(468861) 2013LU28
Object
| Object |
(468861) 2013LU28 |
| Diameter(1) |
125 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
8.40 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
182.567496 ± 0.008028 au |
| Eccentricity |
0.952103640 ± 0.000002088 |
| Inclination |
125.311719158 ± 0.000006569 ° |
| Longitude of ascending node |
276.050631 ± 0.000003 ° |
| Argument of perihelia |
153.039777 ± 0.000048 ° |
| Mean anomaly |
0.126984 ± 0.000008 ° |
| Orbital period |
2466.85 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv15 |
| Observation file (documentation) |
omc_ast_NIMAv15.txt |
| bsp file |
468861_2013LU28_nima_v15.bsp |
| Date of first observation |
2013-06-08 |
| Date of last observation |
2025-05-09 |
| Number of observations used in the fit |
2901 |
| Number of rejected observations |
64 |
| Number of DES observations |
0 |
| Number of MPC observations |
2026 |
| Number of unpublished observations |
913 |
| RMS of observations |
0.227 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv15 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 |
0.013 |
| 2024-07 |
0.012 |
0.007 |
| 2025-01 |
0.011 |
0.004 |
| 2025-07 |
0.005 |
0.012 |
| 2026-01 |
0.016 |
0.029 |
| 2026-07 |
0.019 |
0.036 |
| 2027-01 |
0.042 |
0.069 |
| 2027-07 |
0.039 |
0.066 |
| 2028-01 |
0.070 |
0.108 |
Ephemeris comparison
Difference between NIMAv15 and JPL38 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