(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 | 10.76 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2457167.58396147 |
| Semi major axis | 5.200873 ± 0.000000 au |
| Eccentricity | 0.022867379 ± 0.000000026 |
| Inclination | 6.927692670 ± 0.000000630 ° |
| Longitude of ascending node | 120.119045 ± 0.000005 ° |
| Argument of perihelia | 18.050150 ± 0.000042 ° |
| Mean anomaly | 275.696274 ± 0.000040 ° |
| Orbital period | 11.86 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 11089_1994CS8_nima_v5.bsp |
| Date of first observation | 1988-09-11 |
| Date of last observation | 2023-07-26 |
| Number of observations used in the fit | 2904 |
| Number of rejected observations | 14 |
| Number of DES observations | 0 |
| Number of MPC observations | 2551 |
| Number of unpublished observations | 79 |
| RMS of observations | 0.127 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.020 | 0.002 |
| 2023-07 | 0.029 | 0.005 |
| 2024-01 | 0.020 | 0.004 |
| 2024-07 | 0.026 | 0.009 |
| 2025-01 | 0.021 | 0.007 |
| 2025-07 | 0.024 | 0.010 |
| 2026-01 | 0.024 | 0.009 |
| 2026-07 | 0.024 | 0.008 |
| 2027-01 | 0.028 | 0.010 |
Ephemeris comparison
Difference between NIMAv5 and JPL41 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.