(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 | 0.022867381 ± 0.000000027 |
| Inclination | 6.927692657 ± 0.000000630 ° |
| Longitude of ascending node | 120.119046 ± 0.000005 ° |
| Argument of perihelia | 18.050159 ± 0.000045 ° |
| Mean anomaly | 275.696266 ± 0.000043 ° |
| Orbital period | 11.86 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv4 |
| Observation file |
omc_ast_NIMAv4.txt |
| bsp file | 11089_1994CS8_nima_v4.bsp |
| Date of first observation | 1988-09-11 |
| Date of last observation | 2022-07-11 |
| Number of observations used in the fit | 2802 |
| Number of rejected observations | 14 |
| Number of DES observations | 0 |
| Number of MPC observations | 2458 |
| Number of unpublished observations | 70 |
| RMS of observations | 0.127 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.021 | 0.004 |
| 2022-07 | 0.031 | 0.004 |
| 2023-01 | 0.022 | 0.002 |
| 2023-07 | 0.031 | 0.005 |
| 2024-01 | 0.022 | 0.004 |
| 2024-07 | 0.028 | 0.010 |
| 2025-01 | 0.023 | 0.007 |
| 2025-07 | 0.026 | 0.010 |
| 2026-01 | 0.025 | 0.010 |
Ephemeris comparison
Difference between NIMAv4 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.