(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 | 183.385715 ± 0.014161 au |
| Eccentricity | 0.952322302 ± 0.000003635 |
| Inclination | 125.312039658 ± 0.000007186 ° |
| Longitude of ascending node | 276.050330 ± 0.000013 ° |
| Argument of perihelia | 152.981439 ± 0.000112 ° |
| Mean anomaly | 0.047184 ± 0.000005 ° |
| Orbital period | 2483.46 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv10 |
| Observation file |
omc_ast_NIMAv10.txt |
| bsp file | 468861_2013LU28_nima_v10.bsp |
| Date of first observation | 2013-06-08 |
| Date of last observation | 2024-05-08 |
| Number of observations used in the fit | 2159 |
| Number of rejected observations | 9 |
| Number of DES observations | 0 |
| Number of MPC observations | 1412 |
| Number of unpublished observations | 756 |
| RMS of observations | 0.235 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.036 | 0.029 |
| 2024-07 | 0.031 | 0.036 |
| 2025-01 | 0.049 | 0.056 |
| 2025-07 | 0.057 | 0.077 |
| 2026-01 | 0.099 | 0.135 |
| 2026-07 | 0.095 | 0.141 |
| 2027-01 | 0.157 | 0.229 |
| 2027-07 | 0.139 | 0.211 |
| 2028-01 | 0.213 | 0.310 |
Ephemeris comparison
Difference between NIMAv10 and JPL33 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.