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
2021-06-19 09:48:11 C 19 06 12.29 +62 19 34.3 V 703
2021-06-21 12:14:55 C 19 21 12.58 +57 18 29.6 V T08
2021-06-21 12:22:17 C 19 21 13.98 +57 17 30.2 V T08
2021-06-21 12:28:15 C 19 21 15.14 +57 16 42.2 V T08
2021-06-21 12:42:18 C 19 21 17.90 +57 14 47.8 V T08
2021-06-21 18:34:50 C 19 23 36.30 +56 25 22.2 V N51
2021-06-21 18:51:48 C 19 23 40.15 +56 23 02.2 V N51
2021-06-21 21:12:08 C 19 24 37.67 +56 00 52.3 V L01
2021-06-21 21:12:11 C 19 24 32.62 +56 01 02.2 V L18
2021-06-21 21:16:32 C 19 24 33.78 +56 00 25.6 V L18
2021-06-21 21:18:06 C 19 24 39.34 +56 00 02.8 V L01
2021-06-21 21:19:36 C 19 24 37.99 +55 59 28.5 V G34
2021-06-21 21:20:52 C 19 24 35.00 +55 59 48.2 V L18
2021-06-21 21:24:04 C 19 24 40.95 +55 59 13.2 V L01
2021-06-21 21:25:37 C 19 24 39.50 +55 58 38.0 V G34
2021-06-21 21:30:20 C 19 24 42.66 +55 58 21.3 V L01
2021-06-21 21:37:03 C 19 24 44.50 +55 57 25.1 V L01
2021-06-21 23:28:52 C 19 25 15.20 +55 41 11.7 V 204
2021-06-21 23:32:01 C 19 25 15.95 +55 40 43.7 V 204
2021-06-22 03:42:34 C 19 27 04.09 +55 00 21.1 q 858
2021-06-22 03:48:19 C 19 27 05.95 +54 59 30.5 q 858
2021-06-22 03:55:30 C 19 27 08.22 +54 58 27.2 q 858
2021-06-22 04:00:27 C 19 27 06.21 +54 58 01.4 q H36
2021-06-22 04:04:38 C 19 27 07.39 +54 57 25.0 q H36
2021-06-22 04:09:27 C 19 27 08.85 +54 56 41.0 q H36
2021-06-22 04:14:58 C 19 27 10.38 +54 55 51.1 q H36
2021-06-22 04:26:03 C 19 27 13.55 +54 54 11.1 q H36
2021-06-22 05:54:41 C 19 27 33.85 +54 40 37.4 u H21
2021-06-22 05:58:59 C 19 27 34.91 +54 39 56.1 u H21
2021-06-22 06:03:08 C 19 27 35.95 +54 39 16.1 u H21
2021-06-22 06:07:10 C 19 27 36.95 +54 38 37.2 u H21
2021-06-22 06:13:20 C 19 27 38.52 +54 37 37.4 u H21
2021-06-22 21:31:33 C 19 33 29.24 +51 46 46.1 V L18
2021-06-22 21:34:46 C 19 33 30.23 +51 46 07.2 V L18
2021-06-22 21:37:56 C 19 33 31.20 +51 45 29.7 V L18
2021-06-22 22:04:09 C 19 33 47.31 +51 39 11.6 V J69
2021-06-22 22:56:52 C 19 34 04.29 +51 28 39.6 V J69
2021-06-22 22:57:58 C 19 34 04.23 +51 28 24.1 V Z80
2021-06-22 23:00:49 C 19 34 05.53 +51 27 51.7 V J69
2021-06-22 23:04:46 C 19 34 06.78 +51 27 04.0 V J69
2021-06-22 23:05:02 C 19 34 06.47 +51 26 58.0 V Z80
2021-06-22 23:08:43 C 19 34 08.04 +51 26 16.0 V J69
2021-06-22 23:11:42 C 19 34 08.57 +51 25 36.9 V Z80
2021-06-22 23:16:37 C 19 34 10.47 +51 24 38.9 V J69
2021-06-23 00:47:29 C 19 34 38.02 +51 05 39.0 V J95
2021-06-23 00:59:48 C 19 34 41.70 +51 03 01.3 V J95
2021-06-23 01:13:20 C 19 34 45.74 +51 00 06.6 V J95
2021-06-23 22:17:37 C 19 43 52.27 +45 35 11.7 V J95
2021-06-23 22:20:47 C 19 43 53.46 +45 34 16.9 V J95
2021-06-23 22:24:03 C 19 43 54.66 +45 33 20.0 V J95
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)