2012 DH54

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1463175368 ± 1.31e-07
Semi-major axis (a)0.9368641614 AU ± 1.07e-07
Inclination (i)3.30060194° ± 5.17e-06
Long. of Asc. Node (Ω)161.80468769° ± 7.47e-05
Arg. of Perihelion (ω)131.65604919° ± 8.68e-05
Mean Anomaly (M)293.50396098° ± 8.90e-04
Mean Motion (n)1.0869193925°/day ± 1.87e-07
Perihelion dist (q)0.79978450 AU ± 1.53e-07
Aphelion dist (Q)1.07394382 AU ± 1.74e-07
Orbital Period0.90680716 yr ± 1.56e-07
Physical Parameters
H (abs. magnitude)27.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.274″
Uncertainty0
Orbit TypeAten
MOID0.009051 AU
Observations Used34
Radar Obs Used2
Oppositions1
Arc Total2012-2012
First Observation Used2012-02-27
Last Observation Used2012-03-12
Observations (34)
Date Type RA Dec Mag Band Observatory
2012-02-27 11:11:08 C 12 00 07.127 -08 11 58.97 L F51
2012-02-27 11:32:24 C 12 00 06.060 -08 10 59.50 L F51
2012-02-27 12:14:58 C 12 00 03.871 -08 08 58.38 L F51
2012-02-28 06:34:03 C 12 00 29.69 -07 14 19.1 t H21
2012-02-28 06:44:16 C 12 00 29.23 -07 13 45.6 t H21
2012-02-28 06:54:29 C 12 00 28.82 -07 13 12.5 t H21
2012-02-28 07:04:42 C 12 00 28.39 -07 12 39.5 t H21
2012-02-28 08:41:29 C 12 00 42.224 -07 05 55.54 o 568
2012-02-28 08:43:17 C 12 00 42.167 -07 05 49.77 o 568
2012-02-28 08:45:05 C 12 00 42.113 -07 05 43.99 o 568
2012-03-03 11:24:25 C 12 02 41.93 +01 18 33.1 o 291
2012-03-03 11:25:12 C 12 02 41.93 +01 18 39.4 o 291
2012-03-03 11:25:57 C 12 02 41.85 +01 18 44.4 o 291
2012-03-04 06:22:45 C 12 03 53.88 +04 02 02.5 o 291
2012-03-04 06:23:28 C 12 03 53.81 +04 02 09.9 o 291
2012-03-04 06:24:08 C 12 03 53.75 +04 02 15.9 o 291
2012-03-05 02:01:50 C 12 04 26.56 +07 29 06.8 u J95
2012-03-05 02:08:42 C 12 04 26.28 +07 30 28.1 u J95
2012-03-05 02:14:52 C 12 04 26.00 +07 31 41.7 u J95
2012-03-05 05:08:19 C 12 05 02.11 +08 08 37.6 o H01
2012-03-05 05:18:47 C 12 05 01.74 +08 10 48.9 o H01
2012-03-05 05:29:00 C 12 05 01.32 +08 12 57.3 o H01
2012-03-05 05:40:07 C 12 05 00.83 +08 15 17.5 o H01
2012-03-05 08:12:59 C 12 04 44.77 +08 47 00.5 u H36
2012-03-05 08:27:50 C 12 04 43.76 +08 50 10.8 u H36
2012-03-05 08:35:14 C 12 04 43.24 +08 51 44.5 u H36
2012-03-07 23:19:01 C 12 10 40.01 +29 29 41.0 u J95
2012-03-07 23:29:01 C 12 10 40.03 +29 34 36.9 u J95
2012-03-08 00:06:42 C 12 10 39.76 +29 53 15.1 u J95
2012-03-08 00:17:07 C 12 10 39.58 +29 58 24.3 u J95
2012-03-12 02:25:43 C 22 17 38.77 +82 12 56.5 o H01
2012-03-12 02:42:24 C 22 20 03.09 +82 03 22.0 o H01
2012-03-12 03:01:20 C 22 22 41.24 +81 52 31.7 o H01
2012-03-12 03:20:43 C 22 25 17.13 +81 41 28.0 o H01
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-03-08 05:40:00 42708.4 2 Hz 2380 -1 -1
2012-03-08 06:09:00 10278378.5 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)