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
2011-06-04 00:32:57 C 17 39 45.92 +31 09 25.5 15.5 c 583
2011-06-04 00:33:24 C 17 39 45.96 +31 09 25.4 15.3 c 583
2011-06-04 00:34:15 C 17 39 46.02 +31 09 25.1 15.4 c 583
2011-06-07 07:34:40 C 17 46 09.59 +30 47 36.3 t H47
2011-06-07 07:37:17 C 17 46 09.89 +30 47 33.4 u H45
2011-06-07 07:40:10 C 17 46 10.10 +30 47 32.3 u H45
2011-06-07 07:41:42 C 17 46 10.22 +30 47 31.7 u H45
2011-06-07 07:42:26 C 17 46 10.16 +30 47 33.0 t H47
2011-06-07 07:43:59 C 17 46 10.40 +30 47 30.8 u H45
2011-06-07 07:46:06 C 17 46 10.56 +30 47 30.0 u H45
2011-06-07 07:48:17 C 17 46 10.73 +30 47 29.1 u H45
2011-06-07 07:49:23 C 17 46 10.69 +30 47 30.1 t H47
2011-06-08 07:52:51 C 17 48 17.12 +30 37 13.2 t H47
2011-06-08 07:55:49 C 17 48 17.37 +30 37 12.0 t H47
2011-06-08 07:58:09 C 17 48 17.58 +30 37 11.3 t H47
2011-06-09 06:16:20 C 17 50 21.60 +30 25 52.9 t G56
2011-06-09 06:27:59 C 17 50 22.60 +30 25 47.0 t G56
2011-06-09 06:57:08 C 17 50 25.04 +30 25 32.5 t G56
2011-06-09 07:10:56 C 17 50 26.20 +30 25 25.1 t G56
2011-06-10 07:28:26 C 17 52 43.29 +30 11 14.9 u H45
2011-06-10 07:30:55 C 17 52 43.50 +30 11 13.3 u H45
2011-06-10 07:35:47 C 17 52 43.92 +30 11 10.3 u H45
2011-06-10 07:37:46 C 17 52 44.09 +30 11 09.0 u H45
2011-06-10 07:40:04 C 17 52 44.29 +30 11 07.5 u H45
2011-06-10 07:41:48 C 17 52 44.44 +30 11 06.5 u H45
2011-06-10 08:07:16 C 17 52 47.35 +30 10 52.5 r 703
2011-06-10 08:30:46 C 17 52 49.36 +30 10 37.9 r 703
2011-06-10 08:42:27 C 17 52 50.44 +30 10 29.7 r 703
2011-06-12 21:18:23 C 17 59 05.55 +29 24 37.6 u 557
2011-06-12 22:15:36 C 17 59 11.29 +29 23 48.8 u 557
2011-06-12 23:22:49 C 17 59 18.04 +29 22 49.8 u 557
2011-06-13 00:17:47 C 17 59 23.54 +29 22 00.8 u 557
2011-06-13 07:46:01 C 18 00 12.41 +29 15 24.6 t H47
2011-06-13 07:52:33 C 18 00 13.05 +29 15 18.4 t H47
2011-06-13 07:58:26 C 18 00 13.65 +29 15 12.8 t H47
2011-06-13 08:03:49 C 18 00 14.17 +29 15 07.6 t H47
2011-06-13 21:27:58 C 18 01 46.76 +29 02 04.7 c A24
2011-06-13 21:28:43 C 18 01 46.86 +29 02 04.0 c A24
2011-06-14 21:32:24 C 18 04 34.79 +28 36 46.4 c A24
2011-06-14 21:33:07 C 18 04 34.85 +28 36 45.9 c A24
2011-06-14 22:42:08 C 18 04 42.47 +28 35 31.2 c A24
2011-06-14 22:42:49 C 18 04 42.52 +28 35 30.2 c A24
2011-06-15 21:45:31 C 18 07 31.72 +28 08 18.2 c A48
2011-06-15 21:48:03 C 18 07 32.03 +28 08 15.1 c A48
2011-06-15 21:50:35 C 18 07 32.31 +28 08 12.1 c A48
2011-06-15 21:53:06 C 18 07 32.63 +28 08 08.8 c A48
2011-06-15 21:55:38 C 18 07 32.89 +28 08 05.8 c A48
2011-06-18 07:07:37 C 18 15 05.96 +26 47 15.6 o H10
2011-06-18 07:26:49 C 18 15 08.39 +26 46 44.3 o H10
2011-06-20 23:48:38 C 18 24 46.96 +24 47 52.2 c A53
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)