(468861) 2013LU28
This object has a more recent orbit available here
Object
| Object | (468861) 2013LU28 |
| Diameter(1) | 120 km |
| Dynamic class(1) | Centaur |
| Absolute magnitude | 8.45 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 183.374850 ± 0.011160 au |
| Eccentricity | 0.952319533 ± 0.000002874 |
| Inclination | 125.312041260 ± 0.000006630 ° |
| Longitude of ascending node | 276.050340 ± 0.000004 ° |
| Argument of perihelia | 152.981557 ± 0.000071 ° |
| Mean anomaly | 0.047188 ± 0.000004 ° |
| Orbital period | 2483.24 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv13 |
| Observation file |
omc_ast_NIMAv13.txt |
| bsp file | 468861_2013LU28_nima_v13.bsp |
| Date of first observation | 2013-06-08 |
| Date of last observation | 2025-01-30 |
| Number of observations used in the fit | 2427 |
| Number of rejected observations | 63 |
| Number of DES observations | 0 |
| Number of MPC observations | 1552 |
| Number of unpublished observations | 912 |
| RMS of observations | 0.229 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv13 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.033 | 0.014 |
| 2024-07 | 0.014 | 0.007 |
| 2025-01 | 0.014 | 0.005 |
| 2025-07 | 0.007 | 0.018 |
| 2026-01 | 0.025 | 0.044 |
| 2026-07 | 0.031 | 0.055 |
| 2027-01 | 0.066 | 0.105 |
| 2027-07 | 0.061 | 0.100 |
| 2028-01 | 0.108 | 0.163 |
Ephemeris comparison
Difference between NIMAv13 and JPL35 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.