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
2021-11-12 10:08:49 C 08 22 40.13 +28 11 19.5 U I41
2021-11-12 11:06:35 C 08 22 41.71 +28 10 45.7 U I41
2021-11-14 11:06:16 C 08 24 02.14 +27 41 49.0 U I41
2021-11-14 11:45:09 C 08 24 03.09 +27 41 25.2 U I41
2021-11-14 13:53:57 S 08 24 20.618 +27 42 21.49 V C57
2021-11-14 13:53:57 s 1 -58261.238 0 +363138.92 90.0 C57
2021-11-14 19:53:57 S 08 24 28.526 +27 38 41.06 V C57
2021-11-14 19:53:57 s 1 -70467.508 0 +355894.67 7010.0 C57
2021-11-15 01:03:56 S 08 24 35.083 +27 35 18.35 V C57
2021-11-15 01:03:56 s 1 -80762.836 0 +348558.07 2770.0 C57
2021-11-15 10:01:33 C 08 24 37.71 +27 27 36.9 V 703
2021-11-15 10:09:46 C 08 24 37.93 +27 27 32.0 V 703
2021-11-15 10:17:58 C 08 24 38.11 +27 27 26.9 V 703
2021-11-15 10:26:11 C 08 24 38.31 +27 27 22.1 V 703
2021-11-15 18:43:56 S 08 24 57.890 +27 24 04.03 V C57
2021-11-15 18:43:56 s 1 -113884.39 4 +315509.41 3330.0 C57
2021-11-15 19:13:56 S 08 24 58.951 +27 23 45.20 V C57
2021-11-15 19:13:56 s 1 -114762.90 3 +314388.41 2660.0 C57
2021-11-15 19:53:56 S 08 24 59.573 +27 23 24.14 V C57
2021-11-15 19:53:56 s 1 -115928.26 2 +312877.36 3470.0 C57
2021-11-15 21:33:56 S 08 25 01.790 +27 22 14.95 V C57
2021-11-15 21:33:56 s 1 -118810.92 8 +309017.32 7590.0 C57
2021-11-15 22:33:56 S 08 25 03.161 +27 21 34.92 V C57
2021-11-15 22:33:56 s 1 -120518.79 4 +306644.44 1820.0 C57
2021-11-16 01:33:56 S 08 25 06.024 +27 19 35.65 V C57
2021-11-16 01:33:56 s 1 -125539.33 9 +299267.18 8040.0 C57
2021-11-16 06:13:56 S 08 25 12.065 +27 16 38.17 V C57
2021-11-16 06:13:56 s 1 -133016.13 7 +287006.94 400.0 C57
2021-11-16 08:24:24 C 08 25 10.65 +27 13 30.5 V 703
2021-11-16 08:32:00 C 08 25 10.83 +27 13 25.2 V 703
2021-11-16 08:39:35 C 08 25 11.04 +27 13 20.5 V 703
2021-11-16 08:47:11 C 08 25 11.16 +27 13 16.8 V 703
2021-11-16 15:03:56 S 08 25 22.598 +27 10 46.56 V C57
2021-11-16 15:03:56 s 1 -145873.97 5 +261091.53 4300.0 C57
2021-11-16 21:33:56 S 08 25 30.115 +27 06 26.03 V C57
2021-11-16 21:33:56 s 1 -154029.47 0 +239651.12 2170.0 C57
2021-11-17 00:43:56 S 08 25 33.662 +27 04 22.98 V C57
2021-11-17 00:43:56 s 1 -157524.60 7 +228443.82 8570.0 C57
2021-11-17 13:53:56 S 08 25 48.298 +26 55 27.98 V C57
2021-11-17 13:53:56 s 1 -167801.72 9 +176160.46 980.0 C57
2021-11-17 15:13:56 S 08 25 49.404 +26 54 32.69 V C57
2021-11-17 15:13:56 s 1 -168380.26 9 +170330.54 4620.0 C57
2021-11-17 17:03:56 S 08 25 51.670 +26 53 21.98 V C57
2021-11-17 17:03:56 s 1 -169009.69 8 +162146.89 7440.0 C57
2021-11-17 23:03:56 S 08 25 57.782 +26 49 13.66 V C57
2021-11-17 23:03:56 s 1 -169564.83 8 +133980.42 3150.0 C57
2021-11-18 02:43:56 S 08 26 01.699 +26 46 44.58 V C57
2021-11-18 02:43:56 s 1 -168590.07 7 +115703.48 8920.0 C57
2021-11-18 03:33:56 S 08 26 02.398 +26 46 11.68 V C57
2021-11-18 03:33:56 s 1 -168209.15 5 +111435.83 210.0 C57