(11089) 1994CS8
Object
| Object |
(11089) 1994CS8 |
| Diameter(1) |
43 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
10.78 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
5.171109 ± 0.000000 au |
| Eccentricity |
0.021833557 ± 0.000000009 |
| Inclination |
6.936432535 ± 0.000000309 ° |
| Longitude of ascending node |
120.117093 ± 0.000002 ° |
| Argument of perihelia |
16.609552 ± 0.000022 ° |
| Mean anomaly |
220.547325 ± 0.000022 ° |
| Orbital period |
11.76 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv8 |
| Observation file (documentation) |
omc_ast_NIMAv8.txt |
| bsp file |
11089_1994CS8_nima_v8.bsp |
| Date of first observation |
1988-09-11 |
| Date of last observation |
2025-07-12 |
| Number of observations used in the fit |
3892 |
| Number of rejected observations |
16 |
| Number of DES observations |
0 |
| Number of MPC observations |
3224 |
| Number of unpublished observations |
88 |
| RMS of observations |
0.141 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.006 |
0.001 |
| 2024-07 |
0.008 |
0.003 |
| 2025-01 |
0.007 |
0.002 |
| 2025-07 |
0.009 |
0.004 |
| 2026-01 |
0.009 |
0.003 |
| 2026-07 |
0.010 |
0.004 |
| 2027-01 |
0.012 |
0.004 |
| 2027-07 |
0.011 |
0.003 |
| 2028-01 |
0.016 |
0.004 |
Ephemeris comparison
Difference between NIMAv8 and JPL55 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.
Previous NIMA versions