2340 Hathor (1976 UA)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4499362759 ± 2.00e+00
Semi-major axis (a)0.8438607999 AU ± 3.00e+00
Inclination (i)5.86058780° ± 4.00e+00
Long. of Asc. Node (Ω)211.28370419° ± 5.00e+00
Arg. of Perihelion (ω)40.11847477° ± 6.00e+00
Mean Anomaly (M)201.97974796° ± 9.88e-06
Mean Motion (n)1.2714698219°/day ± 6.78e+00
Perihelion dist (q)0.46417721 AU ± 2.36e+00
Aphelion dist (Q)1.22354439 AU ± 4.67e+00
Orbital Period0.77518653 yr ± 4.13e+00
NGA Modelr2
A2-3.12283792e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual1.084″
Uncertainty0
Orbit TypeAten
MOID0.006333 AU
Observations Used1452
Oppositions15
Arc Total1976-2026
First Observation Used1976-10-22
Last Observation Used2026-01-18
Observations (2217)
Date Type RA Dec Mag Band Observatory
2014-11-08 03:07:26 C 01 35 06.12 -00 28 52.6 u H21
2014-11-08 03:11:48 C 01 35 05.37 -00 28 56.9 u H21
2014-11-09 03:17:12 C 01 31 32.69 -00 54 51.0 u H21
2014-11-09 03:21:25 C 01 31 32.02 -00 54 54.8 u H21
2014-11-09 03:26:19 C 01 31 31.30 -00 54 59.7 u H21
2014-11-09 06:33:26 C 01 31 03.89 -00 58 00.8 t 705
2014-11-09 06:35:17 C 01 31 03.62 -00 58 02.7 t 705
2014-11-09 06:37:07 C 01 31 03.33 -00 58 04.6 t 705
2014-11-16 05:51:04 C 01 15 23.43 -02 45 54.4 q G96
2014-11-16 05:58:37 C 01 15 22.89 -02 45 57.3 q G96
2014-11-16 06:06:11 C 01 15 22.34 -02 46 00.2 q G96
2014-11-16 06:13:44 C 01 15 21.81 -02 46 03.0 q G96
2014-11-17 04:17:55 C 01 14 07.18 -02 53 49.6 R G45
2014-11-17 04:23:54 C 01 14 06.80 -02 53 51.8 R G45
2014-11-17 04:29:52 C 01 14 06.38 -02 53 53.7 R G45
2014-11-17 04:31:54 C 01 14 06.27 -02 53 54.0 R G45
2014-11-17 04:37:52 C 01 14 05.86 -02 53 56.3 R G45
2014-11-17 04:45:41 C 01 14 05.37 -02 53 58.8 R G45
2014-11-17 04:51:39 C 01 14 04.98 -02 54 00.8 R G45
2014-11-18 02:31:08 C 01 12 59.69 -03 00 35.3 u H21
2014-11-18 02:34:56 C 01 12 59.47 -03 00 36.7 u H21
2014-11-18 02:38:07 C 01 12 59.30 -03 00 37.4 u H21
2014-11-18 02:41:29 C 01 12 59.12 -03 00 38.4 u H21
2014-11-18 02:44:35 C 01 12 58.94 -03 00 39.0 u H21
2014-11-18 04:20:01 C 01 12 54.16 -03 01 01.9 R G45
2014-11-18 04:28:01 C 01 12 53.70 -03 01 04.5 R G45
2014-11-18 04:33:59 C 01 12 53.37 -03 01 06.3 R G45
2014-11-18 04:41:57 C 01 12 52.91 -03 01 08.1 R G45
2014-11-18 04:47:54 C 01 12 52.59 -03 01 09.4 R G45
2014-11-19 04:09:44 C 01 11 50.96 -03 07 00.2 R G45
2014-11-19 04:16:11 C 01 11 50.61 -03 07 01.7 R G45
2014-11-19 04:24:29 C 01 11 50.15 -03 07 03.8 R G45
2014-11-19 04:30:27 C 01 11 49.85 -03 07 05.1 R G45
2014-11-19 04:32:26 C 01 11 49.75 -03 07 05.4 R G45
2014-11-19 04:38:24 C 01 11 49.46 -03 07 06.6 R G45
2014-11-19 22:06:10 C 01 11 07.78 -03 10 53.5 q 160
2014-11-19 22:09:09 C 01 11 07.66 -03 10 53.8 q 160
2014-11-19 22:12:09 C 01 11 07.53 -03 10 54.6 q 160
2014-11-20 04:24:50 C 01 10 54.91 -03 11 59.1 q G96
2014-11-20 04:35:46 C 01 10 54.41 -03 12 01.1 q G96
2014-11-20 04:49:34 C 01 10 53.79 -03 12 03.6 q G96
2014-11-20 05:00:29 C 01 10 53.29 -03 12 05.6 q G96
2014-11-22 04:32:37 C 01 09 26.49 -03 18 57.5 q 703
2014-11-22 04:39:49 C 01 09 26.25 -03 18 58.2 q 703
2014-11-22 04:47:01 C 01 09 25.96 -03 18 58.9 q 703
2014-11-22 04:54:13 C 01 09 25.71 -03 18 59.6 q 703
2014-11-23 03:50:25 C 01 08 53.74 -03 21 05.9 R G45
2014-11-23 03:56:24 C 01 08 53.59 -03 21 06.0 R G45
2014-11-23 04:04:29 C 01 08 53.34 -03 21 07.5 R G45
2014-11-23 04:04:35 C 01 08 53.33 -03 21 07.1 R G45
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-10-20 07:40:00 166355.453 2 Hz 8560 -14 -14
2014-10-20 08:35:00 41303.3259 1 Hz 2380 -1 -1
2014-10-20 08:40:00 49250902.97 3 us 8560 -14 -14
2014-10-20 10:20:00 49138106.93 0.3 us 2380 -1 -1
2014-10-21 07:36:00 17315.52 0.5 Hz 2380 -1 -1
2014-10-21 08:00:00 48261871.2 0.2 us 2380 -1 -1
2014-10-22 09:00:00 48227416.89 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)