(17365) Thymbraeus
Object
Object |
(17365) Thymbraeus |
Diameter(1) |
45 km |
Dynamic class(1) |
trojan |
Absolute magnitude |
10.57 |
G slop |
0.15 |
Orbital elements
Epoch (Julian date) |
2460600.5 |
Semi major axis |
5.267533 ± 0.000000 au |
Eccentricity |
0.078339358 ± 0.000000017 |
Inclination |
11.644109527 ± 0.000000375 ° |
Longitude of ascending node |
252.111804 ± 0.000003 ° |
Argument of perihelia |
118.080247 ± 0.000012 ° |
Mean anomaly |
354.159080 ± 0.000018 ° |
Orbital period |
12.09 yr |
Ephemeris & Observations
Ephemeris version |
NIMAv2 |
Observation file (documentation) |
omc_ast_NIMAv2.txt |
bsp file |
17365_Thymbraeus_nima_v2.bsp |
Date of first observation |
1954-11-23 |
Date of last observation |
2024-07-13 |
Number of observations used in the fit |
3255 |
Number of rejected observations |
194 |
Number of DES observations |
0 |
Number of MPC observations |
2965 |
Number of unpublished observations |
0 |
RMS of observations |
0.146 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date |
σα (arcsec) |
σδ (arcsec) |
2024-01 |
0.021 |
0.009 |
2024-07 |
0.031 |
0.011 |
2025-01 |
0.030 |
0.011 |
2025-07 |
0.034 |
0.006 |
2026-01 |
0.040 |
0.008 |
2026-07 |
0.033 |
0.002 |
2027-01 |
0.046 |
0.004 |
2027-07 |
0.031 |
0.007 |
2028-01 |
0.042 |
0.013 |
Ephemeris comparison
Difference between NIMAv2 and JPL48 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