496981 (2002 RP28)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3905138084 ± 2.60e-08
Semi-major axis (a)1.6614470661 AU ± 1.30e-09
Inclination (i)7.99474442° ± 6.76e-06
Long. of Asc. Node (Ω)163.33410598° ± 1.85e-05
Arg. of Perihelion (ω)250.74767612° ± 2.65e-05
Mean Anomaly (M)268.13773635° ± 7.63e-06
Mean Motion (n)0.4602380409°/day ± 5.42e-10
Perihelion dist (q)1.01262904 AU ± 4.31e-08
Aphelion dist (Q)2.31026509 AU ± 4.32e-08
Orbital Period2.14155762 yr ± 2.52e-09
Physical Parameters
H (abs. magnitude)21.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.481″
Uncertainty0
Orbit TypeApollo
MOID0.107217 AU
Observations Used166
Oppositions9
Arc Total2002-2018
First Observation Used2002-09-05
Last Observation Used2018-02-05
Observations (170)
Date Type RA Dec Mag Band Observatory
2016-03-30 00:24:31 C 11 49 22.22 +07 12 41.6 t 950
2016-03-30 00:25:31 C 11 49 22.17 +07 12 42.1 t 950
2016-03-30 00:27:29 C 11 49 22.06 +07 12 43.0 t 950
2017-07-17 07:20:05 C 22 52 58.51 +02 47 26.1 u H21
2017-07-17 07:39:22 C 22 52 59.38 +02 47 31.0 u H21
2017-07-17 07:52:49 C 22 53 00.00 +02 47 34.5 u H21
2017-08-16 10:10:00 C 23 26 12.273 +03 06 40.87 L F51
2017-08-16 10:26:27 C 23 26 12.895 +03 06 36.02 L F51
2017-08-16 10:42:57 C 23 26 13.525 +03 06 31.05 L F51
2017-08-16 10:59:25 C 23 26 14.146 +03 06 26.03 L F51
2017-08-27 16:20:28 C 23 38 27.23 +00 48 48.7 q D29
2017-08-27 16:40:49 C 23 38 28.02 +00 48 32.8 q D29
2017-08-27 17:01:11 C 23 38 28.84 +00 48 17.8 q D29
2017-09-14 10:20:58 C 00 04 29.09 -08 28 11.7 L T05
2017-09-14 10:30:50 C 00 04 29.78 -08 28 31.6 L T05
2017-09-14 10:31:35 C 00 04 27.64 -08 28 41.3 q H15
2017-09-14 10:40:41 C 00 04 28.19 -08 28 58.4 q H15
2017-09-14 10:41:13 C 00 04 30.49 -08 28 52.2 L T05
2017-09-14 10:49:42 C 00 04 28.82 -08 29 15.1 q H15
2017-09-14 10:51:06 C 00 04 31.19 -08 29 11.9 L T05
2017-09-16 10:17:44 C 00 08 35.28 -10 08 23.8 L T08
2017-09-16 10:19:43 C 00 08 35.45 -10 08 27.5 L T08
2017-09-16 10:34:37 C 00 08 36.60 -10 08 59.2 L T08
2017-09-16 10:44:14 C 00 08 37.36 -10 09 22.5 L T08
2017-09-17 10:12:01 C 00 10 46.787 -11 01 48.51 L F51
2017-09-17 10:28:43 C 00 10 48.113 -11 02 26.71 L F51
2017-09-17 10:45:25 C 00 10 49.437 -11 03 04.87 L F51
2017-09-17 11:02:09 C 00 10 50.768 -11 03 43.14 L F51
2017-09-20 06:15:09 C 00 17 37.22 -13 47 02.1 q 703
2017-09-20 06:30:42 C 00 17 38.96 -13 47 38.5 q 703
2017-09-20 06:38:29 C 00 17 39.72 -13 47 58.4 q 703
2017-09-22 10:23:32 C 00 23 32.97 -16 06 30.3 L T05
2017-09-22 10:33:09 C 00 23 33.96 -16 06 56.8 L T05
2017-09-22 10:43:52 C 00 23 35.08 -16 07 27.0 L T05
2017-09-22 10:53:38 C 00 23 36.15 -16 07 54.4 L T05
2017-09-23 10:38:47 C 00 26 32.83 -17 15 22.3 L T08
2017-09-23 10:51:18 C 00 26 34.22 -17 15 58.4 L T08
2017-09-23 10:52:38 C 00 26 34.37 -17 16 02.3 L T08
2017-09-23 11:15:06 C 00 26 36.92 -17 17 07.2 L T08
2017-09-25 06:13:15 C 00 32 23.95 -19 25 22.7 q 703
2017-09-25 06:20:59 C 00 32 24.95 -19 25 46.8 q 703
2017-09-25 06:36:22 C 00 32 26.86 -19 26 34.3 q 703
2017-09-25 06:44:08 C 00 32 27.77 -19 26 57.6 q 703
2017-09-25 11:05:02 C 00 33 03.42 -19 40 13.1 L T05
2017-09-25 11:17:37 C 00 33 04.95 -19 40 52.1 L T05
2017-09-25 11:31:43 C 00 33 06.74 -19 41 35.4 L T05
2017-09-25 11:44:18 C 00 33 08.29 -19 42 14.0 L T05
2017-09-27 10:12:15 C 00 40 09.40 -22 09 59.7 L T08
2017-09-27 10:18:51 C 00 40 10.32 -22 10 21.0 L T08
2017-09-27 10:31:16 C 00 40 12.06 -22 11 01.6 L T08