416151 (2002 RQ25)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3062620320 ± 2.00e+00
Semi-major axis (a)1.1117033671 AU ± 3.00e+00
Inclination (i)4.57460791° ± 4.00e+00
Long. of Asc. Node (Ω)10.45159467° ± 5.00e+00
Arg. of Perihelion (ω)225.76313113° ± 6.00e+00
Mean Anomaly (M)10.69675081° ± 1.41e-05
Mean Motion (n)0.8408700703°/day ± 3.40e+00
Perihelion dist (q)0.77123083 AU ± 3.05e+00
Aphelion dist (Q)1.45217590 AU ± 4.51e+00
Orbital Period1.17215051 yr ± 4.74e+00
NGA Modelr2
A26.32880627e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-28
RMS Residual0.430″
Uncertainty0
Orbit TypeApollo
MOID0.050171 AU
Observations Used303
Oppositions3
Arc Total2002-2022
First Observation Used2002-09-03
Last Observation Used2022-11-29
Observations (334)
Date Type RA Dec Mag Band Observatory
2009-10-15 03:28:47 C 22 49 10.770 -07 20 03.20 n 645
2009-10-15 03:28:47 C 22 49 10.78 -07 20 03.2 n 645
2009-10-15 03:29:59 C 22 49 10.770 -07 20 02.65 n 645
2009-10-15 03:29:59 C 22 49 10.78 -07 20 02.7 n 645
2009-10-15 03:32:22 C 22 49 10.77 -07 20 01.6 n 645
2009-10-15 03:32:22 C 22 49 10.771 -07 20 01.62 n 645
2009-10-15 03:33:34 C 22 49 10.765 -07 20 01.12 n 645
2009-10-15 03:33:34 C 22 49 10.77 -07 20 01.0 n 645
2009-10-22 04:32:42 C 22 50 59.74 -06 02 36.7 r G96
2009-10-22 04:40:39 C 22 50 59.85 -06 02 33.5 r G96
2009-10-22 04:48:36 C 22 50 59.96 -06 02 29.5 r G96
2009-10-22 04:56:37 C 22 51 00.21 -06 02 26.4 r G96
2009-11-11 02:55:39 C 23 07 07.21 -02 34 18.6 r G96
2009-11-11 03:03:35 C 23 07 07.57 -02 34 14.0 r G96
2009-11-11 03:11:37 C 23 07 07.93 -02 34 11.1 r G96
2009-11-11 03:19:16 C 23 07 08.25 -02 34 08.0 r G96
2014-11-21 10:26:57 C 09 00 31.11 +26 17 10.6 u H21
2014-11-21 10:41:10 C 09 00 32.35 +26 17 10.0 u H21
2014-11-21 10:56:47 C 09 00 33.62 +26 17 09.9 u H21
2014-12-24 11:35:18 C 10 03 43.49 +27 51 48.5 q 448
2014-12-24 12:17:21 C 10 03 46.43 +27 52 01.0 q 448
2014-12-24 12:56:03 C 10 03 49.04 +27 52 11.6 q 448
2014-12-25 11:03:48 C 10 05 30.617 +27 59 18.45 L F51
2014-12-25 11:21:35 C 10 05 31.914 +27 59 24.91 L F51
2014-12-27 11:20:32 C 10 09 07.510 +28 15 59.29 L F51
2014-12-27 11:38:17 C 10 09 08.754 +28 16 06.36 L F51
2014-12-27 11:55:58 C 10 09 09.959 +28 16 13.26 L F51
2015-01-05 01:56:56 C 10 24 39.07 +29 49 36.9 t 204
2015-01-05 02:15:08 C 10 24 40.34 +29 49 47.0 t 204
2015-01-05 02:33:57 C 10 24 41.64 +29 49 58.2 t 204
2015-01-15 14:12:59 C 10 44 55.917 +32 52 43.41 L F51
2015-01-15 14:30:47 C 10 44 57.242 +32 52 59.58 L F51
2015-01-15 14:48:33 C 10 44 58.571 +32 53 15.60 L F51
2015-01-15 15:06:21 C 10 44 59.909 +32 53 31.58 L F51
2015-01-18 07:28:54 C 10 50 50.76 +33 57 20.5 q 703
2015-01-18 07:34:41 C 10 50 51.18 +33 57 28.0 q 703
2015-01-18 07:46:17 C 10 50 52.15 +33 57 40.3 q 703
2015-01-28 01:27:03 C 11 17 39.91 +39 23 03.3 r 106
2015-01-28 01:41:59 C 11 17 41.96 +39 23 31.3 r 106
2015-01-28 01:56:50 C 11 17 43.89 +39 23 57.5 r 106
2015-01-28 02:11:42 C 11 17 45.93 +39 24 25.4 r 106
2015-01-30 10:46:46 C 11 26 58.16 +41 14 35.2 q H45
2015-01-30 10:48:35 C 11 26 58.47 +41 14 38.8 q H45
2015-01-30 10:49:44 C 11 26 58.67 +41 14 41.0 q H45
2015-01-30 10:51:37 C 11 26 58.95 +41 14 45.0 q H45
2015-01-30 10:52:43 C 11 26 59.11 +41 14 46.9 q H45
2015-01-30 10:53:57 C 11 26 59.31 +41 14 49.3 q H45
2015-02-01 12:53:38 C 11 36 54.146 +43 06 47.06 L F51
2015-02-01 13:11:09 C 11 36 57.480 +43 07 29.07 L F51
2015-02-01 13:28:46 C 11 37 00.837 +43 08 11.07 L F51
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-02-18 09:20:00 52478055 10 us 8560 -14 -14
2015-02-18 10:00:00 52441327 1 us 8560 -14 -14
2015-02-19 09:50:00 51548263 1 us 8560 -14 -14
2015-02-19 10:30:00 51528148.52 0.25 us 8560 -14 -14
2015-02-23 13:40:00 -51612.4917 0.03 Hz 2380 -1 -1
2015-02-23 14:00:00 54345416.68 0.5 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)