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
2017-09-27 10:44:11 C 00 40 13.88 -22 11 44.3 L T08
2017-09-27 10:57:47 C 00 40 15.76 -22 12 28.6 L T08
2017-10-01 11:02:06 C 00 57 27.766 -27 41 34.67 L F51
2017-10-01 11:18:32 C 00 57 30.697 -27 42 32.72 L F51
2017-10-01 11:34:56 C 00 57 33.647 -27 43 30.81 L F51
2017-10-01 11:51:21 C 00 57 36.595 -27 44 28.68 L F51
2017-10-07 10:58:42 C 01 32 00.51 -36 27 04.1 L T05
2017-10-07 11:09:57 C 01 32 03.42 -36 27 45.2 L T05
2017-10-07 11:22:29 C 01 32 06.60 -36 28 31.1 L T05
2017-10-07 11:34:24 C 01 32 09.73 -36 29 14.5 L T05
2017-10-10 02:33:02 C 01 51 24.96 -40 14 34.0 q Y00
2017-10-10 02:49:59 C 01 51 30.04 -40 15 34.2 q Y00
2017-10-10 03:15:10 C 01 51 37.63 -40 17 04.3 q Y00
2018-01-18 07:45:42 C 08 23 37.29 -08 18 11.6 U G96
2018-01-18 07:53:06 C 08 23 37.05 -08 17 57.8 U G96
2018-01-18 08:00:32 C 08 23 36.79 -08 17 44.1 U G96
2018-01-18 08:07:57 C 08 23 36.54 -08 17 30.5 U G96
2018-02-05 09:42:45 C 08 15 22.71 +03 46 04.2 U G96
2018-02-05 09:50:13 C 08 15 22.59 +03 46 14.2 U G96
2018-02-05 09:57:42 C 08 15 22.50 +03 46 24.9 U G96