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
2011-06-25 23:36:42 C 18 46 39.26 +19 23 05.5 u C27
2011-06-25 23:53:45 C 18 46 42.54 +19 22 07.6 u C27
2011-06-26 03:40:30 C 18 47 31.89 +19 09 08.9 u H45
2011-06-26 03:42:16 C 18 47 32.23 +19 09 03.0 u H45
2011-06-26 03:43:58 C 18 47 32.59 +19 08 57.2 u H45
2011-06-26 04:00:54 C 18 47 35.93 +19 07 59.3 u H45
2011-06-26 04:03:02 C 18 47 36.35 +19 07 52.0 u H45
2011-06-26 04:04:22 C 18 47 36.60 +19 07 47.5 u H45
2011-06-26 04:05:32 C 18 47 36.83 +19 07 43.6 u H45
2011-06-26 20:03:32 C 18 51 01.08 +18 10 21.6 u A78
2011-06-26 20:07:11 C 18 51 01.86 +18 10 08.0 u A78
2011-06-26 20:11:04 C 18 51 02.65 +18 09 54.1 u A78
2011-06-26 20:15:11 C 18 51 03.48 +18 09 37.9 c A48
2011-06-26 20:15:41 C 18 51 03.63 +18 09 37.4 u A78
2011-06-26 20:19:16 C 18 51 04.33 +18 09 22.9 c A48
2011-06-26 20:19:51 C 18 51 04.48 +18 09 22.4 u A78
2011-06-26 20:23:21 C 18 51 05.19 +18 09 08.1 c A48
2011-06-26 20:27:25 C 18 51 06.03 +18 08 53.2 c A48
2011-06-26 20:31:30 C 18 51 06.88 +18 08 38.6 c A48
2011-06-26 22:06:11 C 18 51 26.48 +18 02 50.3 c A24
2011-06-26 23:05:39 C 18 51 38.66 +17 59 09.7 c A24
2011-06-26 23:06:01 C 18 51 38.73 +17 59 08.5 c A24
2011-06-27 21:27:53 C 18 56 39.54 +16 31 46.7 u 510
2011-06-27 21:36:50 C 18 56 41.50 +16 31 10.7 u 510
2011-06-27 21:45:48 C 18 56 43.46 +16 30 34.4 u 510
2011-06-27 21:54:45 C 18 56 45.41 +16 29 58.3 u 510
2011-06-27 22:14:52 C 18 56 49.91 +16 28 42.4 c A24
2011-06-27 23:14:24 C 18 57 02.77 +16 24 40.0 c A24
2011-06-27 23:14:47 C 18 57 02.85 +16 24 38.6 c A24
2011-06-27 23:24:50 C 18 57 04.91 +16 23 57.7 c A53
2011-06-27 23:29:27 C 18 57 05.89 +16 23 38.7 c A53
2011-06-27 23:32:38 C 18 57 06.58 +16 23 25.8 c A53
2011-06-27 23:35:31 C 18 57 07.21 +16 23 13.9 c A53
2011-06-28 00:05:05 C 18 57 14.45 +16 21 17.3 u I76
2011-06-28 22:03:05 C 19 02 25.79 +14 47 01.1 u A27
2011-06-28 22:09:59 C 19 02 27.37 +14 46 30.8 u A27
2011-06-28 22:13:52 C 19 02 28.28 +14 46 13.4 u A27
2011-06-28 22:22:39 C 19 02 30.31 +14 45 34.3 u A27
2011-06-28 22:28:04 C 19 02 31.54 +14 45 10.1 u A27
2011-06-28 22:32:43 C 19 02 32.61 +14 44 49.5 u A27
2011-06-28 22:37:22 C 19 02 33.67 +14 44 29.0 u A27
2011-06-28 22:41:14 C 19 02 34.57 +14 44 11.6 u A27
2011-06-28 22:49:47 C 19 02 36.50 +14 43 33.8 u A27
2011-06-28 23:41:54 C 19 02 49.39 +14 39 52.1 u I76
2011-06-29 06:32:48 C 19 04 29.80 +14 08 53.6 14.6 c 704
2011-06-29 06:47:20 C 19 04 33.11 +14 07 47.0 14.7 c 704
2011-06-29 07:01:50 C 19 04 36.40 +14 06 40.7 14.7 c 704
2011-06-29 07:16:33 C 19 04 39.78 +14 05 33.3 14.5 c 704
2011-06-29 07:31:16 C 19 04 43.08 +14 04 25.6 14.5 c 704
2011-06-29 22:44:38 C 19 08 33.64 +12 52 03.2 u I76
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)