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
2011-05-21 04:45:32 C 17 18 41.14 +30 22 09.3 r H17
2011-05-21 05:03:19 C 17 18 42.04 +30 22 16.6 r H17
2011-05-21 05:19:12 C 17 18 42.88 +30 22 23.5 r H17
2011-05-22 03:42:57 C 17 19 57.84 +30 30 41.4 r H17
2011-05-22 04:50:30 C 17 20 01.45 +30 31 08.8 r H17
2011-05-22 23:44:47 C 17 21 04.52 +30 37 43.5 c A24
2011-05-22 23:45:50 C 17 21 04.58 +30 37 43.9 c A24
2011-05-23 00:51:15 C 17 21 07.87 +30 38 06.1 c A24
2011-05-23 00:52:18 C 17 21 07.93 +30 38 06.4 c A24
2011-05-25 23:49:01 C 17 25 15.87 +30 58 31.0 o 046
2011-05-25 23:50:54 C 17 25 15.97 +30 58 31.5 o 046
2011-05-25 23:53:52 C 17 25 16.12 +30 58 32.2 o 046
2011-05-25 23:55:20 C 17 25 16.20 +30 58 32.6 o 046
2011-05-25 23:56:47 C 17 25 16.28 +30 58 32.9 o 046
2011-05-26 02:03:37 C 17 25 25.08 +30 59 01.0 u I15
2011-05-26 02:14:19 C 17 25 25.69 +30 59 03.9 u I15
2011-05-26 02:27:05 C 17 25 26.40 +30 59 07.4 u I15
2011-05-26 10:21:41 C 17 25 52.81 +31 01 02.9 w 448
2011-05-26 10:25:48 C 17 25 53.04 +31 01 03.9 w 448
2011-05-26 10:29:57 C 17 25 53.25 +31 01 04.7 w 448
2011-05-26 10:34:35 C 17 25 53.50 +31 01 05.5 w 448
2011-05-26 10:39:13 C 17 25 53.76 +31 01 06.5 w 448
2011-05-26 21:05:33 C 17 26 33.80 +31 03 13.5 u 118
2011-05-26 21:18:46 C 17 26 34.53 +31 03 16.7 u 118
2011-05-26 21:31:59 C 17 26 35.28 +31 03 19.7 u 118
2011-05-26 21:45:12 C 17 26 36.03 +31 03 22.7 u 118
2011-05-26 21:58:26 C 17 26 36.75 +31 03 25.9 u 118
2011-05-26 22:11:39 C 17 26 37.49 +31 03 28.7 u 118
2011-05-27 23:41:40 C 17 28 10.94 +31 08 14.6 16.6 c 583
2011-05-27 23:43:06 C 17 28 11.04 +31 08 14.7 16.7 c 583
2011-05-27 23:44:44 C 17 28 11.09 +31 08 15.2 16.5 c 583
2011-05-27 23:53:00 C 17 28 11.60 +31 08 16.6 16.2 c 583
2011-05-27 23:54:57 C 17 28 11.70 +31 08 16.7 16.9 c 583
2011-05-28 22:06:14 C 17 29 36.77 +31 11 29.5 u 118
2011-05-28 22:19:27 C 17 29 37.54 +31 11 31.4 u 118
2011-05-28 22:32:40 C 17 29 38.29 +31 11 33.3 u 118
2011-05-28 22:45:54 C 17 29 39.07 +31 11 35.2 u 118
2011-05-28 22:59:07 C 17 29 39.84 +31 11 37.0 u 118
2011-05-29 22:39:14 C 17 31 11.95 +31 14 07.4 c A48
2011-05-29 22:50:01 C 17 31 12.57 +31 14 08.6 c A48
2011-05-29 22:55:11 C 17 31 12.88 +31 14 09.1 c A48
2011-05-29 23:05:57 C 17 31 13.53 +31 14 10.2 c A48
2011-06-01 08:15:24 C 17 35 05.17 +31 15 56.3 r 703
2011-06-01 08:23:59 C 17 35 05.67 +31 15 56.0 r 703
2011-06-01 08:29:48 C 17 35 06.00 +31 15 55.8 r 703
2011-06-03 22:10:31 C 17 39 36.15 +31 09 50.8 15.9 c 583
2011-06-03 22:11:39 C 17 39 36.23 +31 09 50.6 15.9 c 583
2011-06-03 22:13:07 C 17 39 36.32 +31 09 50.2 16.2 c 583
2011-06-03 22:14:15 C 17 39 36.42 +31 09 50.1 15.9 c 583
2011-06-04 00:31:31 C 17 39 45.81 +31 09 25.7 15.7 c 583
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)