2021 ET2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2841576361 ± 3.69e-05
Semi-major axis (a)1.6453815826 AU ± 1.17e-04
Inclination (i)3.76037259° ± 4.41e-04
Long. of Asc. Node (Ω)179.93277388° ± 1.35e-04
Arg. of Perihelion (ω)345.24128628° ± 5.96e-04
Mean Anomaly (M)84.90146185° ± 8.58e-02
Mean Motion (n)0.4669951052°/day ± 4.97e-05
Perihelion dist (q)1.17783384 AU ± 1.03e-04
Aphelion dist (Q)2.11292932 AU ± 1.62e-04
Orbital Period2.11057091 yr ± 2.25e-04
Physical Parameters
H (abs. magnitude)23.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.333″
Uncertainty2
Orbit TypeAmor
MOID0.185824 AU
Observations Used75
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-07
Last Observation Used2021-04-21
Observations (76)
Date Type RA Dec Mag Band Observatory
2021-03-07 08:14:36 C 11 50 12.32 -03 55 39.0 V G96
2021-03-07 08:22:03 C 11 50 12.64 -03 55 34.6 V G96
2021-03-07 08:29:29 C 11 50 12.97 -03 55 30.8 V G96
2021-03-07 08:36:57 C 11 50 13.29 -03 55 26.7 V G96
2021-03-07 10:26:04 C 11 50 18.14 -03 54 24.8 V I52
2021-03-07 10:31:23 C 11 50 18.33 -03 54 22.5 V I52
2021-03-07 10:41:59 C 11 50 18.78 -03 54 16.5 V I52
2021-03-08 06:29:29 C 11 51 24.62 -03 42 21.5 u 807
2021-03-08 06:35:16 C 11 51 24.86 -03 42 18.1 u 807
2021-03-08 06:40:52 C 11 51 25.95 -03 43 07.6 u H21
2021-03-08 06:41:05 C 11 51 25.16 -03 42 15.2 u 807
2021-03-08 06:56:36 C 11 51 26.63 -03 42 58.7 u H21
2021-03-08 07:04:28 C 11 51 26.97 -03 42 54.1 u H21
2021-03-08 12:17:32 C 11 51 44.81 -03 38 53.1 V 474
2021-03-08 12:22:36 C 11 51 45.03 -03 38 50.5 V 474
2021-03-08 12:27:40 C 11 51 45.25 -03 38 47.3 V 474
2021-03-08 12:32:44 C 11 51 45.49 -03 38 44.6 V 474
2021-03-08 21:55:07 C 11 52 16.41 -03 34 24.9 V L01
2021-03-08 21:59:37 C 11 52 16.58 -03 34 21.9 V L01
2021-03-08 22:04:07 C 11 52 16.82 -03 34 19.7 V L01
2021-03-08 22:08:37 C 11 52 16.99 -03 34 17.1 V L01
2021-03-08 22:13:40 C 11 52 17.26 -03 34 13.8 V L01
2021-03-10 03:01:28 C 11 53 49.99 -03 16 17.6 u 807
2021-03-10 03:07:23 C 11 53 50.25 -03 16 14.2 u 807
2021-03-10 03:13:18 C 11 53 50.50 -03 16 10.3 u 807
2021-03-12 12:29:01 C 11 56 47.92 -02 40 47.6 V 474
2021-03-12 12:32:03 C 11 56 48.05 -02 40 45.6 V 474
2021-03-12 12:35:06 C 11 56 48.18 -02 40 43.9 V 474
2021-03-12 12:38:08 C 11 56 48.30 -02 40 41.9 V 474
2021-03-15 07:04:09 C 12 00 08.37 -01 58 59.5 o 691
2021-03-15 07:12:50 C 12 00 08.69 -01 58 54.2 o 691
2021-03-15 07:21:32 C 12 00 09.03 -01 58 48.8 o 691
2021-03-15 10:20:14 C 12 00 17.835 -01 56 43.97 U F52
2021-03-15 10:21:09 C 12 00 17.856 -01 56 43.50 U F52
2021-03-15 10:38:53 C 12 00 18.523 -01 56 32.12 U F52
2021-03-15 10:39:48 C 12 00 18.562 -01 56 31.35 U F52
2021-03-15 10:57:34 C 12 00 19.210 -01 56 19.85 U F52
2021-03-15 10:58:28 C 12 00 19.240 -01 56 18.95 U F52
2021-03-15 11:17:08 C 12 00 19.917 -01 56 06.91 U F52
2021-03-17 03:59:18 C 12 02 19.73 -01 28 44.2 u 807
2021-03-17 04:05:17 C 12 02 19.92 -01 28 40.4 u 807
2021-03-17 04:11:15 C 12 02 20.11 -01 28 36.9 u 807
2021-03-21 16:24:47 C 12 07 24.54 -00 18 17.3 q D29
2021-03-21 16:45:08 C 12 07 25.23 -00 18 04.4 q D29
2021-03-21 17:05:31 C 12 07 25.89 -00 17 52.1 q D29
2021-03-22 03:28:43 C 12 07 55.94 -00 10 20.3 u 807
2021-03-22 03:32:40 C 12 07 56.12 -00 10 17.5 u 807
2021-03-22 03:36:37 C 12 07 56.26 -00 10 14.8 u 807
2021-03-22 06:59:05 C 12 08 05.05 -00 08 50.9 V G96
2021-03-22 07:07:17 C 12 08 05.34 -00 08 46.0 V G96