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
2011-04-25 10:09:00 C 16 46 39.93 +24 00 12.6 r 703
2011-05-01 23:28:58 C 16 54 51.78 +25 55 32.5 c A24
2011-05-01 23:30:00 C 16 54 51.88 +25 55 33.5 c A24
2011-05-01 23:52:13 C 16 54 52.91 +25 55 49.4 c A24
2011-05-02 00:15:28 C 16 54 54.03 +25 56 06.2 c A24
2011-05-02 00:37:41 C 16 54 55.09 +25 56 22.2 c A24
2011-05-02 00:38:44 C 16 54 55.13 +25 56 22.9 c A24
2011-05-02 09:23:00 C 16 55 21.75 +26 02 38.3 r G96
2011-05-02 09:32:55 C 16 55 22.22 +26 02 45.8 r G96
2011-05-02 09:42:52 C 16 55 22.65 +26 02 52.9 r G96
2011-05-02 09:52:48 C 16 55 23.12 +26 02 59.8 r G96
2011-05-04 09:07:35 C 16 57 47.31 +26 36 00.2 u H45
2011-05-04 09:11:23 C 16 57 47.48 +26 36 02.8 u H45
2011-05-04 09:13:01 C 16 57 47.56 +26 36 04.0 u H45
2011-05-04 09:15:36 C 16 57 47.67 +26 36 05.7 u H45
2011-05-04 09:17:22 C 16 57 47.76 +26 36 06.7 u H45
2011-05-04 09:18:51 C 16 57 47.82 +26 36 08.0 u H45
2011-05-07 20:17:04 C 17 02 00.76 +27 31 32.1 u 113
2011-05-07 20:23:45 C 17 02 01.09 +27 31 36.5 u 113
2011-05-07 20:30:23 C 17 02 01.41 +27 31 41.0 u 113
2011-05-08 00:23:51 C 17 02 12.62 +27 34 17.5 c A24
2011-05-08 00:24:53 C 17 02 12.64 +27 34 18.2 c A24
2011-05-08 00:46:24 C 17 02 13.64 +27 34 32.3 c A24
2011-05-08 01:00:48 C 17 02 14.23 +27 34 42.1 u 157
2011-05-08 01:05:26 C 17 02 14.44 +27 34 45.1 u 157
2011-05-08 01:08:36 C 17 02 14.67 +27 34 46.5 c A24
2011-05-08 01:10:05 C 17 02 14.66 +27 34 48.1 u 157
2011-05-08 01:30:27 C 17 02 15.65 +27 35 01.1 c A24
2011-05-08 01:31:29 C 17 02 15.74 +27 35 00.9 c A24
2011-05-08 04:29:40 C 17 02 25.81 +27 36 53.7 r H17
2011-05-08 04:49:54 C 17 02 26.75 +27 37 07.3 r H17
2011-05-08 05:08:19 C 17 02 27.66 +27 37 19.8 r H17
2011-05-08 05:31:31 C 17 02 28.76 +27 37 34.6 r H17
2011-05-09 03:39:48 C 17 03 36.03 +27 51 37.2 r H17
2011-05-09 04:00:08 C 17 03 37.10 +27 51 50.9 r H17
2011-05-09 04:22:12 C 17 03 38.14 +27 52 05.1 r H17
2011-05-09 04:32:00 C 17 03 38.63 +27 52 11.8 r H17
2011-05-10 00:11:18 C 17 04 37.48 +28 04 29.1 w 104
2011-05-10 00:15:28 C 17 04 37.66 +28 04 31.7 w 104
2011-05-10 00:20:43 C 17 04 37.91 +28 04 34.9 w 104
2011-05-17 06:14:41 C 17 13 35.24 +29 40 58.6 o 696
2011-05-17 06:45:57 C 17 13 36.74 +29 41 14.4 o 696
2011-05-17 08:43:49 C 17 13 41.88 +29 42 09.7 u H36
2011-05-17 08:46:01 C 17 13 41.99 +29 42 10.8 u H36
2011-05-17 08:48:10 C 17 13 42.10 +29 42 11.7 u H36
2011-05-17 08:54:36 C 17 13 42.41 +29 42 14.6 u H36
2011-05-21 01:08:11 C 17 18 27.82 +30 20 45.9 v 204
2011-05-21 01:13:43 C 17 18 28.10 +30 20 48.0 v 204
2011-05-21 01:19:32 C 17 18 28.38 +30 20 50.3 v 204
2011-05-21 04:29:55 C 17 18 40.34 +30 22 03.1 r H17
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)