2018 ET2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6421428114 ± 1.56e-07
Semi-major axis (a)1.6459967783 AU ± 3.64e-08
Inclination (i)50.08713272° ± 2.97e-05
Long. of Asc. Node (Ω)335.22659481° ± 1.13e-05
Arg. of Perihelion (ω)324.69186520° ± 2.01e-05
Mean Anomaly (M)184.96495607° ± 3.74e-05
Mean Motion (n)0.4667333186°/day ± 1.55e-08
Perihelion dist (q)0.58903178 AU ± 2.56e-07
Aphelion dist (Q)2.70296178 AU ± 2.63e-07
Orbital Period2.11175471 yr ± 7.01e-08
Physical Parameters
H (abs. magnitude)19.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.245″
Uncertainty0
Orbit TypeApollo
MOID0.360811 AU
Observations Used54
Oppositions3
Arc Total2016-2022
First Observation Used2016-01-13
Last Observation Used2022-11-08
Observations (55)
Date Type RA Dec Mag Band Observatory
2016-01-13 14:38:41 C 12 54 41.920 -19 53 38.35 V F51
2016-01-13 14:53:37 C 12 54 42.493 -19 54 01.10 V F51
2016-01-23 15:43:00 C 13 04 14.216 -26 40 26.30 V F51
2016-01-24 15:21:24 C 13 05 08.799 -27 25 50.23 V F51
2016-01-24 15:30:13 C 13 05 09.092 -27 26 06.84 V F51
2016-01-24 15:38:34 C 13 05 09.403 -27 26 23.42 V F51
2016-01-24 15:46:58 C 13 05 09.702 -27 26 39.76 V F51
2017-12-28 15:29:27 C 12 10 10.142 +00 55 30.10 V F51
2017-12-28 15:41:42 C 12 10 10.298 +00 55 21.64 V F51
2018-01-17 15:06:59 C 12 12 30.464 -04 35 56.73 U F51
2018-01-17 15:19:26 C 12 12 30.300 -04 36 06.52 U F51
2018-01-17 15:31:52 C 12 12 30.142 -04 36 16.38 U F51
2018-01-17 15:44:21 C 12 12 30.001 -04 36 26.21 U F51
2018-03-08 08:47:52 C 10 12 14.694 -27 34 19.00 U F51
2018-03-08 09:01:52 C 10 12 11.352 -27 34 35.96 U F51
2018-03-08 09:15:55 C 10 12 08.000 -27 34 52.87 U F51
2018-03-08 09:29:52 C 10 12 04.663 -27 35 09.74 U F51
2018-03-09 00:12:20 C 10 08 36.97 -27 52 26.7 u 807
2018-03-09 00:15:59 C 10 08 36.09 -27 52 31.2 u 807
2018-03-09 00:20:12 C 10 08 35.08 -27 52 36.1 u 807
2018-03-10 11:38:51 C 10 00 03.55 -28 32 56.8 U 474
2018-03-10 11:42:14 C 10 00 02.71 -28 33 00.6 U 474
2018-03-10 11:45:38 C 10 00 01.87 -28 33 04.2 U 474
2018-03-12 00:07:47 C 09 51 02.77 -29 11 59.0 U 807
2018-03-12 00:11:11 C 09 51 01.91 -29 12 02.6 U 807
2018-03-12 00:15:04 C 09 51 00.93 -29 12 06.6 U 807
2018-03-22 04:43:35 C 08 47 56.85 -32 07 14.2 U I52
2018-03-22 04:50:24 C 08 47 55.06 -32 07 16.8 U I52
2018-03-22 04:54:21 C 08 47 54.06 -32 07 18.7 U I52
2018-03-22 04:54:58 C 08 47 53.88 -32 07 18.6 U I52
2018-04-11 08:42:15 C 07 06 08.93 -31 37 09.6 U 474
2018-04-11 08:47:19 C 07 06 08.13 -31 37 07.6 U 474
2018-04-11 08:52:23 C 07 06 07.39 -31 37 04.7 U 474
2018-04-11 08:58:31 C 07 06 06.41 -31 37 03.8 U 474
2020-02-05 07:59:09 C 11 21 54.21 +07 55 34.8 V V06
2020-02-14 08:01:16 C 11 02 19.16 +07 06 10.0 V I52
2020-02-14 08:06:19 C 11 02 18.69 +07 06 08.6 V I52
2020-02-14 08:11:20 C 11 02 18.12 +07 06 07.7 V I52
2020-02-27 06:36:49 C 10 24 52.14 +05 44 02.0 V G96
2020-02-27 06:44:06 C 10 24 51.12 +05 43 59.8 V G96
2020-02-27 06:51:23 C 10 24 50.14 +05 43 57.7 V G96
2020-02-27 06:58:40 C 10 24 49.15 +05 43 55.8 V G96
2020-03-15 03:19:51 C 09 28 42.02 +03 31 03.9 V G96
2020-03-15 03:35:57 C 09 28 39.82 +03 30 58.1 V G96
2020-03-15 03:45:37 C 09 28 38.52 +03 30 54.7 V G96
2022-03-08 07:15:36 C 09 38 23.65 +20 39 10.2 o 691
2022-03-08 07:29:29 C 09 38 22.10 +20 39 05.9 o 691
2022-03-08 07:43:23 C 09 38 20.52 +20 39 03.1 o 691
2022-03-26 04:45:04 C 08 58 10.51 +18 03 04.0 V V00
2022-03-26 04:52:06 C 08 58 10.00 +18 03 00.9 V V00