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
2024-10-25 15:31:52 C 02 16 45.48 +11 42 12.8 V D29
2024-10-25 15:52:14 C 02 16 44.01 +11 42 08.2 V D29
2024-10-28 13:39:15 C 02 12 16.29 +11 26 46.5 V D29
2024-10-28 13:59:37 C 02 12 14.97 +11 26 42.2 V D29
2024-10-28 14:19:59 C 02 12 13.67 +11 26 38.0 V D29
2024-10-29 11:48:29 C 02 10 55.14 +11 22 06.4 V D29
2024-10-29 12:29:13 C 02 10 52.61 +11 21 57.9 V D29
2024-10-30 06:52:22 C 02 09 46.145 +11 18 12.28 V G96
2024-10-30 06:59:50 C 02 09 45.673 +11 18 10.69 V G96
2024-10-30 07:07:16 C 02 09 45.220 +11 18 09.00 V G96
2024-10-30 07:14:42 C 02 09 44.752 +11 18 07.52 V G96
2024-10-30 13:30:10 C 02 09 22.98 +11 16 51.4 V D29
2024-10-30 13:50:32 C 02 09 21.75 +11 16 47.4 V D29
2024-10-30 14:10:54 C 02 09 20.47 +11 16 42.6 V D29
2024-11-05 14:56:34 C 02 01 34.47 +10 50 25.8 V D29
2024-11-05 15:16:56 C 02 01 33.48 +10 50 23.1 V D29
2024-11-05 15:37:17 C 02 01 32.48 +10 50 19.9 V D29
2024-11-05 22:24:08 B 02 01 12.99 +10 49 13.6 V 204
2024-11-05 22:34:15 B 02 01 12.48 +10 49 11.9 V 204
2024-11-10 06:52:18 C 01 56 38.871 +10 34 32.13 X F52
2024-11-10 07:08:40 C 01 56 38.182 +10 34 30.09 X F52
2024-11-10 07:25:01 C 01 56 37.484 +10 34 28.14 X F52
2024-11-10 07:41:26 C 01 56 36.795 +10 34 26.06 X F52
2024-11-21 06:27:01 C 01 48 46.177 +10 13 19.79 X F52
2024-11-21 06:44:40 C 01 48 45.780 +10 13 19.14 X F52
2024-11-21 07:02:14 C 01 48 45.390 +10 13 18.48 X F52
2024-11-21 07:19:53 C 01 48 44.996 +10 13 17.92 X F52
2024-11-27 05:09:58 C 01 46 34.135 +10 11 11.68 X F52
2024-11-27 05:24:49 C 01 46 33.945 +10 11 11.74 X F52
2024-11-27 05:39:38 C 01 46 33.761 +10 11 11.85 X F52
2024-11-27 05:54:25 C 01 46 33.582 +10 11 12.17 X F52
2024-12-02 05:27:32 C 01 45 44.210 +10 14 10.29 X F51
2024-12-02 05:46:31 C 01 45 44.106 +10 14 11.11 X F51
2024-12-02 06:05:42 C 01 45 44.013 +10 14 11.97 X F51
2024-12-22 04:50:11 C 01 50 09.996 +11 02 10.86 V V00
2024-12-22 04:58:18 C 01 50 10.151 +11 02 12.23 V V00
2024-12-22 05:06:23 C 01 50 10.295 +11 02 13.49 V V00
2024-12-22 05:14:28 C 01 50 10.464 +11 02 14.28 V V00
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)