501647 (2014 SD224)

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3308731147 ± 3.18e-08
Semi-major axis (a)0.9782279364 AU ± 2.68e-09
Inclination (i)4.59132644° ± 1.70e-06
Long. of Asc. Node (Ω)286.23606749° ± 5.97e-06
Arg. of Perihelion (ω)277.22742566° ± 6.93e-06
Mean Anomaly (M)313.11482081° ± 8.87e-06
Mean Motion (n)1.0187137878°/day ± 4.19e-09
Perihelion dist (q)0.65455861 AU ± 3.12e-08
Aphelion dist (Q)1.30189726 AU ± 3.13e-08
Orbital Period0.96752031 yr ± 3.98e-09
Physical Parameters
H (abs. magnitude)22.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.294″
Uncertainty0
Orbit TypeAten
MOID0.017370 AU
Observations Used256
Radar Obs Used5
Oppositions1
Arc Total2014-2020
First Observation Used2014-09-22
Last Observation Used2020-12-25
Observations (266)
Date Type RA Dec Mag Band Observatory
2015-08-09 07:57:30 C 01 52 51.34 +31 38 36.4 t 705
2015-08-28 09:10:04 C 23 54 23.555 +27 07 04.43 L F51
2015-08-28 09:26:00 C 23 54 19.442 +27 06 45.13 L F51
2015-08-28 09:42:00 C 23 54 15.294 +27 06 25.74 L F51
2015-09-04 06:08:27 C 23 16 49.56 +23 11 10.9 o 291
2015-09-04 06:10:03 C 23 16 49.23 +23 11 08.6 o 291
2015-09-04 06:11:40 C 23 16 48.87 +23 11 06.0 o 291
2015-09-06 20:22:39 C 23 04 31.19 +21 32 42.0 t 204
2015-09-06 20:42:39 C 23 04 27.17 +21 32 09.5 t 204
2015-09-06 21:03:04 C 23 04 23.21 +21 31 37.5 t 204
2015-09-29 02:52:50 C 22 04 22.58 +08 55 02.1 o 695
2015-09-29 02:56:40 C 22 04 22.37 +08 54 58.1 o 695
2015-09-29 03:00:30 C 22 04 22.17 +08 54 53.9 o 695
2015-10-01 06:16:57 C 22 02 11.42 +08 01 52.6 o 291
2015-10-01 06:23:11 C 22 02 11.15 +08 01 46.4 o 291
2015-10-01 06:29:27 C 22 02 10.85 +08 01 40.1 o 291
2015-10-12 02:25:58 C 21 57 48.63 +04 28 23.1 u H21
2015-10-12 02:34:00 C 21 57 48.58 +04 28 17.4 u H21
2015-10-12 02:40:43 C 21 57 48.58 +04 28 12.5 u H21
2016-08-29 08:48:30 C 01 46 34.58 +27 55 19.5 u H21
2016-08-29 08:55:49 C 01 46 33.86 +27 55 20.8 u H21
2016-08-29 09:04:18 C 01 46 33.01 +27 55 22.1 u H21
2016-08-29 09:09:16 C 01 46 32.48 +27 55 22.9 u H21
2016-08-29 09:26:10 C 01 46 30.78 +27 55 26.5 u H21
2016-08-29 09:46:42 C 01 46 28.76 +27 55 30.3 u H21
2016-09-25 11:59:11 C 00 15 32.79 +23 58 24.8 o 291
2016-09-25 12:02:51 C 00 15 32.21 +23 58 21.6 o 291
2016-09-25 12:06:29 C 00 15 31.62 +23 58 16.9 o 291
2016-10-05 10:35:14 C 23 41 26.88 +19 31 10.4 o 291
2016-10-05 10:37:13 C 23 41 26.66 +19 31 08.1 o 291
2016-10-05 10:39:13 C 23 41 26.40 +19 31 05.1 o 291
2016-10-10 04:30:57 C 23 28 34.30 +17 14 57.4 o 291
2016-10-10 04:34:11 C 23 28 33.97 +17 14 53.6 o 291
2016-10-10 04:38:30 C 23 28 33.46 +17 14 48.2 o 291
2016-10-19 02:13:31 C 23 11 15.85 +13 17 31.9 u H21
2016-10-19 02:38:45 C 23 11 14.19 +13 17 06.4 u H21
2016-10-19 03:03:34 C 23 11 12.54 +13 16 41.2 u H21
2016-10-24 03:17:19 C 23 05 14.45 +11 22 13.1 u H21
2016-10-24 03:26:06 C 23 05 14.07 +11 22 05.5 u H21
2016-10-24 03:52:26 C 23 05 12.90 +11 21 42.0 u H21
2016-10-27 04:51:31 C 23 02 47.36 +10 20 14.2 o 291
2016-10-27 04:57:45 C 23 02 47.08 +10 20 09.2 o 291
2016-10-27 05:03:59 C 23 02 46.89 +10 20 04.7 o 291
2017-08-30 11:53:37 C 02 42 51.55 +28 13 29.8 o 695
2017-08-30 11:56:22 C 02 42 51.52 +28 13 30.9 o 695
2017-08-30 11:59:08 C 02 42 51.49 +28 13 32.2 o 695
2017-08-30 12:02:07 C 02 42 51.44 +28 13 33.3 o 695
2017-08-30 12:04:53 C 02 42 51.40 +28 13 34.6 o 695
2017-08-30 12:07:37 C 02 42 51.37 +28 13 35.8 o 695
2017-08-31 09:21:52 C 02 42 40.09 +28 22 44.6 u H21
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-12-23 06:20:00 334042.42 0.4 Hz 8560 -14 -14
2020-12-23 07:00:00 24915509.342 10 us 8560 -14 -14
2020-12-23 07:20:00 24869251.63 1 us 8560 -14 -14
2020-12-26 16:20:00 20699705.3 1 us 8560 -14 -14
2020-12-28 02:20:00 23941219.5 0.2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)