of last observation | 2018-06-10 |
| Number of observations used in the fit | 1469 |
| Number of rejected observations | 5 |
| Number of DES observations | 11 |
| Number of MPC observations | 1463 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.483 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.041 | 0.031 |
| 2018-07 | 0.032 | 0.023 |
| 2019-01 | 0.047 | 0.030 |
| 2019-07 | 0.043 | 0.026 |
| 2020-01 | 0.053 | 0.029 |
| 2020-07 | 0.059 | 0.032 |
| 2021-01 | 0.058 | 0.027 |
| 2021-07 | 0.077 | 0.037 |
| 2022-01 | 0.061 | 0.024 |
Ephemeris comparison
Difference between NIMAv1 and JPL25 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.