(7352) 1994CO
This object has a more recent orbit available here
Object
| Object | (7352) 1994CO |
| Diameter(1) | 62 km |
| Dynamic class(1) | trojan |
| Absolute magnitude | 10.00 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 5.130368 ± 0.000000 au |
| Eccentricity | 0.037684964 ± 0.000000025 |
| Inclination | 8.182753471 ± 0.000001945 ° |
| Longitude of ascending node | 130.329051 ± 0.000012 ° |
| Argument of perihelia | 126.149621 ± 0.000036 ° |
| Mean anomaly | 291.246475 ± 0.000031 ° |
| Orbital period | 11.62 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 7352_1994CO_nima_v3.bsp |
| Date of first observation | 1988-08-16 |
| Date of last observation | 2021-08-01 |
| Number of observations used in the fit | 2763 |
| Number of rejected observations | 9 |
| Number of DES observations | 9 |
| Number of MPC observations | 2535 |
| Number of unpublished observations | 49 |
| RMS of observations | 0.081 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 | 0.024 | 0.006 |
| 2021-07 | 0.035 | 0.008 |
| 2022-01 | 0.025 | 0.004 |
| 2022-07 | 0.039 | 0.005 |
| 2023-01 | 0.026 | 0.004 |
| 2023-07 | 0.034 | 0.009 |
| 2024-01 | 0.026 | 0.007 |
| 2024-07 | 0.028 | 0.010 |
| 2025-01 | 0.026 | 0.009 |
Ephemeris comparison
Difference between NIMAv3 and JPL46 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.