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
2022-02-27 11:57:00 C 13 29 10.162 +21 00 13.51 U F52
2022-02-27 12:15:30 C 13 29 10.141 +21 00 26.55 U F52
2022-03-09 09:23:53 C 13 27 37.86 +23 55 09.4 V 703
2022-03-09 09:31:25 C 13 27 37.70 +23 55 16.2 V 703
2022-03-09 09:38:58 C 13 27 37.60 +23 55 22.0 V 703
2022-03-09 09:46:30 C 13 27 37.47 +23 55 27.0 V 703
2022-03-14 07:26:19 C 13 25 31.03 +25 26 45.6 V G96
2022-03-14 07:33:44 C 13 25 30.86 +25 26 51.3 V G96
2022-03-14 07:41:08 C 13 25 30.67 +25 26 56.9 V G96
2022-03-14 07:48:32 C 13 25 30.48 +25 27 02.8 V G96
2022-03-26 09:31:22 C 13 16 24.98 +29 09 15.9 V 703
2022-03-26 09:38:54 C 13 16 24.69 +29 09 20.5 V 703
2022-03-26 10:30:56 C 13 16 22.65 +29 09 59.4 V 703
2022-03-27 08:03:00 C 13 15 29.51 +29 25 37.7 V G96
2022-03-27 08:10:32 C 13 15 29.17 +29 25 43.0 V G96
2022-03-27 08:16:00 C 13 15 28.93 +29 25 46.8 V G96
2022-03-27 08:18:06 C 13 15 28.85 +29 25 48.5 V G96
2022-03-27 08:23:34 C 13 15 28.60 +29 25 52.4 V G96
2022-03-27 08:31:06 C 13 15 28.27 +29 25 57.9 V G96
2022-04-01 08:36:37 C 13 10 02.766 +30 48 55.12 V 703
2022-04-01 08:44:07 C 13 10 02.312 +30 48 59.26 V 703
2022-04-01 08:51:37 C 13 10 01.967 +30 49 04.08 V 703
2022-04-01 08:59:07 C 13 10 01.600 +30 49 08.36 V 703
2022-04-05 07:43:54 C 13 05 15.810 +31 48 05.90 V 703
2022-04-05 07:51:28 C 13 05 15.382 +31 48 10.30 V 703
2022-04-05 07:59:02 C 13 05 14.968 +31 48 14.69 V 703
2022-04-05 08:06:36 C 13 05 14.618 +31 48 19.33 V 703
2022-04-07 07:10:57 C 13 02 45.170 +32 15 00.90 U I41
2022-04-07 08:39:04 C 13 02 40.219 +32 15 49.21 U I41
2022-04-07 09:14:00 C 13 02 38.280 +32 16 07.90 U I41
2022-04-07 10:47:21 C 13 02 33.041 +32 16 58.40 U I41
2022-04-08 07:32:18 C 13 01 26.119 +32 28 05.84 V 703
2022-04-08 07:39:50 C 13 01 25.626 +32 28 09.62 V 703
2022-04-08 07:47:23 C 13 01 25.187 +32 28 14.12 V 703
2022-04-08 07:54:55 C 13 01 24.776 +32 28 17.83 V 703
2022-04-11 04:52:06 C 12 57 37.109 +33 02 21.37 V G96
2022-04-11 05:02:22 C 12 57 36.518 +33 02 26.23 V G96
2022-04-11 05:10:30 C 12 57 36.032 +33 02 30.12 V G96
2022-04-11 05:18:37 C 12 57 35.572 +33 02 33.72 V G96
2022-04-18 08:44:18 C 12 47 55.180 +34 06 43.27 V 703
2022-04-18 08:51:49 C 12 47 54.769 +34 06 45.83 V 703
2022-04-18 08:59:20 C 12 47 54.323 +34 06 47.88 V 703
2022-04-18 09:06:51 C 12 47 53.732 +34 06 49.03 V 703
2022-04-18 21:47:21 C 12 47 11.62 +34 10 18.8 V 130
2022-04-18 21:55:13 C 12 47 11.22 +34 10 21.3 V 130
2022-04-18 22:02:22 C 12 47 10.80 +34 10 23.6 V 130
2022-04-22 07:22:20 C 12 42 40.540 +34 28 39.86 V 703
2022-04-22 07:29:58 C 12 42 40.133 +34 28 42.24 V 703
2022-04-22 07:37:36 C 12 42 39.748 +34 28 43.28 V 703
2022-04-22 07:45:14 C 12 42 39.348 +34 28 44.51 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)