(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 | 10.73 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2456714.230587955 |
| Semi major axis | 5.204983 ± 0.000001 au |
| Eccentricity | 0.022569131 ± 0.000000089 |
| Inclination | 6.927619264 ± 0.000006103 ° |
| Longitude of ascending node | 120.121996 ± 0.000062 ° |
| Argument of perihelia | 16.190197 ± 0.000311 ° |
| Mean anomaly | 239.889241 ± 0.000272 ° |
| Orbital period | 11.88 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 11089_1994CS8_nima_v3.bsp |
| Date of first observation | 1988-09-11 |
| Date of last observation | 2020-08-11 |
| Number of observations used in the fit | 2014 |
| Number of rejected observations | 11 |
| Number of DES observations | 11 |
| Number of MPC observations | 2014 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.424 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.037 | 0.023 |
| 2021-07 | 0.051 | 0.032 |
| 2022-01 | 0.042 | 0.023 |
| 2022-07 | 0.064 | 0.035 |
| 2023-01 | 0.045 | 0.024 |
| 2023-07 | 0.066 | 0.034 |
| 2024-01 | 0.046 | 0.024 |
| 2024-07 | 0.058 | 0.032 |
| 2025-01 | 0.046 | 0.024 |
Ephemeris comparison
Difference between NIMAv3 and JPL39 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.