IAA RAS IAA Minor Planet Database

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 00:43:54 s 1 -146051.56 2 +282866.54 2360.0 – C57
2021-12-13 00:53:54 S 08 24 23.563 +18 11 45.06 – V C57
2021-12-13 00:53:54 s 1 -146290.14 8 +282392.55 7680.0 – C57
2021-12-13 01:03:54 S 08 24 23.179 +18 11 31.24 – V C57
2021-12-13 01:03:54 s 1 -146528.12 7 +281917.39 190.0 – C57
2021-12-13 01:13:54 S 08 24 22.742 +18 11 20.69 – V C57
2021-12-13 01:13:54 s 1 -146765.49 4 +281441.06 9880.0 – C57
2021-12-13 01:23:54 S 08 24 22.349 +18 11 09.49 – V C57
2021-12-13 01:23:54 s 1 -147002.24 7 +280963.54 6720.0 – C57
2021-12-13 01:33:54 S 08 24 22.109 +18 10 58.51 – V C57
2021-12-13 01:33:54 s 1 -147238.38 4 +280484.85 720.0 – C57
2021-12-13 01:43:54 S 08 24 21.763 +18 10 46.56 – V C57
2021-12-13 01:43:54 s 1 -147473.90 2 +280004.97 1870.0 – C57
2021-12-13 01:53:54 S 08 24 21.216 +18 10 34.00 – V C57
2021-12-13 01:53:54 s 1 -147708.79 8 +279523.91 140.0 – C57
2021-12-13 02:03:54 S 08 24 20.923 +18 10 23.59 – V C57
2021-12-13 02:03:54 s 1 -147943.06 9 +279041.67 5530.0 – C57
2021-12-13 02:13:54 S 08 24 20.587 +18 10 10.13 – V C57
2021-12-13 02:13:54 s 1 -148176.71 4 +278558.25 8030.0 – C57
2021-12-13 02:23:54 S 08 24 20.138 +18 10 00.52 – V C57
2021-12-13 02:23:54 s 1 -148409.72 8 +278073.64 7620.0 – C57
2021-12-13 02:33:54 S 08 24 19.627 +18 09 48.74 – V C57
2021-12-13 02:33:54 s 1 -148642.11 0 +277587.84 4300.0 – C57
2021-12-13 02:43:54 S 08 24 19.430 +18 09 35.96 – V C57
2021-12-13 02:43:54 s 1 -148873.85 7 +277100.86 8050.0 – C57
2021-12-13 02:53:54 S 08 24 19.061 +18 09 24.88 – V C57
2021-12-13 02:53:54 s 1 -149104.96 6 +276612.68 8860.0 – C57
2021-12-13 03:03:54 S 08 24 18.732 +18 09 12.35 – V C57
2021-12-13 03:03:54 s 1 -149335.43 3 +276123.32 6720.0 – C57
2021-12-13 03:13:54 S 08 24 18.262 +18 09 01.76 – V C57
2021-12-13 03:13:54 s 1 -149565.25 7 +275632.76 1610.0 – C57
2021-12-13 03:23:54 S 08 24 17.940 +18 08 49.85 – V C57
2021-12-13 03:23:54 s 1 -149794.43 5 +275141.01 3530.0 – C57
2021-12-13 03:33:54 S 08 24 17.453 +18 08 39.52 – V C57
2021-12-13 03:33:54 s 1 -150022.96 3 +274648.07 2460.0 – C57
2021-12-13 03:43:54 S 08 24 17.184 +18 08 26.52 – V C57
2021-12-13 03:43:54 s 1 -150250.83 9 +274153.94 8390.0 – C57
2021-12-13 03:53:54 S 08 24 16.632 +18 08 15.18 – V C57
2021-12-13 03:53:54 s 1 -150478.06 1 +273658.60 1310.0 – C57
2021-12-13 04:03:54 S 08 24 16.414 +18 08 06.25 – V C57
2021-12-13 04:03:54 s 1 -150704.62 4 +273162.07 1210.0 – C57
2021-12-13 04:13:54 S 08 24 16.025 +18 07 51.64 – V C57
2021-12-13 04:13:54 s 1 -150930.52 7 +272664.34 8070.0 – C57
2021-12-13 04:23:54 S 08 24 15.768 +18 07 40.30 – V C57
2021-12-13 04:23:54 s 1 -151155.76 6 +272165.42 1880.0 – C57
2021-12-13 04:33:54 S 08 24 15.204 +18 07 30.76 – V C57
2021-12-13 04:33:54 s 1 -151380.33 9 +271665.29 2630.0 – C57
2021-12-13 04:43:54 S 08 24 14.798 +18 07 16.36 – V C57
2021-12-13 04:43:54 s 1 -151604.24 2 +271163.95 310.0 – C57
2021-12-13 04:53:54 S 08 24 14.422 +18 07 04.87 – V C57