2021 ET

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2666192411 ± 1.36e-07
Semi-major axis (a)1.0165653372 AU ± 9.35e-09
Inclination (i)28.74194008° ± 1.04e-05
Long. of Asc. Node (Ω)132.30737472° ± 1.89e-06
Arg. of Perihelion (ω)233.25569834° ± 1.06e-05
Mean Anomaly (M)10.94099091° ± 2.34e-05
Mean Motion (n)0.9616329382°/day ± 1.33e-08
Perihelion dist (q)0.74552946 AU ± 1.38e-07
Aphelion dist (Q)1.28760122 AU ± 1.38e-07
Orbital Period1.02495063 yr ± 1.41e-08
Physical Parameters
H (abs. magnitude)21.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.264″
Uncertainty0
Orbit TypeApollo
MOID0.119929 AU
Observations Used189
Oppositions1
Arc Total2019-2025
First Observation Used2021-03-03
Last Observation Used2025-02-04
Observations (200)
Date Type RA Dec Mag Band Observatory
2024-02-04 20:48:08 B 08 22 13.18 +24 30 20.3 X K19
2024-02-05 03:09:50 C 08 21 21.74 +25 14 58.0 V U55
2024-02-05 03:23:01 C 08 21 19.84 +25 16 30.9 V U55
2024-02-05 03:36:13 C 08 21 18.00 +25 18 04.2 V U55
2024-02-05 03:37:45 C 08 21 17.77 +25 18 30.8 X 858
2024-02-05 03:52:16 C 08 21 15.60 +25 20 13.1 X 858
2024-02-05 04:07:15 C 08 21 13.37 +25 21 57.8 X 858
2024-02-05 06:10:58 C 08 20 55.057 +25 36 21.64 V 703
2024-02-05 06:14:13 C 08 20 54.568 +25 36 44.39 V 703
2024-02-05 06:17:30 C 08 20 54.074 +25 37 06.31 V 703
2024-02-05 06:20:48 C 08 20 53.617 +25 37 29.57 V 703
2024-02-05 10:41:11 C 08 20 17.090 +26 07 25.68 V T05
2024-02-05 10:45:45 C 08 20 16.332 +26 07 56.75 V T05
2024-02-05 11:25:40 C 08 20 10.327 +26 12 25.78 V T05
2024-02-05 12:06:31 C 08 20 04.224 +26 17 01.25 V T05
2024-02-06 09:34:29 C 08 17 16.694 +28 37 25.21 V T05
2024-02-06 09:38:36 C 08 17 16.073 +28 37 52.14 V T05
2024-02-06 09:47:01 C 08 17 14.842 +28 38 45.49 V T05
2024-02-06 10:07:04 C 08 17 11.902 +28 40 50.99 V T05
2024-02-06 21:10:13 C 08 15 47.94 +29 48 39.2 V K88
2024-02-06 21:14:31 C 08 15 47.36 +29 49 05.1 V K88
2024-02-06 21:18:50 C 08 15 46.76 +29 49 31.6 V K88
2024-02-08 07:24:29 C 08 11 37.249 +33 04 21.77 X F52
2024-02-08 07:42:12 C 08 11 34.884 +33 05 57.72 X F52
2024-02-08 07:59:58 C 08 11 32.501 +33 07 33.55 X F52
2024-02-08 08:17:43 C 08 11 30.127 +33 09 08.85 X F52
2024-02-16 04:47:55 C 07 53 41.867 +45 16 17.36 V G96
2024-02-16 04:55:43 C 07 53 41.233 +45 16 38.24 V G96
2024-02-16 05:06:09 C 07 53 40.369 +45 17 06.36 V G96
2024-02-16 05:14:04 C 07 53 39.707 +45 17 27.53 V G96
2024-02-17 03:18:57 C 07 52 11.950 +46 14 02.90 V G96
2024-02-17 03:27:07 C 07 52 11.406 +46 14 23.14 V G96
2024-02-17 03:35:16 C 07 52 10.805 +46 14 43.73 V G96
2024-02-17 03:43:26 C 07 52 10.178 +46 15 04.18 V G96
2024-03-02 05:53:03 C 07 43 21.720 +54 21 39.14 X F52
2024-03-02 06:11:52 C 07 43 21.661 +54 21 53.66 X F52
2024-03-02 06:30:40 C 07 43 21.620 +54 22 08.23 X F52
2024-03-02 06:49:27 C 07 43 21.565 +54 22 22.68 X F52
2024-03-11 02:18:29 C 07 48 33.07 +56 12 11.8 V H21
2024-03-11 02:36:36 C 07 48 33.70 +56 12 17.4 V H21
2024-03-12 01:53:57 C 07 49 31.66 +56 19 33.1 V H21
2024-03-12 02:10:20 C 07 49 32.28 +56 19 37.7 V H21
2025-02-01 05:05:49 C 05 08 34.170 -01 56 59.57 V G96
2025-02-01 05:13:58 C 05 08 34.804 -01 55 55.96 V G96
2025-02-01 05:22:07 C 05 08 35.434 -01 54 50.72 V G96
2025-02-01 05:30:17 C 05 08 36.082 -01 53 45.96 V G96
2025-02-04 03:47:16 C 05 14 52.984 +06 50 31.06 V G96
2025-02-04 03:55:21 C 05 14 53.614 +06 51 27.25 V G96
2025-02-04 04:03:28 C 05 14 54.218 +06 52 23.20 V G96
2025-02-04 04:11:34 C 05 14 54.848 +06 53 19.18 V G96