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
2022-04-23 06:51:17 C 12 41 24.389 +34 32 34.22 V G96
2022-04-23 06:58:42 C 12 41 23.975 +34 32 35.41 V G96
2022-04-23 07:06:08 C 12 41 23.557 +34 32 36.42 V G96
2022-04-23 07:13:35 C 12 41 23.140 +34 32 37.61 V G96
2022-04-26 06:33:25 C 12 37 38.082 +34 40 37.38 V 703
2022-04-26 06:41:07 C 12 37 37.765 +34 40 37.81 V 703
2022-04-26 06:48:45 C 12 37 37.196 +34 40 38.42 V 703
2022-04-26 06:56:24 C 12 37 36.750 +34 40 37.85 V 703
2022-04-30 06:41:40 C 12 32 54.575 +34 42 16.99 V 703
2022-04-30 06:49:14 C 12 32 54.294 +34 42 16.45 V 703
2022-04-30 06:56:48 C 12 32 53.862 +34 42 15.48 V 703
2022-04-30 07:04:22 C 12 32 53.545 +34 42 17.06 V 703
2022-05-04 06:34:06 C 12 28 41.801 +34 33 41.47 V 703
2022-05-04 06:42:20 C 12 28 41.491 +34 33 41.08 V 703
2022-05-04 06:50:33 C 12 28 41.120 +34 33 38.99 V 703
2022-05-04 06:58:47 C 12 28 40.706 +34 33 38.70 V 703
2022-05-08 04:52:56 C 12 25 07.950 +34 15 40.57 V 703
2022-05-08 05:00:29 C 12 25 07.597 +34 15 39.20 V 703
2022-05-08 05:08:02 C 12 25 07.338 +34 15 37.19 V 703
2022-05-08 05:15:45 C 12 25 07.158 +34 15 34.27 V 703
2022-05-09 04:07:34 C 12 24 21.168 +34 09 50.04 V V00
2022-05-09 04:14:38 C 12 24 20.916 +34 09 48.20 V V00
2022-05-09 04:21:41 C 12 24 20.664 +34 09 46.48 V V00
2022-05-09 04:28:45 C 12 24 20.412 +34 09 44.64 V V00
2022-05-09 04:55:21 C 12 24 19.454 +34 09 37.48 V G96
2022-05-09 05:03:29 C 12 24 19.163 +34 09 35.21 V G96
2022-05-09 05:11:37 C 12 24 18.882 +34 09 33.08 V G96
2022-05-09 05:19:45 C 12 24 18.576 +34 09 30.92 V G96
2022-05-19 06:07:56 C 12 18 40.734 +32 38 32.24 V 703
2022-05-19 06:16:17 C 12 18 40.626 +32 38 29.04 V 703
2022-05-19 06:24:38 C 12 18 40.518 +32 38 25.12 V 703
2022-05-19 06:32:58 C 12 18 40.374 +32 38 20.29 V 703
2022-05-21 06:06:35 C 12 18 06.865 +32 14 19.61 V 703
2022-05-21 06:14:46 C 12 18 06.750 +32 14 15.18 V 703
2022-05-21 06:31:09 C 12 18 06.545 +32 14 06.43 V 703
2022-05-24 04:37:59 C 12 17 37.842 +31 35 20.69 V G96
2022-05-24 04:46:01 C 12 17 37.777 +31 35 15.79 V G96
2022-05-24 04:54:03 C 12 17 37.734 +31 35 11.22 V G96
2022-05-24 05:02:05 C 12 17 37.684 +31 35 06.40 V G96
2022-05-25 05:43:36 C 12 17 33.191 +31 20 31.16 V 703
2022-05-25 05:51:55 C 12 17 33.187 +31 20 25.37 V 703
2022-05-25 06:00:15 C 12 17 33.054 +31 20 19.97 V 703
2022-05-25 06:08:36 C 12 17 33.025 +31 20 15.29 V 703
2022-05-29 05:05:55 C 12 17 44.488 +30 19 52.50 V 703
2022-05-29 05:13:32 C 12 17 44.545 +30 19 46.06 V 703
2022-05-29 05:21:10 C 12 17 44.488 +30 19 40.26 V 703
2022-05-29 05:28:47 C 12 17 44.531 +30 19 35.15 V 703
2022-06-02 05:12:23 C 12 18 40.349 +29 12 00.76 V 703
2022-06-02 05:19:58 C 12 18 40.547 +29 11 55.50 V 703
2022-06-02 05:27:32 C 12 18 40.554 +29 11 49.06 V 703
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)