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
2011-06-20 23:51:14 C 18 24 47.34 +24 47 46.7 c A53
2011-06-20 23:54:09 C 18 24 47.76 +24 47 40.6 c A53
2011-06-20 23:57:02 C 18 24 48.19 +24 47 34.5 c A53
2011-06-20 23:59:56 C 18 24 48.63 +24 47 28.4 c A53
2011-06-21 14:55:09 C 18 27 15.03 +24 15 12.7 o 300
2011-06-21 14:57:46 C 18 27 15.39 +24 15 06.3 o 300
2011-06-21 14:59:04 C 18 27 15.63 +24 15 03.9 o 300
2011-06-21 15:00:23 C 18 27 15.76 +24 15 01.2 o 300
2011-06-21 15:04:17 C 18 27 16.44 +24 14 51.9 o 300
2011-06-23 04:14:37 C 18 33 42.18 +22 44 44.5 r H17
2011-06-23 05:04:38 C 18 33 50.64 +22 42 36.4 r H17
2011-06-23 21:19:41 C 18 36 48.42 +21 58 33.3 c A48
2011-06-23 21:22:53 C 18 36 49.00 +21 58 24.5 c A48
2011-06-23 21:26:05 C 18 36 49.55 +21 58 15.7 c A48
2011-06-23 21:29:16 C 18 36 50.10 +21 58 07.0 c A48
2011-06-23 21:40:36 C 18 36 52.18 +21 57 35.2 c A24
2011-06-23 21:40:58 C 18 36 52.24 +21 57 34.1 c A24
2011-06-23 22:40:33 C 18 37 02.63 +21 54 48.8 c A24
2011-06-23 23:14:21 C 18 37 08.40 +21 53 14.8 c A53
2011-06-23 23:19:12 C 18 37 09.25 +21 53 01.0 c A53
2011-06-23 23:27:18 C 18 37 10.66 +21 52 38.2 c A53
2011-06-23 23:32:42 C 18 37 11.62 +21 52 23.0 c A53
2011-06-23 23:38:07 C 18 37 12.55 +21 52 07.7 c A53
2011-06-23 23:54:20 C 18 37 15.35 +21 51 22.1 c A53
2011-06-24 22:59:50 C 18 41 41.91 +20 43 06.3 u C27
2011-06-24 23:27:36 C 18 41 46.99 +20 41 40.8 u C27
2011-06-25 00:27:35 C 18 41 57.95 +20 38 35.0 u C27
2011-06-25 00:37:09 C 18 41 59.69 +20 38 05.0 u C27
2011-06-25 04:07:39 C 18 42 43.74 +20 27 07.3 u H45
2011-06-25 04:10:05 C 18 42 44.19 +20 26 59.6 u H45
2011-06-25 04:18:52 C 18 42 45.82 +20 26 32.4 u H45
2011-06-25 04:24:42 C 18 42 46.91 +20 26 14.2 u H45
2011-06-25 04:30:11 C 18 42 47.92 +20 25 57.2 u H45
2011-06-25 04:31:58 C 18 42 48.25 +20 25 51.6 u H45
2011-06-25 04:33:53 C 18 42 48.60 +20 25 45.6 u H45
2011-06-25 20:42:18 C 18 46 05.29 +19 32 50.6 u C27
2011-06-25 21:25:25 C 18 46 13.28 +19 30 25.4 c A48
2011-06-25 21:28:37 C 18 46 13.89 +19 30 14.7 c A48
2011-06-25 21:31:49 C 18 46 14.51 +19 30 04.0 c A48
2011-06-25 21:35:00 C 18 46 15.13 +19 29 53.4 c A48
2011-06-25 21:37:48 C 18 46 16.21 +19 29 45.8 u C27
2011-06-25 21:38:12 C 18 46 15.74 +19 29 42.9 c A48
2011-06-25 21:54:26 C 18 46 19.01 +19 28 47.8 c A24
2011-06-25 21:54:49 C 18 46 19.08 +19 28 46.6 c A24
2011-06-25 22:09:31 C 18 46 22.39 +19 27 59.9 u C27
2011-06-25 22:38:04 C 18 46 29.20 +19 26 34.0 w J51
2011-06-25 22:57:38 C 18 46 31.27 +19 25 14.9 c A24
2011-06-25 22:58:01 C 18 46 31.35 +19 25 13.5 c A24
2011-06-25 22:59:58 C 18 46 33.44 +19 25 20.8 w J51
2011-06-25 23:14:17 C 18 46 36.20 +19 24 32.7 w J51
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)