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
2021-10-31 01:23:57 S 05 20 30.989 +15 00 02.59 V C57
2021-10-31 01:23:57 s 1 +29198.231 0 +372126.75 990.0 C57
2021-10-31 01:43:57 S 05 20 23.642 +14 59 33.14 V C57
2021-10-31 01:43:57 s 1 +28473.899 0 +372246.30 9130.0 C57
2021-10-31 01:53:57 S 05 20 19.582 +14 59 18.38 V C57
2021-10-31 01:53:57 s 1 +28111.631 0 +372304.52 2980.0 C57
2021-10-31 02:13:57 S 05 20 12.286 +14 58 38.42 V C57
2021-10-31 02:13:57 s 1 +27386.897 0 +372417.85 260.0 C57
2021-10-31 02:23:57 S 05 20 08.494 +14 58 22.58 V C57
2021-10-31 02:23:57 s 1 +27024.433 0 +372472.97 3700.0 C57
2021-10-31 03:03:57 S 05 19 54.965 +14 57 12.02 V C57
2021-10-31 03:03:57 s 1 +25573.955 0 +372683.09 6160.0 C57
2021-10-31 03:13:57 S 05 19 50.755 +14 57 04.46 V C57
2021-10-31 03:13:57 s 1 +25211.185 0 +372733.03 8970.0 C57
2021-10-31 03:23:57 S 05 19 47.722 +14 56 39.95 V C57
2021-10-31 03:23:57 s 1 +24848.356 0 +372781.94 1670.0 C57
2021-10-31 03:33:57 S 05 19 43.927 +14 56 25.04 V C57
2021-10-31 03:33:57 s 1 +24485.471 0 +372829.81 4260.0 C57
2021-10-31 03:43:57 S 05 19 39.958 +14 56 03.59 V C57
2021-10-31 03:43:57 s 1 +24122.529 0 +372876.65 6750.0 C57
2021-10-31 04:13:57 S 05 19 29.479 +14 55 16.28 V C57
2021-10-31 04:13:57 s 1 +23033.379 0 +373010.97 3600.0 C57
2021-10-31 04:23:57 S 05 19 25.649 +14 54 52.88 V C57
2021-10-31 04:23:57 s 1 +22670.223 0 +373053.67 5690.0 C57
2021-10-31 04:43:57 S 05 19 18.341 +14 54 23.26 V C57
2021-10-31 04:43:57 s 1 +21943.760 0 +373135.98 9620.0 C57
2021-10-31 04:53:57 S 05 19 14.258 +14 54 02.99 V C57
2021-10-31 04:53:57 s 1 +21580.454 0 +373175.58 1460.0 C57
2021-10-31 05:03:57 S 05 19 11.117 +14 53 43.66 V C57
2021-10-31 05:03:57 s 1 +21217.101 0 +373214.15 3220.0 C57
2021-10-31 05:13:57 S 05 19 07.442 +14 53 20.54 V C57
2021-10-31 05:13:57 s 1 +20853.701 0 +373251.69 4900.0 C57
2021-10-31 05:33:57 S 05 19 00.797 +14 53 02.29 V C57
2021-10-31 05:33:57 s 1 +20126.764 0 +373323.65 8070.0 C57
2021-10-31 06:03:57 S 05 18 49.838 +14 52 01.45 V C57
2021-10-31 06:03:57 s 1 +19036.032 0 +373423.85 2350.0 C57
2021-10-31 06:13:57 S 05 18 45.766 +14 51 45.94 V C57
2021-10-31 06:13:57 s 1 +18672.372 0 +373455.19 3670.0 C57
2021-10-31 06:23:57 S 05 18 42.564 +14 51 27.86 V C57
2021-10-31 06:23:57 s 1 +18308.672 0 +373485.48 4940.0 C57
2021-10-31 06:43:57 S 05 18 34.932 +14 50 47.80 V C57
2021-10-31 06:43:57 s 1 +17581.157 0 +373542.98 7340.0 C57
2021-10-31 06:53:57 S 05 18 31.049 +14 50 40.09 V C57
2021-10-31 06:53:57 s 1 +17217.344 0 +373570.18 8480.0 C57
2021-10-31 07:03:57 S 05 18 27.782 +14 50 22.24 V C57
2021-10-31 07:03:57 s 1 +16853.496 0 +373596.34 9590.0 C57
2021-10-31 07:13:57 S 05 18 23.851 +14 50 02.33 V C57
2021-10-31 07:13:57 s 1 +16489.612 0 +373621.48 660.0 C57
2021-10-31 07:53:57 S 05 18 09.497 +14 48 47.95 V C57
2021-10-31 07:53:57 s 1 +15033.753 0 +373711.67 4720.0 C57
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)