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
2012-01-18 04:31:18 C 03 13 40.88 -08 50 50.4 20.0 c 704
2012-01-21 04:33:42 C 03 03 14.51 -08 41 22.7 G47
2012-01-21 05:33:50 C 03 03 05.89 -08 41 12.8 G47
2012-02-03 02:06:59 C 02 27 34.79 -07 38 47.0 u 448
2012-02-03 03:08:58 C 02 27 28.24 -07 38 32.2 u 448
2014-10-18 20:59:57 S 07 37 32.743 +28 03 50.98 L C51
2014-10-23 01:57:30 C 05 13 10.11 +22 57 58.7 q 160
2014-10-23 01:59:00 C 05 13 07.96 +22 57 49.7 q 160
2014-10-23 02:00:39 C 05 13 05.63 +22 57 41.1 q 160
2014-10-24 09:01:23 C 04 32 40.35 +19 50 27.4 q 703
2014-10-24 09:11:42 C 04 32 27.34 +19 49 22.7 q 703
2014-10-24 09:22:01 C 04 32 14.36 +19 48 18.0 q 703
2014-10-24 09:32:19 C 04 32 01.36 +19 47 13.2 q 703
2014-10-25 21:32:24 C 03 52 27.08 +16 00 26.7 r 006
2014-10-25 21:37:23 C 03 52 22.12 +15 59 57.0 r 006
2014-10-25 21:43:18 C 03 52 16.08 +15 59 21.3 r 006
2014-10-25 21:48:11 C 03 52 11.22 +15 58 52.1 r 006
2014-10-25 22:05:47 C 03 51 53.98 +15 57 05.5 v I76
2014-10-25 22:06:45 C 03 51 53.02 +15 57 00.0 v I76
2014-10-25 22:07:44 C 03 51 52.03 +15 56 54.2 v I76
2014-10-25 22:08:43 C 03 51 51.03 +15 56 47.8 v I76
2014-10-25 22:09:42 C 03 51 50.04 +15 56 42.1 v I76
2014-10-25 23:08:07 C 03 50 44.84 +15 50 52.4 q B18
2014-10-25 23:27:57 C 03 50 24.69 +15 48 51.1 q B18
2014-10-26 00:11:44 C 03 49 40.44 +15 44 22.9 q B18
2014-10-26 00:20:00 C 03 49 32.09 +15 43 32.1 q B18
2014-10-26 00:28:16 C 03 49 23.78 +15 42 41.4 q B18
2014-10-26 01:10:37 C 03 48 41.41 +15 38 21.4 q B18
2014-10-26 02:08:39 C 03 47 43.90 +15 32 24.2 q B18
2014-10-26 02:21:53 C 03 47 30.86 +15 31 02.5 q B18
2014-10-26 20:09:23 C 03 31 29.56 +13 46 32.8 q B18
2014-10-26 20:25:55 C 03 31 14.87 +13 44 59.4 q B18
2014-10-26 22:50:39 C 03 29 07.00 +13 31 21.5 q B18
2014-10-26 23:04:26 C 03 28 54.92 +13 30 03.7 q B18
2014-10-26 23:18:14 C 03 28 42.85 +13 28 45.6 q B18
2014-10-27 02:00:28 C 03 26 23.18 +13 13 26.3 q B18
2014-10-27 08:51:39 C 03 20 54.52 +12 36 21.1 t 705
2014-10-27 09:08:15 C 03 20 40.79 +12 34 50.9 t 705
2014-10-27 18:17:26 C 03 13 47.31 +11 45 47.6 q B18
2014-10-27 18:31:13 C 03 13 36.80 +11 44 37.2 q B18
2014-10-27 20:24:16 C 03 12 10.55 +11 34 59.8 q B18
2014-10-27 20:40:58 C 03 11 57.81 +11 33 34.7 q B18
2014-10-27 20:52:01 C 03 11 49.40 +11 32 38.3 q B18
2014-10-27 21:08:34 C 03 11 36.79 +11 31 14.0 q B18
2014-10-27 21:09:25 C 03 11 38.58 +11 30 53.1 u 557
2014-10-27 21:21:23 C 03 11 30.23 +11 30 00.3 q 434
2014-10-27 21:23:23 C 03 11 28.82 +11 29 50.4 q 434
2014-10-27 21:25:24 C 03 11 27.31 +11 29 40.5 q 434
2014-10-27 21:40:18 C 03 11 15.41 +11 28 16.9 u 557
2014-10-27 22:10:07 C 03 10 53.01 +11 25 45.6 u 557
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)