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
2019-03-15 07:38:48 C 12 03 36.42 +06 14 28.7 V 703
2019-03-15 07:46:58 C 12 03 36.02 +06 14 30.7 V 703
2019-03-15 07:55:08 C 12 03 35.54 +06 14 33.0 V 703
2019-03-15 08:03:18 C 12 03 35.09 +06 14 34.5 V 703
2019-03-24 01:55:30 C 11 51 32.52 +07 02 43.7 q 160
2019-03-24 01:59:10 C 11 51 32.27 +07 02 43.7 q 160
2019-03-24 02:02:44 C 11 51 32.22 +07 02 45.0 q 160
2019-03-25 14:30:47 C 11 49 21.02 +07 10 35.4 q D29
2019-03-25 14:51:09 C 11 49 19.74 +07 10 39.8 q D29
2019-03-25 15:11:31 C 11 49 18.46 +07 10 43.9 q D29
2019-03-26 10:40:17 C 11 48 07.64 +07 14 50.4 V T08
2019-03-26 10:52:54 C 11 48 06.83 +07 14 52.8 V T08
2019-03-26 11:05:26 C 11 48 06.05 +07 14 55.4 V T08
2019-03-26 11:18:57 C 11 48 05.14 +07 14 58.0 V T08
2019-03-27 06:06:12 C 11 46 57.21 +07 18 47.0 V 703
2019-03-27 06:18:50 C 11 46 56.33 +07 18 48.9 V 703
2019-03-27 06:24:07 C 11 46 56.05 +07 18 49.1 V 703
2019-03-29 05:34:11 C 11 44 04.51 +07 28 08.2 V G96
2019-03-29 05:42:14 C 11 44 04.00 +07 28 09.7 V G96
2019-03-29 05:50:16 C 11 44 03.49 +07 28 11.3 V G96
2019-03-29 05:58:19 C 11 44 02.99 +07 28 12.8 V G96
2019-03-29 21:59:25 C 11 43 04.69 +07 31 12.5 V 130
2019-03-29 22:02:27 C 11 43 04.52 +07 31 12.7 V 130
2019-03-29 22:05:27 C 11 43 04.32 +07 31 13.7 V 130
2019-03-30 10:32:24 C 11 42 18.93 +07 33 35.5 V T08
2019-03-30 10:45:19 C 11 42 18.11 +07 33 37.6 V T08
2019-03-30 10:57:30 C 11 42 17.33 +07 33 39.8 V T08
2019-03-30 11:10:22 C 11 42 16.51 +07 33 42.4 V T08
2019-04-01 05:18:10 C 11 39 44.56 +07 41 06.6 V 703
2019-04-01 05:27:15 C 11 39 44.04 +07 41 07.9 V 703
2019-04-01 05:36:20 C 11 39 43.44 +07 41 09.7 V 703
2019-04-01 05:45:25 C 11 39 42.85 +07 41 10.9 V 703
2019-04-02 05:34:04 C 11 38 17.44 +07 45 08.5 U I41
2019-04-02 06:32:05 C 11 38 13.86 +07 45 17.7 U I41
2019-04-03 07:11:18 C 11 36 46.333 +07 49 12.56 U F51
2019-04-03 07:27:26 C 11 36 45.342 +07 49 15.09 U F51
2019-04-03 07:43:36 C 11 36 44.353 +07 49 17.58 U F51
2019-04-03 07:59:46 C 11 36 43.358 +07 49 20.11 U F51
2019-04-05 06:33:28 C 11 33 59.60 +07 56 02.4 V G96
2019-04-05 06:41:33 C 11 33 59.11 +07 56 03.5 V G96
2019-04-05 06:49:39 C 11 33 58.63 +07 56 04.6 V G96
2019-04-05 06:57:43 C 11 33 58.15 +07 56 06.0 V G96
2019-04-05 10:11:23 C 11 33 46.92 +07 56 33.4 V T05
2019-04-05 10:24:32 C 11 33 46.12 +07 56 35.3 V T05
2019-04-05 10:25:14 C 11 33 46.09 +07 56 35.3 V T05
2019-04-05 10:37:49 C 11 33 45.31 +07 56 36.7 V T05
2019-04-05 10:38:30 C 11 33 45.25 +07 56 37.5 V T05
2019-04-05 10:51:01 C 11 33 44.49 +07 56 39.2 V T05
2019-04-05 10:51:40 C 11 33 44.48 +07 56 38.9 V T05
2019-04-05 11:04:55 C 11 33 43.67 +07 56 41.2 V T05