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
2014-10-27 22:38:47 C 03 10 31.50 +11 23 20.5 u 557
2014-10-27 23:04:05 C 03 10 13.15 +11 21 23.6 q 160
2014-10-27 23:06:52 C 03 10 11.08 +11 21 09.9 q 160
2014-10-27 23:09:41 C 03 10 08.94 +11 20 56.8 q 160
2014-10-27 23:10:44 C 03 10 07.57 +11 20 38.7 u 557
2014-10-27 23:41:42 C 03 09 44.45 +11 18 02.2 u 557
2014-10-28 00:10:36 C 03 09 19.80 +11 15 45.4 q B18
2014-10-28 00:10:42 C 03 09 22.89 +11 15 35.6 u 557
2014-10-28 00:35:27 C 03 09 01.45 +11 13 38.8 q B18
2014-10-28 00:49:14 C 03 08 51.28 +11 12 28.5 q B18
2014-10-28 18:21:15 C 02 57 11.52 +09 47 59.2 q B18
2014-10-28 18:37:48 C 02 57 00.69 +09 46 44.0 q B18
2014-10-28 19:31:01 C 02 56 27.29 +09 42 25.9 u 557
2014-10-28 20:00:44 C 02 56 08.12 +09 40 11.4 u 557
2014-10-28 20:30:19 C 02 55 49.04 +09 37 58.2 u 557
2014-10-28 20:59:22 C 02 55 30.31 +09 35 47.3 u 557
2014-10-28 21:30:52 C 02 55 09.97 +09 33 25.3 u 557
2014-10-28 22:00:29 C 02 54 50.88 +09 31 12.1 u 557
2014-10-28 22:08:21 C 02 54 43.03 +09 30 48.9 q B18
2014-10-28 22:21:35 C 02 54 34.46 +09 29 49.0 q B18
2014-10-28 22:30:10 C 02 54 31.79 +09 28 59.0 u 557
2014-10-28 22:35:22 C 02 54 25.55 +09 28 46.6 q B18
2014-10-29 00:04:12 C 02 53 31.53 +09 21 57.3 u 557
2014-10-29 00:30:41 C 02 53 14.64 +09 19 58.6 u 557
2014-10-29 00:59:42 C 02 52 53.61 +09 17 55.9 q B18
2014-10-29 01:00:17 C 02 52 55.91 +09 17 46.2 u 557
2014-10-29 01:21:45 C 02 52 39.83 +09 16 16.6 q B18
2014-10-29 01:30:01 C 02 52 37.20 +09 15 33.7 u 557
2014-10-29 01:59:56 C 02 52 18.46 +09 13 20.2 u 557
2014-10-29 02:30:21 C 02 51 59.51 +09 11 04.4 u 557
2014-10-29 03:00:46 C 02 51 40.73 +09 08 49.3 u 557
2014-10-29 03:25:47 C 02 51 25.39 +09 06 58.2 u 557
2014-10-29 18:10:16 C 02 43 08.30 +08 05 02.5 q B18
2014-10-29 18:29:34 C 02 42 57.46 +08 03 45.1 q B18
2014-10-29 20:34:23 C 02 41 47.07 +07 55 27.0 q B18
2014-10-29 20:48:10 C 02 41 39.31 +07 54 32.0 q B18
2014-10-29 21:01:58 C 02 41 31.57 +07 53 37.0 q B18
2014-10-29 23:57:40 C 02 39 57.06 +07 42 01.9 q 160
2014-10-30 00:00:27 C 02 39 55.52 +07 41 50.8 q 160
2014-10-30 00:03:04 C 02 39 54.08 +07 41 40.8 q 160
2014-10-30 00:53:13 C 02 39 24.07 +07 38 21.0 q B18
2014-10-30 01:07:00 C 02 39 16.67 +07 37 26.8 q B18
2014-10-30 07:07:48 C 02 36 17.28 +07 14 49.8 q G96
2014-10-30 07:08:30 C 02 36 16.89 +07 14 47.1 q G96
2014-10-30 07:09:14 C 02 36 16.51 +07 14 44.4 q G96
2014-10-30 07:09:57 C 02 36 16.13 +07 14 41.7 q G96
2014-10-31 02:38:18 C 02 27 06.88 +06 04 56.4 P V78
2014-10-31 03:13:14 C 02 26 51.17 +06 02 57.6 P V78
2014-10-31 03:39:43 C 02 26 39.04 +06 01 29.2 P V78
2014-11-01 00:43:03 C 02 17 49.33 +04 55 12.0 q 160
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)