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
2021-12-21 22:03:53 S 08 15 24.343 +13 45 25.42 – V C57
2021-12-21 22:03:53 s 1 +79853.342 0 +363172.98 1420.0 – C57
2021-12-21 22:13:53 S 08 15 23.760 +13 45 10.94 – V C57
2021-12-21 22:13:53 s 1 +79521.482 0 +363393.91 8820.0 – C57
2021-12-21 22:23:54 S 08 15 23.174 +13 44 56.83 – V C57
2021-12-21 22:23:54 s 1 +79189.394 0 +363613.84 5500.0 – C57
2021-12-21 22:33:53 S 08 15 22.481 +13 44 43.22 – V C57
2021-12-21 22:33:53 s 1 +78857.078 0 +363832.75 1480.0 – C57
2021-12-21 22:43:54 S 08 15 21.972 +13 44 30.41 – V C57
2021-12-21 22:43:54 s 1 +78524.536 0 +364050.66 6750.0 – C57
2021-12-21 22:53:53 S 08 15 21.394 +13 44 14.78 – V C57
2021-12-21 22:53:53 s 1 +78191.769 0 +364267.55 1330.0 – C57
2021-12-21 23:03:54 S 08 15 20.837 +13 44 00.46 – V C57
2021-12-21 23:03:54 s 1 +77858.778 0 +364483.44 5220.0 – C57
2021-12-21 23:13:53 S 08 15 20.105 +13 43 45.88 – V C57
2021-12-21 23:13:53 s 1 +77525.564 0 +364698.32 8420.0 – C57
2021-12-21 23:23:54 S 08 15 19.651 +13 43 32.66 – V C57
2021-12-21 23:23:54 s 1 +77192.129 0 +364912.19 940.0 – C57
2021-12-21 23:33:53 S 08 15 19.068 +13 43 18.70 – V C57
2021-12-21 23:33:53 s 1 +76858.473 0 +365125.06 2780.0 – C57
2021-12-21 23:43:53 S 08 15 18.432 +13 43 04.44 – V C57
2021-12-21 23:43:53 s 1 +76524.599 0 +365336.91 3950.0 – C57
2021-12-21 23:53:52 S 08 15 17.856 +13 42 49.72 – V C57
2021-12-21 23:53:52 s 1 +76190.506 0 +365547.76 4450.0 – C57
2021-12-22 00:03:53 S 08 15 17.194 +13 42 36.18 – V C57
2021-12-22 00:03:53 s 1 +75856.196 0 +365757.61 4280.0 – C57
2021-12-22 00:13:54 S 08 15 16.651 +13 42 22.14 – V C57
2021-12-22 00:13:54 s 1 +75521.670 0 +365966.45 3460.0 – C57
2021-12-22 00:23:53 S 08 15 16.140 +13 42 07.13 – V C57
2021-12-22 00:23:53 s 1 +75186.930 0 +366174.28 1990.0 – C57
2021-12-22 00:33:54 S 08 15 15.391 +13 41 54.24 – V C57
2021-12-22 00:33:54 s 1 +74851.976 0 +366381.11 9860.0 – C57
2021-12-22 00:43:53 S 08 15 14.815 +13 41 39.80 – V C57
2021-12-22 00:43:53 s 1 +74516.810 0 +366586.94 7090.0 – C57
2021-12-22 00:53:54 S 08 15 14.261 +13 41 26.48 – V C57
2021-12-22 00:53:54 s 1 +74181.432 0 +366791.76 3680.0 – C57
2021-12-22 01:33:53 S 08 15 11.914 +13 40 30.43 – V C57
2021-12-22 01:33:53 s 1 +72837.834 0 +367601.02 3740.0 – C57
2021-12-22 01:43:54 S 08 15 11.366 +13 40 14.95 – V C57
2021-12-22 01:43:54 s 1 +72501.418 0 +367800.83 7210.0 – C57
2021-12-22 01:53:53 S 08 15 10.661 +13 40 01.67 – V C57
2021-12-22 01:53:53 s 1 +72164.797 0 +367999.64 60.0 – C57
2021-12-22 02:03:54 S 08 15 10.109 +13 39 46.19 – V C57
2021-12-22 02:03:54 s 1 +71827.973 0 +368197.45 2300.0 – C57
2021-12-22 02:13:53 S 08 15 09.590 +13 39 33.01 – V C57
2021-12-22 02:13:53 s 1 +71490.947 0 +368394.26 3950.0 – C57
2021-12-22 02:23:54 S 08 15 08.921 +13 39 18.11 – V C57
2021-12-22 02:23:54 s 1 +71153.720 0 +368590.07 4990.0 – C57
2021-12-22 02:33:53 S 08 15 08.246 +13 39 03.53 – V C57
2021-12-22 02:33:53 s 1 +70816.293 0 +368784.88 5440.0 – C57