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
2011-07-05 06:44:05 C 19 45 50.05 +00 01 43.0 o H26
2011-07-05 06:44:29 C 19 45 50.17 +00 01 40.2 o H26
2011-07-05 06:44:53 C 19 45 50.29 +00 01 37.4 o H26
2011-07-05 06:45:17 C 19 45 50.42 +00 01 34.5 o H26
2011-07-05 06:45:39 C 19 45 50.54 +00 01 31.7 o H26
2011-07-05 08:15:07 C 19 46 18.50 -00 09 07.6 o H26
2011-07-05 08:15:32 C 19 46 18.63 -00 09 10.8 o H26
2011-07-05 08:15:56 C 19 46 18.74 -00 09 13.5 o H26
2011-07-05 08:16:20 C 19 46 18.86 -00 09 16.4 o H26
2011-07-05 08:16:43 C 19 46 18.98 -00 09 19.1 o H26
2011-07-05 08:17:07 C 19 46 19.10 -00 09 21.8 o H26
2011-07-05 08:17:31 C 19 46 19.22 -00 09 24.6 o H26
2011-07-05 08:17:55 C 19 46 19.36 -00 09 27.7 o H26
2011-07-05 08:18:18 C 19 46 19.49 -00 09 30.7 o H26
2011-07-05 08:18:42 C 19 46 19.62 -00 09 33.6 o H26
2011-07-05 08:19:07 C 19 46 19.77 -00 09 36.4 o H26
2011-07-05 08:19:31 C 19 46 19.89 -00 09 39.0 o H26
2011-07-06 08:11:11 C 19 54 24.45 -03 04 45.2 u H45
2011-07-06 08:14:09 C 19 54 25.41 -03 05 07.5 u H45
2011-07-06 08:18:25 C 19 54 26.81 -03 05 39.7 u H45
2011-07-06 08:21:40 C 19 54 27.86 -03 06 03.9 u H45
2011-07-06 08:24:24 C 19 54 28.74 -03 06 24.2 u H45
2011-07-06 08:26:43 C 19 54 29.49 -03 06 41.8 u H45
2011-07-06 08:28:22 C 19 54 30.03 -03 06 54.3 u H45
2011-07-06 08:30:07 C 19 54 30.60 -03 07 07.2 u H45
2011-07-06 08:32:52 C 19 54 31.50 -03 07 27.9 u H45
2011-07-06 22:10:05 C 19 59 20.96 -04 51 20.7 u C47
2011-07-06 22:28:19 C 19 59 27.15 -04 53 40.9 u C47
2011-07-06 22:57:36 C 19 59 37.05 -04 57 26.7 u C47
2011-07-09 08:26:00 C 20 20 54.83 -12 34 41.8 u H45
2011-07-09 08:27:40 C 20 20 55.44 -12 34 55.2 u H45
2011-07-09 08:28:46 C 20 20 55.84 -12 35 04.5 u H45
2011-07-09 08:29:49 C 20 20 56.23 -12 35 13.0 u H45
2011-07-09 08:42:18 C 20 21 00.79 -12 36 54.1 u H45
2011-07-09 08:43:44 C 20 21 01.34 -12 37 05.7 u H45
2011-07-09 08:44:46 C 20 21 01.71 -12 37 14.0 u H45
2011-07-09 08:46:23 C 20 21 02.30 -12 37 27.1 u H45
2011-07-09 08:49:28 C 20 21 03.42 -12 37 52.2 u H45
2011-07-10 08:37:30 C 20 30 25.97 -15 51 43.0 u H45
2011-07-10 08:39:33 C 20 30 26.74 -15 51 59.8 u H45
2011-07-10 08:41:22 C 20 30 27.45 -15 52 14.5 u H45
2011-07-10 08:42:58 C 20 30 28.03 -15 52 27.6 u H45
2011-07-10 08:45:53 C 20 30 29.17 -15 52 51.7 u H45
2011-07-10 08:47:38 C 20 30 29.83 -15 53 05.9 u H45
2011-07-10 08:49:49 C 20 30 30.66 -15 53 23.6 u H45
2011-07-10 08:51:06 C 20 30 31.14 -15 53 34.0 u H45
2011-07-10 08:53:30 C 20 30 32.05 -15 53 53.5 u H45
2011-07-10 08:54:30 C 20 30 32.43 -15 54 01.7 u H45
2011-07-10 15:23:22 C 20 33 11.80 -16 46 43.9 o 300
2011-07-10 15:23:48 C 20 33 11.95 -16 46 47.6 o 300
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)