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
2022-06-02 05:35:07 C 12 18 40.655 +29 11 44.12 V 703
2022-06-02 14:12:12 C 12 18 47.87 +29 05 20.5 V D29
2022-06-02 14:40:12 C 12 18 48.24 +29 04 58.8 V D29
2022-06-02 15:08:12 C 12 18 48.59 +29 04 37.4 V D29
2022-06-05 04:48:12 C 12 19 50.704 +28 17 21.84 V G96
2022-06-05 04:55:42 C 12 19 50.790 +28 17 16.37 V G96
2022-06-05 05:03:11 C 12 19 50.934 +28 17 09.96 V G96
2022-06-05 05:10:42 C 12 19 51.060 +28 17 04.06 V G96
2022-06-06 04:39:43 C 12 20 19.324 +27 58 24.38 V 703
2022-06-06 04:47:22 C 12 20 19.450 +27 58 17.94 V 703
2022-06-06 04:55:00 C 12 20 19.633 +27 58 11.68 V 703
2022-06-06 05:02:39 C 12 20 19.723 +27 58 04.87 V 703
2022-06-21 04:41:23 C 12 32 27.960 +22 28 43.90 U I41
2022-06-21 04:55:04 C 12 32 28.550 +22 28 29.71 U I41
2022-06-21 05:13:24 C 12 32 29.371 +22 28 10.81 U I41
2022-06-21 05:37:33 C 12 32 30.430 +22 27 45.68 U I41
2022-08-23 18:22:40 C 14 51 04.176 -15 25 30.22 V M22
2022-08-23 18:34:38 C 14 51 05.753 -15 25 52.93 V M22
2022-08-23 18:41:10 C 14 51 06.715 -15 26 05.10 V M22
2022-08-23 19:01:49 C 14 51 09.559 -15 26 42.86 V M22
2022-08-27 17:21:29 C 15 04 58.248 -18 20 57.05 V M22
2022-08-27 17:26:03 C 15 04 59.141 -18 21 04.93 V M22
2022-08-27 17:34:31 C 15 05 00.425 -18 21 20.30 V M22
2022-08-27 17:50:23 C 15 05 02.695 -18 21 49.07 V M22
2022-10-13 17:51:31 C 18 59 03.586 -41 26 11.47 V M22
2022-10-13 17:56:08 C 18 59 04.865 -41 26 10.21 V M22
2022-10-13 18:03:58 C 18 59 06.689 -41 26 11.22 V M22
2022-10-13 18:20:14 C 18 59 10.558 -41 26 14.60 V M22
2022-10-17 19:33:12 C 19 22 15.336 -41 36 23.80 V M22
2022-10-17 19:37:46 C 19 22 16.378 -41 36 23.11 V M22
2022-10-17 20:06:42 C 19 22 23.155 -41 36 23.08 V M22
2022-10-17 20:25:39 C 19 22 27.583 -41 36 22.36 V M22
2025-03-01 06:00:33 C 08 27 28.708 +29 02 00.77 X F52
2025-03-01 06:17:05 C 08 27 28.140 +29 02 03.19 X F52
2025-03-01 06:33:39 C 08 27 27.584 +29 02 05.45 X F52
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)