2002 OY21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6702231518 ± 3.38e-07
Semi-major axis (a)1.3582803991 AU ± 2.83e-09
Inclination (i)13.94418978° ± 3.61e-05
Long. of Asc. Node (Ω)119.06764592° ± 2.58e-05
Arg. of Perihelion (ω)314.52403791° ± 4.00e-05
Mean Anomaly (M)218.47686815° ± 1.25e-05
Mean Motion (n)0.6226272523°/day ± 1.95e-09
Perihelion dist (q)0.44792943 AU ± 4.59e-07
Aphelion dist (Q)2.26863137 AU ± 4.59e-07
Orbital Period1.58301179 yr ± 4.95e-09
Physical Parameters
H (abs. magnitude)20.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.260″
Uncertainty0
Orbit TypeApollo
MOID0.087234 AU
Observations Used67
Oppositions7
Arc Total2002-2021
First Observation Used2002-07-29
Last Observation Used2021-08-03
Observations (71)
Date Type RA Dec Mag Band Observatory
2021-07-08 10:23:31 C 21 52 45.45 -12 35 02.2 V G96
2021-07-08 10:29:38 C 21 52 45.61 -12 35 06.6 V G96
2021-07-08 10:35:44 C 21 52 45.66 -12 35 10.6 V G96
2021-07-08 10:41:52 C 21 52 45.79 -12 35 14.9 V G96
2021-07-10 13:01:54 C 21 53 56.234 -13 11 07.93 U F51
2021-07-10 13:36:04 C 21 53 56.814 -13 11 34.36 U F51
2021-07-10 13:53:29 C 21 53 57.112 -13 11 47.87 U F51
2021-07-31 09:41:19 C 22 00 48.024 -31 21 50.96 V F51
2021-07-31 09:58:06 C 22 00 47.831 -31 23 20.21 V F51
2021-07-31 10:15:19 C 22 00 47.634 -31 24 51.73 V F51
2021-08-03 05:55:02 C 22 00 39.86 -38 30 44.8 q X74
2021-08-03 06:01:55 C 22 00 39.70 -38 31 36.1 q X74
2021-08-03 06:09:27 C 22 00 39.51 -38 32 32.1 q X74
2021-08-03 15:19:14 C 22 00 38.13 -39 42 49.1 q E23
2021-08-03 15:32:34 C 22 00 37.79 -39 44 34.9 q E23
2021-08-03 15:45:54 C 22 00 37.47 -39 46 19.5 q E23
2021-08-03 16:12:22 C 22 00 35.81 -39 49 34.2 V 474
2021-08-03 16:13:56 C 22 00 35.78 -39 49 46.5 V 474
2021-08-03 16:14:44 C 22 00 35.76 -39 49 52.6 V 474
2021-08-03 16:16:18 C 22 00 35.73 -39 50 05.0 V 474
2021-08-13 12:56:53 S 10 32 56.849 -83 22 34.39 L C51