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
2021-12-05 18:23:54 s 1 +168942.10 1 +223273.52 110.0 C57
2021-12-05 18:33:54 S 08 28 41.647 +21 13 37.20 V C57
2021-12-05 18:33:54 s 1 +168802.13 4 +223885.69 4250.0 C57
2021-12-05 18:43:54 S 08 28 41.467 +21 13 23.99 V C57
2021-12-05 18:43:54 s 1 +168661.14 2 +224496.51 4580.0 C57
2021-12-05 18:53:54 S 08 28 41.376 +21 13 16.43 V C57
2021-12-05 18:53:54 s 1 +168519.12 7 +225105.99 1100.0 C57
2021-12-05 19:03:54 S 08 28 41.093 +21 13 06.85 V C57
2021-12-05 19:03:54 s 1 +168376.09 6 +225714.12 3840.0 C57
2021-12-05 19:13:54 S 08 28 41.052 +21 12 58.07 V C57
2021-12-05 19:13:54 s 1 +168232.05 4 +226320.92 2810.0 C57
2021-12-05 19:23:54 S 08 28 40.754 +21 12 47.99 V C57
2021-12-05 19:23:54 s 1 +168087.00 4 +226926.37 8030.0 C57
2021-12-05 19:33:54 S 08 28 40.853 +21 12 36.83 V C57
2021-12-05 19:33:54 s 1 +167940.95 2 +227530.49 9530.0 C57
2021-12-05 19:43:54 S 08 28 40.630 +21 12 29.70 V C57
2021-12-05 19:43:54 s 1 +167793.90 2 +228133.27 7320.0 C57
2021-12-05 19:53:54 S 08 28 40.418 +21 12 18.65 V C57
2021-12-05 19:53:54 s 1 +167645.86 0 +228734.71 1410.0 C57
2021-12-05 20:03:54 S 08 28 40.620 +21 12 09.04 V C57
2021-12-05 20:03:54 s 1 +167496.82 9 +229334.83 1830.0 C57
2021-12-05 20:13:54 S 08 28 40.596 +21 11 59.68 V C57
2021-12-05 20:13:54 s 1 +167346.81 5 +229933.61 8590.0 C57
2021-12-05 20:23:54 S 08 28 40.306 +21 11 51.11 V C57
2021-12-05 20:23:54 s 1 +167195.82 2 +230531.06 1720.0 C57
2021-12-05 20:33:54 S 08 28 40.032 +21 11 45.82 V C57
2021-12-05 20:33:54 s 1 +167043.85 5 +231127.19 1220.0 C57
2021-12-05 20:43:54 S 08 28 40.015 +21 11 32.50 V C57
2021-12-05 20:43:54 s 1 +166890.91 8 +231721.99 7130.0 C57
2021-12-05 20:53:54 S 08 28 39.986 +21 11 24.25 V C57
2021-12-05 20:53:54 s 1 +166737.01 6 +232315.46 9440.0 C57
2021-12-05 21:03:54 S 08 28 39.794 +21 11 15.36 V C57
2021-12-05 21:03:54 s 1 +166582.15 4 +232907.61 8190.0 C57
2021-12-05 21:13:54 S 08 28 39.672 +21 11 06.90 V C57
2021-12-05 21:13:54 s 1 +166426.33 5 +233498.44 3390.0 C57
2021-12-05 21:23:54 S 08 28 39.641 +21 10 56.50 V C57
2021-12-05 21:23:54 s 1 +166269.56 4 +234087.96 5060.0 C57
2021-12-05 21:33:54 S 08 28 39.506 +21 10 44.69 V C57
2021-12-05 21:33:54 s 1 +166111.84 6 +234676.15 3210.0 C57
2021-12-05 21:43:54 S 08 28 39.432 +21 10 36.30 V C57
2021-12-05 21:43:54 s 1 +165953.18 5 +235263.03 7860.0 C57
2021-12-05 21:53:54 S 08 28 39.257 +21 10 28.06 V C57
2021-12-05 21:53:54 s 1 +165793.58 6 +235848.59 9030.0 C57
2021-12-05 22:03:54 S 08 28 39.079 +21 10 18.41 V C57
2021-12-05 22:03:54 s 1 +165633.05 2 +236432.84 6730.0 C57
2021-12-05 22:13:54 S 08 28 39.269 +21 10 10.06 V C57
2021-12-05 22:13:54 s 1 +165471.58 9 +237015.78 990.0 C57
2021-12-05 22:23:54 S 08 28 38.918 +21 09 59.29 V C57
2021-12-05 22:23:54 s 1 +165309.20 0 +237597.40 1810.0 C57
2021-12-05 22:33:54 S 08 28 38.890 +21 09 49.90 V C57