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
2021-12-04 16:13:54 s 1 +173847.47 4 +109360.22 3910.0 – C57
2021-12-04 16:43:54 S 08 28 53.796 +21 37 06.56 – V C57
2021-12-04 16:43:54 s 1 +174177.78 6 +111885.89 4420.0 – C57
2021-12-04 17:13:54 S 08 28 53.465 +21 36 37.15 – V C57
2021-12-04 17:13:54 s 1 +174486.17 1 +114397.58 990.0 – C57
2021-12-04 17:33:54 S 08 28 53.318 +21 36 19.33 – V C57
2021-12-04 17:33:54 s 1 +174679.79 2 +116064.26 9590.0 – C57
2021-12-04 17:53:54 S 08 28 52.985 +21 36 00.90 – V C57
2021-12-04 17:53:54 s 1 +174863.98 3 +117724.72 2120.0 – C57
2021-12-04 18:33:54 S 08 28 53.093 +21 35 28.72 – V C57
2021-12-04 18:33:54 s 1 +175204.56 3 +121026.96 930.0 – C57
2021-12-04 18:43:54 S 08 28 53.275 +21 35 19.18 – V C57
2021-12-04 18:43:54 s 1 +175284.00 3 +121848.64 3840.0 – C57
2021-12-04 18:53:54 S 08 28 52.894 +21 35 09.17 – V C57
2021-12-04 18:53:54 s 1 +175361.19 0 +122668.76 8140.0 – C57
2021-12-04 19:03:54 S 08 28 52.788 +21 35 00.82 – V C57
2021-12-04 19:03:54 s 1 +175436.13 9 +123487.32 3900.0 – C57
2021-12-04 19:13:54 S 08 28 52.747 +21 34 52.39 – V C57
2021-12-04 19:13:54 s 1 +175508.86 4 +124304.33 1160.0 – C57
2021-12-04 19:33:54 S 08 28 52.985 +21 34 39.47 – V C57
2021-12-04 19:33:54 s 1 +175647.69 8 +125933.68 450.0 – C57
2021-12-04 19:43:54 S 08 28 53.021 +21 34 24.78 – V C57
2021-12-04 19:43:54 s 1 +175713.83 4 +126746.03 2570.0 – C57
2021-12-04 20:13:54 S 08 28 52.872 +21 33 53.71 – V C57
2021-12-04 20:13:54 s 1 +175899.29 0 +129173.76 9540.0 – C57
2021-12-04 21:13:54 S 08 28 52.169 +21 33 07.96 – V C57
2021-12-04 21:13:54 s 1 +176213.11 0 +133987.34 5850.0 – C57
2021-12-04 21:43:54 S 08 28 52.080 +21 32 34.12 – V C57
2021-12-04 21:43:54 s 1 +176342.17 8 +136373.24 7960.0 – C57
2021-12-04 21:53:54 S 08 28 51.842 +21 32 26.77 – V C57
2021-12-04 21:53:54 s 1 +176381.16 0 +137165.45 6610.0 – C57
2021-12-04 22:13:54 S 08 28 51.938 +21 32 11.58 – V C57
2021-12-04 22:13:54 s 1 +176453.13 9 +138745.24 1140.0 – C57
2021-12-04 22:23:54 S 08 28 51.643 +21 32 01.68 – V C57
2021-12-04 22:23:54 s 1 +176486.15 9 +139532.82 7110.0 – C57
2021-12-04 22:33:54 S 08 28 51.614 +21 31 51.35 – V C57
2021-12-04 22:33:54 s 1 +176517.21 5 +140318.86 5620.0 – C57
2021-12-04 22:53:54 S 08 28 51.655 +21 31 38.42 – V C57
2021-12-04 22:53:54 s 1 +176573.48 6 +141886.33 400.0 – C57
2021-12-04 23:03:54 S 08 28 51.590 +21 31 30.07 – V C57
2021-12-04 23:03:54 s 1 +176598.72 4 +142667.75 6780.0 – C57
2021-12-04 23:43:54 S 08 28 51.146 +21 30 50.90 – V C57
2021-12-04 23:43:54 s 1 +176680.62 8 +145778.10 9910.0 – C57
2021-12-04 23:53:54 S 08 28 51.199 +21 30 39.20 – V C57
2021-12-04 23:53:54 s 1 +176696.39 8 +146551.86 320.0 – C57
2021-12-05 00:13:54 S 08 28 51.084 +21 30 19.22 – V C57
2021-12-05 00:13:54 s 1 +176722.37 1 +148094.78 0.0 – C57
2021-12-05 00:33:54 S 08 28 50.911 +21 30 05.18 – V C57
2021-12-05 00:33:54 s 1 +176740.99 3 +149631.58 1770.0 – C57
2021-12-05 00:53:54 S 08 28 50.815 +21 29 44.92 – V C57