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
2014-12-09 18:45:05 C 21 10 21.41 +52 26 58.7 c A24
2014-12-09 18:46:08 C 21 10 21.52 +52 27 00.7 c A24
2014-12-09 19:48:34 C 21 10 32.97 +52 29 25.5 c A24
2014-12-10 17:54:01 C 21 14 36.00 +53 19 33.7 q C23
2014-12-10 18:00:29 C 21 14 37.08 +53 19 47.2 q C23
2014-12-10 18:04:48 C 21 14 37.85 +53 19 56.2 q C23
2014-12-14 18:01:19 C 21 30 38.97 +56 13 47.8 q C23
2014-12-14 18:07:48 C 21 30 39.98 +56 13 57.9 q C23
2014-12-14 18:15:21 C 21 30 41.04 +56 14 09.0 q C23
2014-12-19 18:27:09 C 21 48 22.88 +58 47 24.8 q C23
2014-12-19 18:32:33 C 21 48 23.60 +58 47 30.5 q C23
2014-12-19 18:39:01 C 21 48 24.46 +58 47 37.7 q C23
2014-12-19 18:44:24 C 21 48 25.20 +58 47 43.2 q C23
2016-05-12 10:32:01 C 14 03 58.045 +17 29 07.36 L F51
2016-05-12 10:46:31 C 14 03 56.881 +17 29 02.42 L F51
2016-05-12 11:01:04 C 14 03 55.732 +17 28 57.64 L F51
2016-05-12 11:15:36 C 14 03 54.597 +17 28 52.60 L F51
2018-04-08 07:40:08 C 14 15 04.73 +37 23 42.0 U G96
2018-04-08 07:47:34 C 14 15 04.13 +37 23 43.1 U G96
2018-04-08 07:55:00 C 14 15 03.55 +37 23 44.9 U G96
2018-04-08 08:02:26 C 14 15 02.98 +37 23 45.5 U G96
2020-02-19 10:08:51 C 14 38 23.32 +48 46 56.1 u H21
2020-02-19 10:27:52 C 14 38 22.78 +48 47 07.6 u H21
2020-02-19 10:34:54 C 14 38 22.57 +48 47 11.9 u H21
2020-02-21 09:03:30 C 14 37 03.99 +49 15 46.6 u H21
2020-02-21 09:09:39 C 14 37 03.78 +49 15 50.7 u H21
2020-02-21 09:16:22 C 14 37 03.56 +49 15 55.6 u H21
2021-06-03 08:35:53 S 02 17 41.44 -63 55 02.3 L C51
2021-06-03 10:09:57 S 02 18 32.48 -63 52 10.0 L C51
2021-06-03 14:52:20 S 02 21 04.82 -63 43 26.8 L C51
2021-06-03 16:26:24 S 02 21 55.15 -63 40 31.2 L C51
2021-06-03 18:00:39 S 02 22 45.36 -63 37 34.1 L C51
2021-06-03 19:34:43 S 02 23 35.22 -63 34 36.1 L C51
2021-06-03 21:08:47 S 02 24 24.95 -63 31 37.5 L C51
2021-06-03 22:42:51 S 02 25 14.59 -63 28 38.1 L C51
2021-06-03 22:43:02 S 02 25 14.33 -63 28 37.9 L C51
2021-08-30 11:54:47 C 07 15 39.41 +12 50 22.2 U I41
2021-08-30 11:58:24 C 07 15 39.84 +12 50 29.1 U I41
2021-08-30 12:02:02 C 07 15 40.26 +12 50 36.2 U I41
2021-08-30 12:05:40 C 07 15 40.70 +12 50 43.3 U I41
2021-09-06 11:57:08 C 07 36 40.33 +18 05 01.1 U I41
2021-09-06 12:06:52 C 07 36 41.57 +18 05 18.8 U I41
2021-09-06 12:10:27 C 07 36 42.05 +18 05 25.4 U I41
2021-09-06 12:14:00 C 07 36 42.51 +18 05 32.0 U I41
2021-09-06 12:17:34 C 07 36 42.96 +18 05 38.3 U I41
2021-09-08 11:28:02 C 07 42 57.35 +19 30 04.5 V 703
2021-09-08 11:51:14 C 07 43 00.38 +19 30 44.2 V 703
2021-09-09 12:01:53 C 07 46 15.48 +20 13 16.6 U I41
2021-09-09 12:05:32 C 07 46 15.98 +20 13 23.0 U I41
2021-09-09 12:09:11 C 07 46 16.45 +20 13 29.5 U I41
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)