168378 (1997 ET30)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4495441615 ± 7.44e-09
Semi-major axis (a)2.1369590145 AU ± 4.33e-09
Inclination (i)6.81171260° ± 2.15e-06
Long. of Asc. Node (Ω)23.20967142° ± 6.26e-06
Arg. of Perihelion (ω)263.36106272° ± 7.07e-06
Mean Anomaly (M)352.56084806° ± 4.46e-06
Mean Motion (n)0.3155135296°/day ± 9.58e-10
Perihelion dist (q)1.17630157 AU ± 1.61e-08
Aphelion dist (Q)3.09761646 AU ± 1.71e-08
Orbital Period3.12387962 yr ± 9.49e-09
Physical Parameters
H (abs. magnitude)16.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.025″
Uncertainty0
Orbit TypeAmor
MOID0.203992 AU
Observations Used877
Gaia Obs Used30
Oppositions19
Arc Total1988-2016
First Observation Used1988-09-14
Last Observation Used2025-04-23
Observations (1241)
Date Type RA Dec Mag Band Observatory
2022-03-26 06:37:52 C 10 26 03.194 +17 14 41.09 U F52
2022-03-26 06:56:59 C 10 26 02.258 +17 14 42.89 U F52
2022-03-26 07:16:12 C 10 26 01.336 +17 14 44.48 U F52
2022-04-01 06:30:09 C 10 19 48.720 +17 22 28.85 V G96
2022-04-01 06:37:35 C 10 19 48.421 +17 22 28.96 V G96
2022-04-01 06:45:03 C 10 19 48.086 +17 22 29.35 V G96
2022-04-01 06:52:30 C 10 19 47.816 +17 22 29.21 V G96
2022-04-28 04:13:19 C 10 07 21.634 +16 17 56.98 V G96
2022-04-28 04:21:26 C 10 07 21.641 +16 17 55.14 V G96
2022-04-28 04:33:31 C 10 07 21.644 +16 17 52.91 V G96
2022-04-28 04:43:21 C 10 07 21.619 +16 17 50.53 V G96
2022-05-26 03:59:23 C 10 21 16.729 +12 54 57.53 V G96
2022-05-26 04:07:34 C 10 21 17.021 +12 54 54.36 V G96
2022-05-26 04:15:46 C 10 21 17.316 +12 54 51.62 V G96
2022-05-26 04:23:57 C 10 21 17.622 +12 54 48.38 V G96
2023-12-13 06:53:03 C 05 38 16.026 +32 17 37.79 V G96
2023-12-13 07:00:39 C 05 38 15.554 +32 17 37.72 V G96
2023-12-13 07:08:16 C 05 38 15.126 +32 17 37.68 V G96
2023-12-13 07:15:51 C 05 38 14.694 +32 17 38.08 V G96
2023-12-14 07:06:19 C 05 36 52.963 +32 17 47.00 V G96
2023-12-14 07:14:29 C 05 36 52.466 +32 17 47.36 V G96
2023-12-14 07:22:39 C 05 36 52.013 +32 17 47.04 V G96
2024-12-08 13:50:21 C 10 39 51.387 +16 16 29.71 X F51
2024-12-08 14:08:28 C 10 39 51.761 +16 16 29.42 X F51
2024-12-08 14:45:02 C 10 39 52.474 +16 16 28.32 X F51
2024-12-26 10:53:48 C 10 45 17.964 +16 26 50.80 X F52
2024-12-26 11:10:18 C 10 45 18.008 +16 26 52.01 X F52
2024-12-26 11:26:54 C 10 45 18.067 +16 26 53.44 X F52
2024-12-26 11:43:28 C 10 45 18.116 +16 26 54.77 X F52
2024-12-30 11:32:16 C 10 45 27.875 +16 35 46.40 X F52
2024-12-30 11:45:13 C 10 45 27.850 +16 35 47.78 X F52
2024-12-30 11:51:36 C 10 45 27.843 +16 35 48.42 X F52
2024-12-30 12:04:31 C 10 45 27.826 +16 35 49.78 X F52
2024-12-30 12:10:55 C 10 45 27.827 +16 35 50.61 X F52
2024-12-30 12:23:47 C 10 45 27.807 +16 35 51.96 X F52
2024-12-30 12:30:13 C 10 45 27.788 +16 35 52.68 X F52
2025-01-05 20:02:43 C 10 44 49.06 +16 55 02.2 V D29
2025-01-05 20:28:10 C 10 44 48.83 +16 55 05.9 V D29
2025-01-05 20:53:38 C 10 44 48.60 +16 55 09.4 V D29
2025-01-06 11:38:14 C 10 44 41.412 +16 57 22.34 X F51
2025-01-06 11:55:43 C 10 44 41.250 +16 57 25.02 X F51
2025-01-06 12:13:14 C 10 44 41.067 +16 57 27.68 X F51
2025-01-06 12:30:44 C 10 44 40.891 +16 57 30.49 X F51
2025-01-21 13:54:04 C 10 38 05.980 +18 08 27.69 X F52
2025-01-21 14:13:43 C 10 38 05.392 +18 08 31.93 X F52
2025-01-21 14:33:24 C 10 38 04.829 +18 08 36.86 X F52
2025-01-21 14:53:01 C 10 38 04.262 +18 08 41.40 X F52
2025-01-24 09:46:54 C 10 36 05.681 +18 24 56.70 V G96
2025-01-24 09:54:29 C 10 36 05.411 +18 24 58.79 V G96
2025-01-24 10:02:05 C 10 36 05.180 +18 25 00.30 V G96