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
2021-11-26 10:06:07 C 02 33 30.03 +00 41 23.4 V T08
2021-11-28 01:31:22 C 02 28 08.62 +00 19 08.9 V W46
2021-11-28 01:41:32 C 02 28 07.25 +00 19 03.3 V W46
2021-11-28 01:55:22 C 02 28 05.35 +00 18 55.7 V W46
2021-11-28 06:35:40 C 02 27 28.00 +00 16 33.6 V 703
2021-11-28 06:43:21 C 02 27 26.93 +00 16 30.3 V 703
2021-11-28 06:51:02 C 02 27 25.82 +00 16 26.3 V 703
2021-11-28 06:58:44 C 02 27 24.78 +00 16 22.2 V 703
2021-11-28 09:24:40 C 02 27 06.46 +00 15 15.5 V T05
2021-11-28 09:30:37 C 02 27 05.62 +00 15 12.0 V T05
2021-11-28 09:41:13 C 02 27 04.22 +00 15 07.1 V T05
2021-11-28 10:02:27 C 02 27 01.35 +00 14 56.2 V T05
2021-12-02 05:06:51 C 02 16 50.51 -00 22 11.3 V 703
2021-12-02 05:14:24 C 02 16 49.71 -00 22 12.6 V 703
2021-12-02 05:21:57 C 02 16 48.92 -00 22 15.7 V 703
2021-12-02 05:29:31 C 02 16 48.04 -00 22 18.7 V 703
2021-12-05 04:26:00 C 02 10 34.94 -00 40 45.0 V G96
2021-12-05 04:36:28 C 02 10 34.04 -00 40 47.0 V G96
2021-12-05 04:46:57 C 02 10 33.14 -00 40 49.3 V G96
2021-12-05 04:57:28 C 02 10 32.24 -00 40 51.2 V G96
2021-12-05 05:35:04 C 02 10 29.07 -00 40 59.2 V 703
2021-12-05 05:42:42 C 02 10 28.33 -00 41 01.1 V 703
2021-12-05 05:50:20 C 02 10 27.78 -00 41 01.9 V 703
2021-12-05 05:57:59 C 02 10 27.07 -00 41 03.3 V 703
2025-11-18 01:10:56 C 08 43 38.017 +07 16 46.10 X 033
2025-11-18 01:14:05 C 08 43 38.165 +07 16 42.79 X 033
2025-11-18 01:17:13 C 08 43 38.327 +07 16 40.40 X 033
2025-11-18 01:20:21 C 08 43 38.507 +07 16 37.70 X 033
2025-11-18 03:02:39 C 08 43 43.946 +07 15 07.60 X 033
2025-11-18 03:05:47 C 08 43 44.116 +07 15 04.90 X 033
2025-11-18 03:08:55 C 08 43 44.285 +07 15 02.10 X 033
2025-11-18 03:12:03 C 08 43 44.368 +07 14 59.90 X 033
2025-11-25 13:26:10 C 08 53 11.874 +04 24 44.49 X F51
2025-11-25 13:43:28 C 08 53 12.653 +04 24 26.68 X F51
2025-11-25 14:00:51 C 08 53 13.436 +04 24 08.61 X F51
2025-11-25 14:18:22 C 08 53 14.230 +04 23 50.58 X F51
2025-11-28 13:34:48 C 08 56 43.350 +03 07 17.16 X F51
2025-11-28 13:51:43 C 08 56 44.064 +03 06 58.29 X F51
2025-11-28 14:15:23 C 08 56 45.058 +03 06 31.88 X F51
2025-11-28 14:32:26 C 08 56 45.774 +03 06 12.98 X F51
2025-12-01 10:01:27 C 08 59 54.294 +01 48 07.13 V G96
2025-12-01 10:14:55 C 08 59 54.852 +01 47 51.11 V G96
2025-12-01 10:22:20 C 08 59 55.126 +01 47 41.96 V G96
2025-12-01 10:29:46 C 08 59 55.435 +01 47 32.71 V G96
2025-12-02 14:10:25 C 09 01 09.649 +01 13 51.45 X F52
2025-12-02 14:28:24 C 09 01 10.331 +01 13 29.06 X F52
2025-12-02 14:46:30 C 09 01 11.032 +01 13 06.57 X F52
2025-12-12 12:04:00 C 09 10 39.756 -04 31 51.28 V G96
2025-12-12 12:11:26 C 09 10 39.968 -04 32 04.16 V G96
2025-12-12 12:18:55 C 09 10 40.195 -04 32 16.84 V G96
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)