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
2021-12-27 18:13:53 s 1 -176439.61 3 +198044.97 5590.0 C57
2021-12-27 18:23:53 S 08 05 26.933 +10 13 02.60 V C57
2021-12-27 18:23:53 s 1 -176551.44 6 +197386.98 2470.0 C57
2021-12-27 18:33:53 S 08 05 26.162 +10 12 45.90 V C57
2021-12-27 18:33:53 s 1 -176662.08 4 +196727.67 3820.0 C57
2021-12-27 18:43:53 S 08 05 25.294 +10 12 30.35 V C57
2021-12-27 18:43:53 s 1 -176771.52 0 +196067.02 9630.0 C57
2021-12-27 18:53:53 S 08 05 24.523 +10 12 14.04 V C57
2021-12-27 18:53:53 s 1 -176879.74 9 +195405.04 9860.0 C57
2021-12-27 19:03:53 S 08 05 23.698 +10 11 57.77 V C57
2021-12-27 19:03:53 s 1 -176986.76 5 +194741.73 4490.0 C57
2021-12-27 19:13:53 S 08 05 22.769 +10 11 42.04 V C57
2021-12-27 19:13:53 s 1 -177092.56 2 +194077.08 3500.0 C57
2021-12-27 19:23:53 S 08 05 22.022 +10 11 25.48 V C57
2021-12-27 19:23:53 s 1 -177197.13 3 +193411.09 6850.0 C57
2021-12-27 19:33:53 S 08 05 21.247 +10 11 08.34 V C57
2021-12-27 19:33:53 s 1 -177300.47 4 +192743.77 4530.0 C57
2021-12-27 19:43:53 S 08 05 20.422 +10 10 53.76 V C57
2021-12-27 19:43:53 s 1 -177402.57 7 +192075.10 6510.0 C57
2021-12-27 19:53:53 S 08 05 19.591 +10 10 37.70 V C57
2021-12-27 19:53:53 s 1 -177503.43 8 +191405.10 2750.0 C57
2021-12-27 20:03:53 S 08 05 18.850 +10 10 22.04 V C57
2021-12-27 20:03:53 s 1 -177603.04 9 +190733.75 3240.0 C57
2021-12-27 20:13:53 S 08 05 18.070 +10 10 07.10 V C57
2021-12-27 20:13:53 s 1 -177701.40 5 +190061.06 7940.0 C57
2021-12-27 20:23:53 S 08 05 17.258 +10 09 49.10 V C57
2021-12-27 20:23:53 s 1 -177798.50 0 +189387.03 6830.0 C57
2021-12-27 20:33:53 S 08 05 16.370 +10 09 32.04 V C57
2021-12-27 20:33:53 s 1 -177894.32 7 +188711.66 9880.0 C57
2021-12-27 20:43:53 S 08 05 15.595 +10 09 16.99 V C57
2021-12-27 20:43:53 s 1 -177988.88 0 +188034.93 7070.0 C57
2021-12-27 20:53:53 S 08 05 14.688 +10 09 00.22 V C57
2021-12-27 20:53:53 s 1 -178082.15 2 +187356.86 8360.0 C57
2021-12-27 21:03:53 S 08 05 13.985 +10 08 44.30 V C57
2021-12-27 21:03:53 s 1 -178174.13 9 +186677.45 3730.0 C57
2021-12-27 21:13:53 S 08 05 13.099 +10 08 27.85 V C57
2021-12-27 21:13:53 s 1 -178264.83 2 +185996.68 3150.0 C57
2021-12-27 21:23:53 S 08 05 12.276 +10 08 12.41 V C57
2021-12-27 21:23:53 s 1 -178354.22 6 +185314.56 6600.0 C57
2021-12-27 21:33:53 S 08 05 11.472 +10 07 55.42 V C57
2021-12-27 21:33:53 s 1 -178442.31 4 +184631.09 4040.0 C57
2021-12-27 21:43:53 S 08 05 10.649 +10 07 40.08 V C57
2021-12-27 21:43:53 s 1 -178529.09 0 +183946.27 5440.0 C57
2021-12-27 21:53:53 S 08 05 09.821 +10 07 23.66 V C57
2021-12-27 21:53:53 s 1 -178614.54 7 +183260.09 780.0 C57
2021-12-27 22:03:53 S 08 05 09.067 +10 07 08.18 V C57
2021-12-27 22:03:53 s 1 -178698.67 8 +182572.56 20.0 C57
2021-12-27 22:13:53 S 08 05 08.182 +10 06 52.16 V C57
2021-12-27 22:13:53 s 1 -178781.47 8 +181883.68 3150.0 C57
2021-12-27 22:23:53 S 08 05 07.423 +10 06 36.07 V C57