393908 (2005 UH3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5458491386 ± 2.30e-08
Semi-major axis (a)1.7266366434 AU ± 1.97e-09
Inclination (i)44.77547314° ± 6.22e-06
Long. of Asc. Node (Ω)53.31368126° ± 1.73e-06
Arg. of Perihelion (ω)309.17907268° ± 3.75e-06
Mean Anomaly (M)319.46217970° ± 3.50e-06
Mean Motion (n)0.4344210350°/day ± 7.43e-10
Perihelion dist (q)0.78415352 AU ± 3.97e-08
Aphelion dist (Q)2.66911977 AU ± 3.98e-08
Orbital Period2.26882725 yr ± 3.88e-09
Physical Parameters
H (abs. magnitude)17.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.241″
Uncertainty0
Orbit TypeApollo
MOID0.080930 AU
Observations Used239
Radar Obs Used5
Oppositions5
Arc Total2005-2014
First Observation Used2005-10-25
Last Observation Used2025-05-30
Observations (282)
Date Type RA Dec Mag Band Observatory
2014-04-24 08:38:23 C 16 05 27.86 -10 38 16.1 o 691
2014-04-24 09:03:59 C 16 05 25.93 -10 38 28.4 o 691
2014-04-28 08:05:35 C 15 57 51.83 -11 24 48.3 o 691
2014-04-28 08:31:08 C 15 57 49.60 -11 25 01.4 o 691
2014-04-28 08:56:41 C 15 57 47.32 -11 25 14.3 o 691
2014-04-28 17:27:26 C 15 57 03.53 -11 29 35.7 q D29
2014-04-28 17:51:47 C 15 57 01.11 -11 29 50.6 q D29
2014-05-01 09:04:09 C 15 51 16.43 -12 03 21.5 q G96
2014-05-01 09:14:22 C 15 51 15.46 -12 03 27.4 q G96
2014-05-01 09:24:33 C 15 51 14.47 -12 03 32.9 q G96
2014-05-04 10:49:31 C 15 43 56.398 -12 44 51.15 L F51
2014-05-04 11:06:41 C 15 43 54.570 -12 45 01.15 L F51
2014-05-04 11:23:52 C 15 43 52.736 -12 45 11.06 L F51
2014-05-07 07:27:20 C 15 36 31.12 -13 25 39.7 o 691
2014-05-07 07:52:53 C 15 36 28.18 -13 25 54.4 o 691
2014-05-07 08:18:26 C 15 36 25.27 -13 26 09.8 o 691
2014-05-08 10:09:01 C 15 33 29.030 -13 41 59.58 L F51
2014-05-08 10:26:36 C 15 33 26.950 -13 42 10.48 L F51
2014-05-08 10:44:12 C 15 33 24.876 -13 42 21.36 L F51
2014-05-08 11:01:46 C 15 33 22.805 -13 42 32.29 L F51
2014-05-09 08:38:10 C 15 30 51.60 -13 56 00.0 q 703
2014-05-09 08:55:27 C 15 30 49.53 -13 56 11.7 q 703
2014-05-09 09:04:07 C 15 30 48.46 -13 56 17.2 q 703
2014-05-30 05:49:59 C 14 22 55.89 -19 28 03.4 q G96
2014-05-30 06:00:16 C 14 22 54.40 -19 28 10.1 q G96
2014-05-30 06:10:32 C 14 22 52.92 -19 28 16.8 q G96
2014-05-30 06:20:49 C 14 22 51.46 -19 28 23.2 q G96
2014-06-04 07:10:59 C 14 06 10.412 -20 44 29.26 L F51
2014-06-04 07:27:46 C 14 06 08.111 -20 44 39.54 L F51
2014-06-04 07:44:30 C 14 06 05.795 -20 44 49.90 L F51
2014-06-04 08:01:15 C 14 06 03.496 -20 45 00.11 L F51
2014-11-28 17:20:10 C 20 02 45.43 +29 37 19.2 q C23
2014-11-28 17:26:32 C 20 02 47.56 +29 38 24.6 q C23
2014-11-28 17:33:29 C 20 02 49.94 +29 39 36.0 q C23
2014-12-04 01:25:01 C 20 40 48.75 +44 46 17.0 u H21
2014-12-04 01:27:43 C 20 40 49.40 +44 46 29.4 u H21
2014-12-04 01:30:17 C 20 40 50.05 +44 46 41.1 u H21
2014-12-04 01:35:18 C 20 40 51.24 +44 47 04.5 u H21
2014-12-04 01:40:27 C 20 40 52.50 +44 47 28.4 u H21
2014-12-04 01:44:41 C 20 40 53.57 +44 47 47.5 u H21
2014-12-07 14:55:20 S 21 00 12.960 +50 08 07.37 L C51
2014-12-07 16:29:57 S 21 00 32.443 +50 12 51.30 L C51
2014-12-07 18:04:34 S 21 00 51.850 +50 17 32.75 L C51
2014-12-07 18:04:45 S 21 00 51.907 +50 17 33.00 L C51
2014-12-07 19:39:22 S 21 01 11.244 +50 22 12.50 L C51
2014-12-07 21:13:59 S 21 01 30.492 +50 26 49.81 L C51
2014-12-07 22:48:36 S 21 01 49.742 +50 31 25.36 L C51
2014-12-08 05:07:15 S 21 03 06.053 +50 49 27.44 L C51
2014-12-08 06:41:52 S 21 03 24.977 +50 53 52.76 L C51
2014-12-08 08:16:29 S 21 03 43.814 +50 58 16.50 L C51
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-11-27 18:45:00 -284332.0264 0.1 Hz 2380 -1 -1
2014-11-27 19:12:00 145236611.83 4 us 2380 -1 -1
2014-11-27 19:20:00 145294260.3 1 us 2380 -1 -1
2014-11-28 20:13:00 156672491.36 1 us 2380 -1 -1
2014-11-28 20:16:00 -316782.5502 0.025 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)