14827 Hypnos (1986 JK)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6642732116 ± 6.00e-09
Semi-major axis (a)2.8507395633 AU ± 1.69e-09
Inclination (i)1.96534076° ± 2.18e-06
Long. of Asc. Node (Ω)57.72682549° ± 2.48e-05
Arg. of Perihelion (ω)238.64061590° ± 2.49e-05
Mean Anomaly (M)103.39722102° ± 3.63e-07
Mean Motion (n)0.2047745412°/day ± 1.82e-10
Perihelion dist (q)0.95706964 AU ± 1.71e-08
Aphelion dist (Q)4.74440949 AU ± 1.73e-08
Orbital Period4.81322667 yr ± 4.29e-09
Physical Parameters
H (abs. magnitude)18.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.277″
Uncertainty0
Orbit TypeApollo
MOID0.015788 AU
Observations Used362
Radar Obs Used10
Oppositions1
Arc Total1986-2024
First Observation Used1986-05-04
Last Observation Used2024-12-22
Observations (388)
Date Type RA Dec Mag Band Observatory
2024-05-08 23:10:31 C 16 26 49.954 -20 37 49.44 V M22
2024-05-09 23:02:21 C 16 30 17.662 -20 52 49.33 V M22
2024-05-09 23:07:00 C 16 30 18.300 -20 52 52.18 V M22
2024-05-09 23:44:54 C 16 30 23.606 -20 53 17.12 V M22
2024-05-09 23:49:00 C 16 30 24.180 -20 53 19.79 V M22
2024-05-12 04:52:23 C 16 39 04.459 -21 29 59.64 V W68
2024-05-12 04:54:59 C 16 39 04.898 -21 30 01.51 V W68
2024-05-12 04:59:38 C 16 39 05.674 -21 30 05.08 V W68
2024-05-12 05:38:38 C 16 39 12.134 -21 30 34.27 V W68
2024-05-12 23:02:52 C 16 42 23.328 -21 43 38.89 V M22
2024-05-12 23:06:10 C 16 42 23.909 -21 43 41.48 V M22
2024-05-12 23:11:29 C 16 42 24.852 -21 43 45.59 V M22
2024-05-12 23:18:46 C 16 42 26.134 -21 43 51.24 V M22
2024-05-13 23:14:40 C 16 47 07.742 -22 02 48.44 V M22
2024-05-13 23:21:33 C 16 47 09.055 -22 02 54.28 V M22
2024-05-13 23:30:08 C 16 47 10.697 -22 03 01.37 V M22
2024-05-17 03:46:08 C 17 05 04.886 -23 10 52.10 V M22
2024-05-17 03:52:17 C 17 05 06.499 -23 10 57.76 V M22
2024-05-17 04:03:47 C 17 05 09.526 -23 11 07.94 V M22
2024-05-17 04:24:46 C 17 05 15.072 -23 11 26.84 V M22
2024-05-17 23:28:27 C 17 10 41.206 -23 30 28.08 V M22
2024-05-17 23:31:11 C 17 10 42.010 -23 30 30.92 V M22
2024-05-17 23:35:50 C 17 10 43.284 -23 30 35.64 V M22
2024-05-17 23:59:05 C 17 10 49.774 -23 30 59.22 V M22
2024-05-18 09:34:38 C 17 13 41.966 -23 41 45.92 V U52
2024-05-18 09:37:54 C 17 13 42.869 -23 41 48.88 V U52
2024-05-18 09:41:11 C 17 13 43.920 -23 41 52.58 V U52
2024-05-20 22:24:41 C 17 34 52.034 -24 46 06.31 V M22
2024-05-20 22:27:19 C 17 34 53.033 -24 46 09.48 V M22
2024-05-20 22:31:55 C 17 34 54.775 -24 46 14.77 V M22
2024-05-20 22:46:01 C 17 35 00.118 -24 46 31.04 V M22
2024-05-28 22:25:51 C 19 34 03.931 -27 14 30.95 X L68
2024-05-28 22:27:07 C 19 34 05.062 -27 14 30.73 X L68
2024-05-28 22:28:13 C 19 34 06.053 -27 14 30.48 X L68
2024-05-30 00:27:23 C 19 58 12.996 -26 58 49.98 V M22
2024-05-30 00:30:01 C 19 58 15.454 -26 58 47.71 V M22
2024-05-30 00:42:11 C 19 58 26.844 -26 58 36.98 V M22
2024-05-31 07:19:08 C 20 28 55.896 -26 16 15.89 V W68
2024-05-31 07:23:09 C 20 28 59.897 -26 16 08.80 V W68
2024-05-31 07:27:51 C 20 29 04.579 -26 16 00.34 V W68
2024-05-31 07:47:23 C 20 29 24.007 -26 15 25.02 V W68
2024-06-03 10:43:07 C 21 47 19.118 -22 34 06.92 V 703
2024-06-03 10:46:35 C 21 47 22.531 -22 33 53.68 V 703
2024-06-03 10:50:02 C 21 47 25.976 -22 33 39.78 V 703
2024-06-03 10:53:30 C 21 47 29.400 -22 33 25.56 V 703
2024-06-05 02:22:19 B 22 26 02.866 -19 41 03.95 Z M49
2024-06-05 02:41:53 B 22 26 20.518 -19 39 35.42 Z M49
2024-06-05 03:02:19 B 22 26 38.899 -19 38 02.76 Z M49
2024-06-05 03:33:41 B 22 27 07.054 -19 35 39.95 Z M49
2024-06-05 03:53:28 B 22 27 24.768 -19 34 09.37 Z M49
Radar Observations (10)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-05-28 09:50:00 163427 6 Hz 8495 -14 -14
1986-05-28 09:58:00 161625 6 Hz 8495 -14 -14
1986-05-28 10:25:00 155476 6 Hz 8495 -14 -14
1986-05-28 10:32:00 153863 6 Hz 8495 -14 -14
1986-05-28 10:40:00 152014 6 Hz 8495 -14 -14
1986-05-28 10:48:00 150158 6 Hz 8495 -14 -14
1986-05-28 10:55:00 148527 6 Hz 8495 -14 -14
1986-05-28 11:04:00 146427 6 Hz 8495 -14 -14
1986-05-28 11:14:00 144080 6 Hz 8495 -14 -14
1986-05-30 12:35:00 -314665 30 Hz 8495 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)