2014 HM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5300053000
Semi-major axis (a)1.0990811000 AU
Inclination (i)1.31345000°
Long. of Asc. Node (Ω)30.81916000°
Arg. of Perihelion (ω)297.97051000°
Mean Anomaly (M)325.95187000°
Mean Motion (n)0.8553807900°/day
Perihelion dist (q)0.51656230 AU
Aphelion dist (Q)1.68159990 AU
Orbital Period1.15224440 yr
Physical Parameters
H (abs. magnitude)26.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.880″
Uncertainty5
Orbit TypeApollo
MOID0.001644 AU
Observations Used28
Radar Obs Used2
Oppositions1
Arc Total
First Observation Used
Last Observation Used2014-04-26
Observations (33)
Date Type RA Dec Mag Band Observatory
2014-04-23 09:30:55 C 14 11 57.169 -15 39 02.99 V F51
2014-04-23 09:49:12 C 14 11 39.296 -15 39 16.79 V F51
2014-04-23 10:07:31 C 14 11 21.090 -15 39 30.13 V F51
2014-04-23 10:25:49 C 14 11 02.683 -15 39 42.84 V F51
2014-04-24 05:52:27 C 13 44 02.14 -15 55 00.4 q 703
2014-04-24 05:59:40 C 13 43 45.24 -15 55 06.0 q 703
2014-04-24 06:06:55 C 13 43 28.09 -15 55 11.8 q 703
2014-04-24 06:14:08 C 13 43 10.93 -15 55 16.5 q 703
2014-04-24 06:48:18 C 13 41 48.04 -15 55 39.8 q 703
2014-04-24 06:49:44 C 13 41 44.42 -15 55 41.8 q 703
2014-04-24 06:51:10 C 13 41 40.81 -15 55 41.4 q 703
2014-04-24 06:52:36 C 13 41 37.35 -15 55 43.0 q 703
2014-04-24 06:54:03 C 13 41 33.84 -15 55 45.3 q 703
2014-04-24 09:08:36 C 13 35 37.73 -15 56 21.6 q 703
2014-04-24 09:09:09 C 13 35 36.34 -15 56 22.7 q 703
2014-04-24 09:09:43 C 13 35 34.61 -15 56 21.8 q 703
2014-04-24 09:10:16 C 13 35 33.22 -15 56 21.7 q 703
2014-04-24 09:10:48 C 13 35 31.60 -15 56 22.4 q 703
2014-04-24 10:00:37 C 13 33 08.83 -15 56 13.4 q 703
2014-04-24 10:01:10 C 13 33 07.11 -15 56 13.4 q 703
2014-04-24 10:02:16 C 13 33 03.95 -15 56 12.9 q 703
2014-04-24 10:02:49 C 13 33 02.29 -15 56 13.0 q 703
2014-04-24 14:02:18 C 13 20 51.46 -15 57 35.9 q 900
2014-04-24 14:04:52 C 13 20 41.50 -15 57 36.5 q 900
2014-04-24 14:07:27 C 13 20 31.50 -15 57 35.1 q 900
2014-04-25 02:46:52 C 12 00 49.16 -14 53 45.4 q H36
2014-04-25 02:48:44 C 12 00 28.71 -14 53 16.7 q H36
2014-04-25 02:52:11 C 11 59 51.11 -14 52 24.3 q H36
2014-04-25 02:55:55 C 11 59 10.16 -14 51 26.4 q H36
2014-04-25 02:57:10 C 11 58 56.52 -14 51 07.8 q H36
2014-04-25 04:28:51 C 11 40 45.61 -14 22 07.7 q H36
2014-04-25 04:32:05 C 11 40 04.45 -14 20 54.3 q H36
2014-04-25 04:34:14 C 11 39 36.81 -14 20 05.9 q H36
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-04-26 17:27:00 -249589.7826 4 Hz 2380 -1 -1
2014-04-26 17:55:00 12090979 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)