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
2011-03-15 11:01:33 C 15 47 21.62 +12 43 02.7 r G96
2011-03-15 11:06:49 C 15 47 21.94 +12 43 05.4 r G96
2011-03-15 11:12:08 C 15 47 22.30 +12 43 08.4 r G96
2011-03-15 11:17:28 C 15 47 22.66 +12 43 11.2 r G96
2011-04-14 03:05:10 C 16 31 45.90 +20 35 06.1 r J75
2011-04-14 03:20:24 C 16 31 46.71 +20 35 17.6 r J75
2011-04-14 03:35:39 C 16 31 47.53 +20 35 29.0 r J75
2011-04-14 04:01:08 C 16 31 48.92 +20 35 48.3 r J75
2011-04-14 04:07:16 C 16 31 49.24 +20 35 52.9 r J75
2011-04-14 04:13:25 C 16 31 49.57 +20 35 57.5 r J75
2011-04-14 22:49:50 C 16 32 53.65 +20 49 54.0 u B86
2011-04-14 23:02:45 C 16 32 54.39 +20 50 03.9 u B86
2011-04-14 23:15:38 C 16 32 55.11 +20 50 13.6 u B86
2011-04-15 21:40:22 C 16 34 11.25 +21 07 08.4 u B67
2011-04-15 21:52:55 C 16 34 11.93 +21 07 18.4 u B67
2011-04-15 22:05:24 C 16 34 12.62 +21 07 27.9 u B67
2011-04-18 00:05:39 C 16 37 00.32 +21 45 21.9 u 160
2011-04-18 00:08:24 C 16 37 00.44 +21 45 24.4 u 160
2011-04-18 00:11:35 C 16 37 00.60 +21 45 26.5 u 160
2011-04-19 00:14:12 C 16 38 20.58 +22 03 41.3 u 160
2011-04-19 00:17:06 C 16 38 20.74 +22 03 43.6 u 160
2011-04-19 00:19:40 C 16 38 20.86 +22 03 45.7 u 160
2011-04-19 02:23:22 C 16 38 27.32 +22 05 19.3 v 204
2011-04-19 02:34:41 C 16 38 27.89 +22 05 28.0 v 204
2011-04-19 02:46:02 C 16 38 28.48 +22 05 36.7 v 204
2011-04-20 00:15:15 C 16 39 39.94 +22 21 55.0 u 160
2011-04-20 00:18:14 C 16 39 40.05 +22 21 56.7 u 160
2011-04-20 00:21:12 C 16 39 40.21 +22 21 59.4 u 160
2011-04-20 21:47:10 C 16 40 50.88 +22 38 13.0 r A17
2011-04-20 21:58:25 C 16 40 51.49 +22 38 21.7 r A17
2011-04-20 22:09:40 C 16 40 52.09 +22 38 30.4 r A17
2011-04-21 00:17:45 C 16 40 58.84 +22 40 10.0 u 160
2011-04-21 00:19:20 C 16 40 58.91 +22 40 11.2 u 160
2011-04-21 00:21:18 C 16 40 58.98 +22 40 12.7 u 160
2011-04-22 00:28:25 C 16 42 17.63 +22 58 30.3 u 160
2011-04-22 00:31:21 C 16 42 17.80 +22 58 32.6 u 160
2011-04-22 00:34:18 C 16 42 17.96 +22 58 34.7 u 160
2011-04-24 00:15:02 C 16 44 52.02 +23 34 36.9 r A17
2011-04-24 00:26:17 C 16 44 52.58 +23 34 45.5 r A17
2011-04-24 00:37:31 C 16 44 53.17 +23 34 54.0 r A17
2011-04-24 21:18:37 C 16 45 59.77 +23 50 26.1 u 113
2011-04-24 21:22:52 C 16 45 59.99 +23 50 29.2 u 113
2011-04-24 21:27:07 C 16 46 00.21 +23 50 32.7 u 113
2011-04-24 21:31:22 C 16 46 00.44 +23 50 36.2 u 113
2011-04-24 21:35:39 C 16 46 00.65 +23 50 39.0 u 113
2011-04-25 09:45:29 C 16 46 38.82 +23 59 54.1 r G96
2011-04-25 09:47:19 C 16 46 38.96 +23 59 55.4 r 703
2011-04-25 09:52:58 C 16 46 39.18 +24 00 00.0 r G96
2011-04-25 09:58:14 C 16 46 39.46 +24 00 02.9 r 703
2011-04-25 10:00:25 C 16 46 39.54 +24 00 05.4 r G96
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)