451397 (2011 EZ78)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5438130835 ± 3.64e-09
Semi-major axis (a)2.3920067282 AU ± 5.17e-09
Inclination (i)17.94362927° ± 2.02e-06
Long. of Asc. Node (Ω)109.81696948° ± 1.54e-06
Arg. of Perihelion (ω)179.73408355° ± 4.61e-06
Mean Anomaly (M)315.21566223° ± 5.09e-06
Mean Motion (n)0.2664211391°/day ± 8.64e-10
Perihelion dist (q)1.09120217 AU ± 9.02e-09
Aphelion dist (Q)3.69281128 AU ± 1.18e-08
Orbital Period3.69950480 yr ± 1.20e-08
Physical Parameters
H (abs. magnitude)17.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.254″
Uncertainty0
Orbit TypeAmor
MOID0.073101 AU
Observations Used716
Radar Obs Used1
Oppositions1
Arc Total2011-2025
First Observation Used2011-03-15
Last Observation Used2025-03-01
Observations (735)
Date Type RA Dec Mag Band Observatory
2011-07-13 16:28:07 C 21 03 41.54 -26 20 46.6 u 379
2011-07-13 16:28:51 C 21 03 41.84 -26 20 52.1 u 379
2011-07-13 16:29:35 C 21 03 42.14 -26 20 57.6 u 379
2011-07-13 16:29:58 C 21 03 42.28 -26 21 00.3 u 379
2011-07-13 16:30:42 C 21 03 42.56 -26 21 05.8 u 379
2011-07-13 16:31:03 C 21 03 42.71 -26 21 08.4 u 379
2011-07-13 16:31:26 C 21 03 42.89 -26 21 11.2 u 379
2011-07-13 16:31:48 C 21 03 43.02 -26 21 14.0 u 379
2011-07-13 16:32:32 C 21 03 43.32 -26 21 19.3 u 379
2011-07-13 16:33:52 C 21 03 43.87 -26 21 29.2 u 379
2011-07-13 16:34:14 C 21 03 44.00 -26 21 31.8 u 379
2011-07-13 16:34:58 C 21 03 44.31 -26 21 37.4 u 379
2011-07-13 16:35:19 C 21 03 44.46 -26 21 40.3 u 379
2011-07-13 16:36:03 C 21 03 44.76 -26 21 45.9 u 379
2011-07-13 16:37:31 C 21 03 45.35 -26 21 56.6 u 379
2011-07-13 16:38:59 C 21 03 45.93 -26 22 07.5 u 379
2011-07-13 16:39:21 C 21 03 46.09 -26 22 10.1 u 379
2011-07-13 16:39:44 C 21 03 46.25 -26 22 13.0 u 379
2011-07-13 16:41:13 C 21 03 46.83 -26 22 24.1 u 379
2011-07-13 16:41:34 C 21 03 46.99 -26 22 26.8 u 379
2011-07-13 16:41:57 C 21 03 47.12 -26 22 29.5 u 379
2011-07-13 16:42:41 C 21 03 47.44 -26 22 34.9 u 379
2011-07-13 16:43:02 C 21 03 47.59 -26 22 37.8 u 379
2011-07-13 16:43:25 C 21 03 47.73 -26 22 40.5 u 379
2011-07-13 16:43:46 C 21 03 47.89 -26 22 43.1 u 379
2011-07-13 16:45:36 C 21 03 48.64 -26 22 56.6 u 379
2011-07-13 16:46:20 C 21 03 48.91 -26 23 02.2 u 379
2011-07-13 16:47:48 C 21 03 49.52 -26 23 12.8 u 379
2011-07-23 03:54:03 C 22 40 02.69 -46 25 49.5 o 807
2011-07-23 03:57:37 C 22 40 04.01 -46 26 01.4 o 807
2011-07-23 04:14:58 C 22 40 10.41 -46 26 59.3 o 807
2011-07-23 04:18:33 C 22 40 11.69 -46 27 11.4 o 807
2011-07-23 04:22:07 C 22 40 13.02 -46 27 23.9 o 807
2011-07-26 15:39:52 C 23 10 01.215 -50 06 43.69 r E12
2011-07-26 16:01:09 C 23 10 07.782 -50 07 29.95 r E12
2011-07-26 16:22:38 C 23 10 14.391 -50 08 16.18 r E12
2011-08-12 03:37:05 C 00 30 57.45 -55 57 46.4 o 844
2011-08-12 04:23:32 C 00 31 01.60 -55 57 59.5 o 844
2011-08-12 04:35:38 C 00 31 02.68 -55 58 02.7 o 844
2011-08-12 04:48:12 C 00 31 03.77 -55 58 06.3 o 844
2011-09-03 07:00:41 C 00 45 08.57 -54 57 30.6 o 807
2011-09-03 07:05:09 C 00 45 08.48 -54 57 28.9 o 807
2011-09-03 07:09:35 C 00 45 08.35 -54 57 27.5 o 807
2011-09-03 07:14:05 C 00 45 08.19 -54 57 25.7 o 807
2011-09-11 05:09:37 C 00 40 01.88 -53 28 52.7 16.8 u I36
2011-09-11 05:12:21 C 00 40 01.72 -53 28 51.7 17.1 u I36
2011-09-11 05:15:06 C 00 40 01.74 -53 28 50.6 17.0 u I36
2011-09-19 08:04:50 C 00 33 31.75 -51 26 44.6 o 807
2011-09-19 08:10:55 C 00 33 31.49 -51 26 39.8 o 807
2011-09-19 08:16:59 C 00 33 31.28 -51 26 35.3 o 807
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-07-09 07:30:00 95885289.07 10 us 8560 -14 -14
2011-07-09.312500 9588528907 10000 us 8560 253 253
Station codes
-14 DSS-14 Goldstone (70-m)