2021 ME1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1058668409 ± 1.86e-07
Semi-major axis (a)1.1276528153 AU ± 2.62e-07
Inclination (i)15.87581459° ± 1.36e-05
Long. of Asc. Node (Ω)96.49454640° ± 1.21e-06
Arg. of Perihelion (ω)143.95399255° ± 8.11e-05
Mean Anomaly (M)272.15048107° ± 5.23e-04
Mean Motion (n)0.8230934836°/day ± 2.87e-07
Perihelion dist (q)1.00827177 AU ± 3.14e-07
Aphelion dist (Q)1.24703386 AU ± 3.58e-07
Orbital Period1.19746578 yr ± 4.17e-07
Physical Parameters
H (abs. magnitude)24.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.449″
Uncertainty0
Orbit TypeApollo
MOID0.008977 AU
Observations Used116
Radar Obs Used5
Oppositions1
Arc Total2021-2021
First Observation Used2021-06-19
Last Observation Used2021-07-03
Observations (116)
Date Type RA Dec Mag Band Observatory
2021-06-23 22:27:20 C 19 43 55.93 +45 32 22.2 V J95
2021-06-23 23:07:56 C 19 44 10.42 +45 20 25.0 V Z80
2021-06-23 23:15:17 C 19 44 13.03 +45 18 14.5 V Z80
2021-06-23 23:21:15 C 19 44 15.15 +45 16 28.2 V Z80
2021-06-24 20:45:43 C 19 54 32.30 +37 23 43.4 Z L34
2021-06-24 21:30:35 C 19 54 42.34 +37 03 39.4 V L18
2021-06-24 21:31:47 C 19 54 42.83 +37 03 08.4 V L18
2021-06-24 21:32:59 C 19 54 43.26 +37 02 35.6 V L18
2021-06-24 21:34:12 C 19 54 43.79 +37 02 04.7 V L18
2021-06-24 21:36:16 C 19 54 53.28 +37 02 02.8 Z L34
2021-06-24 22:20:15 C 19 55 09.97 +36 41 50.7 V 160
2021-06-24 22:23:10 C 19 55 11.11 +36 40 33.0 V 160
2021-06-24 22:26:04 C 19 55 12.30 +36 39 17.2 V 160
2021-06-24 22:31:34 C 19 55 14.88 +36 37 47.7 Z L34
2021-06-24 22:51:54 C 19 55 24.44 +36 26 23.3 V Z80
2021-06-24 23:03:09 C 19 55 29.15 +36 21 21.4 V Z80
2021-06-25 13:21:17 C 20 02 26.41 +29 01 17.5 V F65
2021-06-25 13:21:48 C 20 02 26.60 +29 00 59.2 V F65
2021-06-25 14:47:33 C 20 02 59.59 +28 09 28.3 V F65
2021-06-25 14:48:20 C 20 02 59.91 +28 08 59.4 V F65
2021-06-25 21:32:10 C 20 07 34.50 +23 48 15.0 V 203
2021-06-25 21:38:51 C 20 07 37.76 +23 43 50.4 V 203
2021-06-25 21:45:50 C 20 07 41.15 +23 39 13.7 V 203
2021-06-25 21:49:59 C 20 07 43.15 +23 36 28.2 V 203
2021-06-25 22:46:59 C 20 08 09.55 +22 58 39.3 V K83
2021-06-25 22:48:29 C 20 08 10.23 +22 57 38.9 V K83
2021-06-25 22:49:59 C 20 08 10.91 +22 56 38.2 V K83
2021-06-25 22:51:29 C 20 08 11.58 +22 55 37.7 V K83
2021-06-25 23:12:16 C 20 08 23.24 +22 40 00.5 V Z80
2021-06-25 23:18:56 C 20 08 26.46 +22 35 27.9 V Z80
2021-06-25 23:25:36 C 20 08 29.58 +22 30 55.2 V Z80
2021-06-25 23:52:46 C 20 08 43.93 +22 13 54.8 V B49
2021-06-25 23:54:16 C 20 08 40.21 +22 12 17.9 V 204
2021-06-25 23:55:45 C 20 08 45.26 +22 11 51.2 V B49
2021-06-25 23:57:00 C 20 08 41.42 +22 10 24.0 V 204
2021-06-25 23:58:50 C 20 08 46.60 +22 09 43.2 V B49
2021-06-26 00:01:05 C 20 08 43.27 +22 07 34.9 V 204
2021-06-26 14:48:30 C 20 16 52.96 +10 43 57.1 V F65
2021-06-26 14:48:46 C 20 16 53.07 +10 43 43.9 V F65
2021-06-26 14:49:00 C 20 16 53.19 +10 43 30.7 V F65
2021-06-26 22:32:48 C 20 22 33.80 +03 48 01.0 V Z80
2021-06-26 22:37:49 C 20 22 36.65 +03 43 26.7 V Z80
2021-06-26 22:42:50 C 20 22 39.48 +03 38 51.8 V Z80
2021-06-26 22:47:51 C 20 22 42.30 +03 34 16.8 V Z80
2021-06-26 22:47:58 C 20 22 40.92 +03 35 22.1 V G17
2021-06-26 22:49:56 C 20 22 41.93 +03 33 34.4 V G17
2021-06-26 22:51:54 C 20 22 42.96 +03 31 46.6 V G17
2021-06-27 05:37:45 C 20 27 22.22 -02 46 22.0 V I52
2021-06-27 05:38:20 C 20 27 22.55 -02 46 55.1 V I52
2021-06-27 05:39:27 C 20 27 23.19 -02 47 59.6 V I52
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-06-27 05:50:00 71228.621 10 Hz 8560 -14 -14
2021-06-27 06:00:00 69391.224 10 Hz 8560 -14 -14
2021-06-27 06:20:00 12065709.51 10 us 8560 -14 -14
2021-06-27 06:40:00 12056774.19 2 us 8560 -14 -14
2021-06-27 07:10:00 12044431.17 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)