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
2020-12-23 07:16:02 C 01 39 15.03 +73 38 57.6 V T08
2020-12-23 13:28:13 C 00 59 45.498 +73 04 58.51 V O85
2020-12-23 13:31:17 C 00 59 25.221 +73 04 33.07 V O85
2020-12-23 13:34:20 C 00 59 04.952 +73 04 07.05 V O85
2020-12-23 13:37:23 C 00 58 44.793 +73 03 40.96 V O85
2020-12-23 13:40:27 C 00 58 24.494 +73 03 14.37 V O85
2020-12-23 13:46:34 C 00 57 44.095 +73 02 21.12 V O85
2020-12-23 13:49:37 C 00 57 23.922 +73 01 54.27 V O85
2020-12-23 13:52:40 C 00 57 03.799 +73 01 27.27 V O85
2020-12-24 19:50:56 C 22 26 12.96 +63 07 06.4 V Z80
2020-12-24 19:57:41 C 22 25 48.92 +63 03 39.8 V Z80
2020-12-24 20:04:16 C 22 25 25.61 +63 00 17.6 V Z80
2020-12-25 01:43:35 C 22 07 30.84 +60 06 35.0 16.8 r 718
2020-12-25 01:44:24 C 22 07 28.43 +60 06 08.2 16.9 r 718
2020-12-25 01:45:12 C 22 07 25.85 +60 05 40.7 16.9 r 718
2020-12-25 01:46:01 C 22 07 23.36 +60 05 14.4 17.1 r 718
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)