20460 Robwhiteley (1999 LO28)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4117741619 ± 8.13e-09
Semi-major axis (a)1.8767110841 AU ± 8.20e-10
Inclination (i)33.95480643° ± 1.54e-06
Long. of Asc. Node (Ω)279.99013513° ± 1.68e-06
Arg. of Perihelion (ω)283.73590783° ± 2.65e-06
Mean Anomaly (M)136.81888080° ± 1.43e-06
Mean Motion (n)0.3833682547°/day ± 2.51e-10
Perihelion dist (q)1.10392995 AU ± 1.53e-08
Aphelion dist (Q)2.64949222 AU ± 1.53e-08
Orbital Period2.57096479 yr ± 1.68e-09
Physical Parameters
H (abs. magnitude)15.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.226″
Uncertainty0
Orbit TypeAmor
MOID0.328801 AU
Observations Used4939
Gaia Obs Used150
Oppositions38
Arc Total1954-2025
First Observation Used1954-12-30
Last Observation Used2025-12-09
Observations (8282)
Date Type RA Dec Mag Band Observatory
2021-12-13 17:33:54 s 1 -166580.11 9 +228852.04 7710.0 C57
2021-12-13 17:43:54 S 08 23 44.770 +17 52 04.26 V C57
2021-12-13 17:43:54 s 1 -166741.45 3 +228252.90 1510.0 C57
2021-12-13 17:53:54 S 08 23 44.364 +17 51 54.54 V C57
2021-12-13 17:53:54 s 1 -166901.83 2 +227652.44 1010.0 C57
2021-12-13 18:03:54 S 08 23 43.855 +17 51 40.79 V C57
2021-12-13 18:03:54 s 1 -167061.24 9 +227050.68 6200.0 C57
2021-12-13 18:13:54 S 08 23 43.512 +17 51 30.10 V C57
2021-12-13 18:13:54 s 1 -167219.70 2 +226447.60 7060.0 C57
2021-12-13 18:23:54 S 08 23 43.255 +17 51 19.01 V C57
2021-12-13 18:23:54 s 1 -167377.18 5 +225843.21 3560.0 C57
2021-12-13 18:43:54 S 08 23 42.487 +17 50 53.59 V C57
2021-12-13 18:43:54 s 1 -167689.22 4 +224630.49 3440.0 C57
2021-12-13 18:53:54 S 08 23 42.098 +17 50 42.61 V C57
2021-12-13 18:53:54 s 1 -167843.77 0 +224022.15 6780.0 C57
2021-12-13 19:13:54 S 08 23 41.177 +17 50 19.00 V C57
2021-12-13 19:13:54 s 1 -168149.89 4 +222801.51 140.0 C57
2021-12-13 19:23:54 S 08 23 40.735 +17 50 07.76 V C57
2021-12-13 19:23:54 s 1 -168301.46 1 +222189.21 120.0 C57
2021-12-13 19:33:54 S 08 23 40.378 +17 49 57.29 V C57
2021-12-13 19:33:54 s 1 -168452.02 6 +221575.58 5620.0 C57
2021-12-13 19:53:54 S 08 23 39.626 +17 49 30.94 V C57
2021-12-13 19:53:54 s 1 -168750.13 0 +220344.35 3050.0 C57
2021-12-13 20:03:54 S 08 23 39.348 +17 49 18.77 V C57
2021-12-13 20:03:54 s 1 -168897.65 9 +219726.75 4960.0 C57
2021-12-13 20:13:54 S 08 23 38.794 +17 49 08.08 V C57
2021-12-13 20:13:54 s 1 -169044.16 6 +219107.81 2290.0 C57
2021-12-13 20:23:54 S 08 23 38.438 +17 48 55.51 V C57
2021-12-13 20:23:54 s 1 -169189.64 7 +218487.55 5020.0 C57
2021-12-13 20:33:54 S 08 23 37.961 +17 48 42.16 V C57
2021-12-13 20:33:54 s 1 -169334.09 5 +217865.95 3140.0 C57
2021-12-13 20:43:54 S 08 23 37.560 +17 48 33.05 V C57
2021-12-13 20:43:54 s 1 -169477.50 7 +217243.02 6630.0 C57
2021-12-13 21:03:54 S 08 23 36.864 +17 48 09.18 V C57
2021-12-13 21:03:54 s 1 -169761.20 2 +215993.14 9620.0 C57
2021-12-13 21:13:54 S 08 23 36.410 +17 47 57.77 V C57
2021-12-13 21:13:54 s 1 -169901.47 3 +215366.20 9070.0 C57
2021-12-13 21:23:54 S 08 23 36.182 +17 47 46.79 V C57
2021-12-13 21:23:54 s 1 -170040.68 9 +214737.92 3810.0 C57
2021-12-13 21:33:54 S 08 23 35.618 +17 47 34.73 V C57
2021-12-13 21:33:54 s 1 -170178.84 2 +214108.29 3800.0 C57
2021-12-13 21:43:54 S 08 23 35.189 +17 47 20.58 V C57
2021-12-13 21:43:54 s 1 -170315.92 8 +213477.33 9030.0 C57
2021-12-13 21:53:54 S 08 23 34.802 +17 47 10.46 V C57
2021-12-13 21:53:54 s 1 -170451.94 1 +212845.01 9470.0 C57
2021-12-13 22:03:54 S 08 23 34.469 +17 46 58.84 V C57
2021-12-13 22:03:54 s 1 -170586.87 7 +212211.35 5100.0 C57
2021-12-13 22:13:54 S 08 23 34.001 +17 46 46.09 V C57
2021-12-13 22:13:54 s 1 -170720.73 0 +211576.35 5910.0 C57
2021-12-13 22:23:54 S 08 23 33.619 +17 46 35.00 V C57