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
2024-01-30 05:59:12 C 08 42 29.455 +05 15 45.07 V W68
2024-01-30 06:16:12 C 08 42 26.462 +05 18 32.08 V W68
2024-01-30 08:41:09 C 08 42 03.240 +05 41 00.06 V 703
2024-01-30 08:44:27 C 08 42 02.628 +05 41 32.17 V 703
2024-01-30 08:47:45 C 08 42 02.048 +05 42 04.21 V 703
2024-01-30 08:51:03 C 08 42 01.508 +05 42 36.43 V 703
2024-01-30 20:23:28 C 08 40 13.07 +07 34 15.9 M32
2024-01-30 20:28:24 C 08 40 12.19 +07 35 03.4 M32
2024-01-30 20:35:30 C 08 40 11.02 +07 36 11.7 M32
2024-01-31 01:50:32 B 08 39 22.49 +08 26 44.7 X W42
2024-01-31 01:58:29 B 08 39 21.14 +08 28 00.6 X W42
2024-01-31 02:06:20 B 08 39 19.81 +08 29 15.9 X W42
2024-01-31 11:37:12 C 08 37 44.899 +09 59 17.95 V T05
2024-01-31 11:41:14 C 08 37 44.191 +09 59 55.57 V T05
2024-01-31 11:50:34 C 08 37 42.566 +10 01 23.05 V T05
2024-01-31 12:05:14 C 08 37 39.984 +10 03 40.14 V T05
2024-01-31 23:03:44 C 08 35 58.140 +11 46 13.51 V M22
2024-01-31 23:08:20 C 08 35 57.336 +11 46 55.88 V M22
2024-01-31 23:21:38 C 08 35 55.039 +11 48 57.13 V M22
2024-01-31 23:56:46 C 08 35 49.003 +11 54 17.89 V M22
2024-02-01 20:57:17 C 08 32 38.26 +15 00 35.8 V G17
2024-02-01 21:04:24 C 08 32 37.13 +15 01 38.1 V G17
2024-02-01 21:11:34 C 08 32 35.95 +15 02 40.5 V G17
2024-02-01 21:18:41 C 08 32 34.76 +15 03 42.8 V G17
2024-02-01 21:44:34 B 08 32 30.418 +15 07 20.10 V L65
2024-02-01 21:49:48 B 08 32 29.592 +15 08 05.78 V L65
2024-02-01 21:55:03 B 08 32 28.690 +15 08 51.40 V L65
2024-02-01 22:49:28 B 08 32 20.04 +15 16 53.8 Z C95
2024-02-01 22:58:29 B 08 32 18.55 +15 18 12.0 Z C95
2024-02-01 23:04:41 C 08 32 17.801 +15 18 58.28 V Z80
2024-02-01 23:07:30 B 08 32 17.07 +15 19 30.2 Z C95
2024-02-01 23:20:46 C 08 32 15.144 +15 21 17.93 V Z80
2024-02-01 23:46:07 B 08 32 10.42 +15 25 02.9 V 130
2024-02-01 23:48:21 B 08 32 10.07 +15 25 22.3 V 130
2024-02-01 23:50:39 B 08 32 09.67 +15 25 42.3 V 130
2024-02-02 22:27:54 C 08 28 47.993 +18 36 08.03 q L47
2024-02-02 22:33:55 C 08 28 47.045 +18 36 57.13 q L47
2024-02-03 10:12:04 C 08 27 04.567 +20 10 52.79 V T08
2024-02-03 10:29:03 C 08 27 01.795 +20 13 06.67 V T08
2024-02-03 11:17:19 C 08 26 53.945 +20 19 26.47 V T08
2024-02-04 08:35:48 C 08 23 51.594 +23 01 57.72 V 703
2024-02-04 08:39:02 C 08 23 51.086 +23 02 21.26 V 703
2024-02-04 08:42:17 C 08 23 50.597 +23 02 45.53 V 703
2024-02-04 08:45:32 C 08 23 50.089 +23 03 09.14 V 703
2024-02-04 09:53:39 C 08 23 42.257 +23 11 47.94 V T08
2024-02-04 09:58:18 C 08 23 41.544 +23 12 21.56 V T08
2024-02-04 10:07:37 C 08 23 40.049 +23 13 30.72 V T08
2024-02-04 10:22:13 C 08 23 37.742 +23 15 17.96 V T08
2024-02-04 20:37:43 B 08 22 14.71 +24 29 05.5 X K19
2024-02-04 20:42:55 B 08 22 13.95 +24 29 42.9 X K19