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
2015-12-09 09:13:57 C 03 36 29.948 -02 21 58.50 L F51
2015-12-09 09:32:05 C 03 36 29.179 -02 21 54.34 L F51
2015-12-31 07:33:11 C 03 21 39.964 +00 18 48.63 L F51
2015-12-31 07:51:56 C 03 21 39.662 +00 18 55.31 L F51
2015-12-31 08:10:37 C 03 21 39.371 +00 19 01.59 L F51
2015-12-31 08:29:17 C 03 21 39.060 +00 19 08.45 L F51
2018-01-14 11:38:36 C 11 09 23.941 +21 12 21.10 U F51
2018-01-14 11:58:10 C 11 09 23.789 +21 12 28.63 U F51
2018-01-14 12:17:39 C 11 09 23.627 +21 12 36.18 U F51
2018-01-14 12:37:03 C 11 09 23.447 +21 12 43.96 U F51
2018-01-23 08:51:08 C 11 06 43.36 +22 42 02.9 U G96
2018-01-23 08:58:35 C 11 06 43.20 +22 42 06.2 U G96
2018-01-23 09:06:01 C 11 06 43.07 +22 42 09.6 U G96
2018-01-23 09:13:28 C 11 06 42.94 +22 42 12.6 U G96
2018-03-08 07:43:06 C 10 25 39.691 +30 49 44.83 U F51
2018-03-08 08:00:46 C 10 25 38.784 +30 49 50.85 U F51
2018-03-08 08:18:46 C 10 25 37.863 +30 49 57.03 U F51
2018-03-08 08:36:32 C 10 25 36.950 +30 50 03.01 U F51
2018-04-09 04:05:54 C 09 56 27.56 +32 40 51.8 U G96
2018-04-09 04:13:24 C 09 56 27.34 +32 40 51.6 U G96
2018-04-09 04:20:53 C 09 56 27.20 +32 40 50.8 U G96
2018-04-09 04:28:24 C 09 56 26.98 +32 40 50.4 U G96
2019-12-20 05:33:53 C 05 02 18.67 +09 14 38.3 V G96
2019-12-20 05:41:37 C 05 02 18.37 +09 14 39.8 V G96
2019-12-20 05:49:21 C 05 02 18.03 +09 14 40.7 V G96
2019-12-20 05:57:07 C 05 02 17.67 +09 14 40.3 V G96
2019-12-28 09:56:51 C 04 53 57.944 +09 41 44.51 U F51
2019-12-28 10:13:06 C 04 53 57.284 +09 41 46.67 U F51
2019-12-28 10:29:34 C 04 53 56.618 +09 41 49.17 U F51
2020-01-02 03:50:25 C 04 49 40.47 +09 59 42.5 u H21
2020-01-02 04:00:28 C 04 49 39.99 +09 59 44.4 u H21
2020-01-02 04:05:30 C 04 49 39.80 +09 59 45.0 u H21
2021-01-11 09:47:01 C 08 10 16.287 +23 26 32.89 V G37
2021-01-11 10:45:42 C 08 10 13.796 +23 26 46.73 V G37
2021-01-11 11:44:01 C 08 10 11.325 +23 27 00.31 V G37
2021-01-18 06:29:16 C 08 03 15.12 +24 04 53.7 V G96
2021-01-18 06:43:57 C 08 03 14.48 +24 04 56.3 V G96
2021-01-18 06:51:19 C 08 03 14.17 +24 04 57.6 V G96
2022-01-07 12:08:27 C 12 55 55.06 +12 37 28.3 V G96
2022-01-07 12:15:55 C 12 55 55.42 +12 37 29.1 V G96
2022-01-07 12:23:23 C 12 55 55.75 +12 37 30.5 V G96
2022-01-07 12:30:51 C 12 55 56.04 +12 37 31.1 V G96
2022-02-23 04:45:21 C 13 28 45.99 +19 50 25.1 X C95
2022-02-23 05:12:18 C 13 28 46.08 +19 50 41.7 X C95
2022-02-27 09:09:52 C 13 29 09.96 +20 58 15.7 V G96
2022-02-27 09:17:17 C 13 29 09.95 +20 58 20.8 V G96
2022-02-27 09:24:42 C 13 29 09.96 +20 58 26.0 V G96
2022-02-27 09:32:07 C 13 29 09.94 +20 58 31.7 V G96
2022-02-27 11:19:56 C 13 29 10.194 +20 59 47.53 U F52
2022-02-27 11:38:24 C 13 29 10.176 +21 00 00.48 U 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)