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
2021-03-22 07:15:25 C 12 08 05.59 -00 08 40.8 V G96
2021-03-22 07:23:38 C 12 08 05.87 -00 08 35.3 V G96
2021-03-24 22:57:33 C 12 10 58.25 +00 31 35.1 V L01
2021-03-24 23:06:17 C 12 10 58.54 +00 31 41.1 V L01
2021-03-24 23:10:38 C 12 10 58.70 +00 31 43.4 V L01
2021-03-24 23:15:57 C 12 10 58.89 +00 31 47.1 V L01
2021-03-25 04:10:50 C 12 11 12.46 +00 35 43.9 u 807
2021-03-25 04:18:01 C 12 11 12.70 +00 35 48.6 u 807
2021-03-25 04:24:51 C 12 11 12.96 +00 35 52.8 u 807
2021-03-31 08:52:39 C 12 17 41.22 +02 00 33.6 V I52
2021-03-31 08:56:17 C 12 17 41.35 +02 00 34.8 V I52
2021-03-31 09:01:08 C 12 17 41.54 +02 00 37.3 V I52
2021-03-31 09:05:58 C 12 17 41.65 +02 00 39.9 V I52
2021-04-01 09:41:43 C 12 18 44.58 +02 13 22.0 o 691
2021-04-01 10:11:38 C 12 18 45.65 +02 13 36.9 o 691
2021-04-01 10:41:26 C 12 18 46.73 +02 13 51.7 o 691
2021-04-03 06:06:13 C 12 20 39.91 +02 35 02.5 V G96
2021-04-03 06:14:16 C 12 20 40.17 +02 35 05.9 V G96
2021-04-03 06:22:18 C 12 20 40.49 +02 35 09.7 V G96
2021-04-03 06:30:19 C 12 20 40.69 +02 35 14.0 V G96
2021-04-08 09:16:42 C 12 25 51.341 +03 26 09.46 U F51
2021-04-08 09:35:52 C 12 25 51.929 +03 26 16.31 U F51
2021-04-08 10:14:18 C 12 25 53.151 +03 26 30.13 U F51
2021-04-21 08:08:14 C 12 39 21.01 +04 27 35.5 V V06
2021-04-21 08:24:12 C 12 39 21.66 +04 27 35.8 V V06
2021-04-21 08:32:11 C 12 39 21.96 +04 27 35.7 V V06