(58931) Palmys
Object
| Object |
(58931) Palmys |
| Diameter(1) |
28 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
11.68 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
5.251461 ± 0.000000 au |
| Eccentricity |
0.098852162 ± 0.000000019 |
| Inclination |
16.411218035 ± 0.000001652 ° |
| Longitude of ascending node |
119.564511 ± 0.000004 ° |
| Argument of perihelia |
134.263199 ± 0.000013 ° |
| Mean anomaly |
113.411674 ± 0.000008 ° |
| Orbital period |
12.03 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv8 |
| Observation file (documentation) |
omc_ast_NIMAv8.txt |
| bsp file |
58931_Palmys_nima_v8.bsp |
| Date of first observation |
1993-01-21 |
| Date of last observation |
2024-12-21 |
| Number of observations used in the fit |
2146 |
| Number of rejected observations |
14 |
| Number of DES observations |
18 |
| Number of MPC observations |
1769 |
| Number of unpublished observations |
88 |
| RMS of observations |
0.118 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 |
0.010 |
0.005 |
| 2024-07 |
0.016 |
0.008 |
| 2025-01 |
0.015 |
0.007 |
| 2025-07 |
0.018 |
0.009 |
| 2026-01 |
0.020 |
0.009 |
| 2026-07 |
0.019 |
0.009 |
| 2027-01 |
0.025 |
0.010 |
| 2027-07 |
0.021 |
0.007 |
| 2028-01 |
0.030 |
0.010 |
Ephemeris comparison
Difference between NIMAv8 and JPL44 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