(4867) Polites
Object
| Object |
(4867) Polites |
| Diameter(1) |
64 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
9.97 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
5.174584 ± 0.000000 au |
| Eccentricity |
0.018545920 ± 0.000000006 |
| Inclination |
27.152382942 ± 0.000000259 ° |
| Longitude of ascending node |
335.183681 ± 0.000000 ° |
| Argument of perihelia |
283.875142 ± 0.000021 ° |
| Mean anomaly |
115.914499 ± 0.000020 ° |
| Orbital period |
11.77 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv3 |
| Observation file (documentation) |
omc_ast_NIMAv3.txt |
| bsp file |
4867_Polites_nima_v3.bsp |
| Date of first observation |
1988-09-10 |
| Date of last observation |
2024-07-13 |
| Number of observations used in the fit |
3571 |
| Number of rejected observations |
44 |
| Number of DES observations |
0 |
| Number of MPC observations |
3195 |
| Number of unpublished observations |
1 |
| RMS of observations |
0.129 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) |
| 2024-01 |
0.002 |
0.003 |
| 2024-07 |
0.004 |
0.004 |
| 2025-01 |
0.004 |
0.004 |
| 2025-07 |
0.006 |
0.003 |
| 2026-01 |
0.006 |
0.005 |
| 2026-07 |
0.007 |
0.001 |
| 2027-01 |
0.011 |
0.001 |
| 2027-07 |
0.008 |
0.003 |
| 2028-01 |
0.010 |
0.007 |
Ephemeris comparison
Difference between NIMAv3 and JPL53 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