(32615) 2001QU277
Object
Object |
(32615) 2001QU277 |
Diameter(1) |
38 km |
Dynamic class(1) |
trojan |
Absolute magnitude |
11.17 |
G slop |
0.15 |
Orbital elements
Epoch (Julian date) |
2460600.5 |
Semi major axis |
5.148402 ± 0.000000 au |
Eccentricity |
0.032605069 ± 0.000000022 |
Inclination |
17.559679620 ± 0.000001053 ° |
Longitude of ascending node |
100.403889 ± 0.000003 ° |
Argument of perihelia |
228.327072 ± 0.000037 ° |
Mean anomaly |
3.729579 ± 0.000043 ° |
Orbital period |
11.68 yr |
Ephemeris & Observations
Ephemeris version |
NIMAv6 |
Observation file (documentation) |
omc_ast_NIMAv6.txt |
bsp file |
32615_2001QU277_nima_v6.bsp |
Date of first observation |
1977-10-06 |
Date of last observation |
2024-07-07 |
Number of observations used in the fit |
2873 |
Number of rejected observations |
293 |
Number of DES observations |
7 |
Number of MPC observations |
2840 |
Number of unpublished observations |
1 |
RMS of observations |
0.109 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date |
σα (arcsec) |
σδ (arcsec) |
2024-01 |
0.025 |
0.004 |
2024-07 |
0.040 |
0.009 |
2025-01 |
0.032 |
0.007 |
2025-07 |
0.038 |
0.017 |
2026-01 |
0.037 |
0.015 |
2026-07 |
0.035 |
0.017 |
2027-01 |
0.041 |
0.020 |
2027-07 |
0.033 |
0.014 |
2028-01 |
0.045 |
0.019 |
Ephemeris comparison
Difference between NIMAv6 and JPL51 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