(468861) 2013LU28
This object has a more recent orbit available here
Object
Object | (468861) 2013LU28 |
Diameter(1) | 106 km |
Dynamic class(1) | Centaur? |
Absolute magnitude | 8.30 |
G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
Epoch (Julian date) | 2459000.5 |
Semi major axis | 187.042319 ± 0.035172 au |
Eccentricity | 0.953295337 ± 0.000008601 |
Inclination | 125.350447406 ± 0.000016243 ° |
Longitude of ascending node | 275.966511 ± 0.000061 ° |
Argument of perihelia | 153.000803 ± 0.000451 ° |
Mean anomaly | 359.428905 ± 0.000163 ° |
Orbital period | 2558.10 yr |
Ephemeris & Observations
Ephemeris version | NIMAv2 |
Observation file |
omc_ast_NIMAv2.txt |
bsp file | 468861_2013LU28_nima_v2.bsp |
Date of first observation | 2013-06-08 |
Date of last observation | 2021-01-19 |
Number of observations used in the fit | 450 |
Number of rejected observations | 4 |
Number of DES observations | 0 |
Number of MPC observations | 399 |
Number of unpublished observations | 55 |
RMS of observations | 0.304 arcsec |
Residuals

Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2020-01 | 0.065 | 0.072 |
2020-07 | 0.072 | 0.044 |
2021-01 | 0.065 | 0.062 |
2021-07 | 0.205 | 0.070 |
2022-01 | 0.192 | 0.097 |
2022-07 | 0.467 | 0.104 |
2023-01 | 0.554 | 0.113 |
2023-07 | 0.770 | 0.415 |
2024-01 | 1.027 | 0.573 |
Ephemeris comparison

Difference between NIMAv2 and JPL14 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.