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
2024-01-11 05:38:43 C 23 30 48.247 +27 37 00.59 V T08
2024-01-11 05:42:57 C 23 30 48.684 +27 37 12.61 V T08
2024-01-11 05:47:02 C 23 30 49.193 +27 37 24.10 V T08
2024-01-11 05:58:56 C 23 30 50.568 +27 37 57.47 V T08
2024-01-11 06:01:40 C 23 30 50.892 +27 38 04.49 V T08
2024-01-15 05:30:38 C 23 41 56.158 +31 44 40.70 V T08
2024-01-15 05:35:18 C 23 41 56.678 +31 44 51.43 V T08
2024-01-15 05:43:17 C 23 41 57.574 +31 45 10.58 V T08
2024-01-15 06:04:52 C 23 41 59.993 +31 46 02.57 V T08
2025-03-24 11:19:43 C 15 11 31.312 +22 13 45.18 X F52
2025-03-24 11:37:05 C 15 11 30.546 +22 13 50.61 X F52
2025-03-24 11:54:29 C 15 11 29.772 +22 13 56.40 X F52
2025-03-24 12:11:54 C 15 11 28.996 +22 14 02.19 X F52
2025-04-20 08:04:14 C 14 31 16.648 +24 26 15.58 V G96
2025-04-20 08:11:41 C 14 31 16.100 +24 26 16.87 V G96
2025-04-20 08:19:09 C 14 31 15.503 +24 26 16.62 V G96
2025-04-20 08:26:36 C 14 31 14.898 +24 26 16.33 V G96
2025-04-26 12:33:02 C 14 19 40.041 +24 22 09.07 X F51
2025-04-26 12:51:27 C 14 19 38.562 +24 22 07.54 X F51
2025-04-26 13:09:49 C 14 19 37.085 +24 22 05.92 X F51
2025-04-26 13:28:12 C 14 19 35.608 +24 22 04.10 X F51
2025-05-02 07:35:11 C 14 08 42.900 +24 03 01.59 X F52
2025-05-02 07:54:36 C 14 08 41.356 +24 02 57.94 X F52
2025-05-02 08:14:01 C 14 08 39.807 +24 02 54.36 X F52
2025-05-02 08:33:29 C 14 08 38.255 +24 02 50.60 X F52
2025-05-19 10:00:12 C 13 39 10.580 +21 44 05.94 X F51
2025-05-19 10:17:58 C 13 39 09.434 +21 43 57.45 X F51
2025-05-19 10:35:40 C 13 39 08.314 +21 43 48.94 X F51
2025-05-30 08:57:10 C 13 24 38.183 +19 23 10.84 X F52
2025-05-30 09:15:40 C 13 24 37.272 +19 22 59.89 X F52
2025-05-30 09:34:10 C 13 24 36.393 +19 22 48.64 X F52
2025-05-30 09:52:42 C 13 24 35.494 +19 22 37.89 X F52
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)