(468861) 2013LU28
Object
| Object |
(468861) 2013LU28 |
| Diameter(1) |
120 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
8.45 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
183.374990 ± 0.008121 au |
| Eccentricity |
0.952319568 ± 0.000002094 |
| Inclination |
125.312041349 ± 0.000006569 ° |
| Longitude of ascending node |
276.050339 ± 0.000003 ° |
| Argument of perihelia |
152.981556 ± 0.000048 ° |
| Mean anomaly |
0.047188 ± 0.000003 ° |
| Orbital period |
2483.24 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv14 |
| Observation file (documentation) |
omc_ast_NIMAv14.txt |
| bsp file |
468861_2013LU28_nima_v14.bsp |
| Date of first observation |
2013-06-08 |
| Date of last observation |
2025-02-18 |
| Number of observations used in the fit |
2627 |
| Number of rejected observations |
63 |
| Number of DES observations |
0 |
| Number of MPC observations |
1751 |
| Number of unpublished observations |
913 |
| RMS of observations |
0.227 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv14 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 |
0.067 |
| 2028-01 |
0.070 |
0.108 |
Ephemeris comparison
Difference between NIMAv14 and JPL36 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