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
2025-01-24 10:09:39 C 10 36 04.910 +18 25 02.24 V G96
2025-02-02 09:26:56 C 10 28 10.481 +19 21 39.53 V G96
2025-02-02 09:34:16 C 10 28 10.164 +19 21 41.47 V G96
2025-02-02 09:41:35 C 10 28 09.858 +19 21 43.34 V G96
2025-02-02 09:48:55 C 10 28 09.523 +19 21 45.58 V G96
2025-02-05 06:34:49 C 10 25 11.132 +19 40 34.90 V G96
2025-02-05 06:42:53 C 10 25 10.765 +19 40 37.45 V G96
2025-02-05 06:50:59 C 10 25 10.391 +19 40 39.58 V G96
2025-02-05 06:59:03 C 10 25 10.038 +19 40 41.63 V G96
2025-02-06 09:32:40 C 10 23 57.972 +19 48 00.46 X F51
2025-02-06 09:51:25 C 10 23 57.088 +19 48 05.55 X F51
2025-02-06 10:10:13 C 10 23 56.217 +19 48 10.83 X F51
2025-02-06 10:29:04 C 10 23 55.309 +19 48 16.07 X F51
2025-02-21 06:45:56 C 10 05 47.224 +21 20 27.24 V V00
2025-02-21 06:54:01 C 10 05 46.774 +21 20 29.11 V V00
2025-02-21 07:02:05 C 10 05 46.324 +21 20 30.98 V V00
2025-02-21 07:10:09 C 10 05 45.874 +21 20 32.82 V V00
2025-02-27 06:10:43 C 09 58 00.520 +21 50 49.42 V G96
2025-02-27 06:18:50 C 09 58 00.080 +21 50 50.96 V G96
2025-02-27 06:26:57 C 09 57 59.612 +21 50 52.76 V G96
2025-02-27 06:35:03 C 09 57 59.177 +21 50 54.35 V G96
2025-03-01 05:42:47 C 09 55 27.462 +21 59 35.38 V G96
2025-03-01 05:50:53 C 09 55 26.969 +21 59 37.00 V G96
2025-03-01 05:59:00 C 09 55 26.537 +21 59 38.15 V G96
2025-03-01 06:07:07 C 09 55 26.108 +21 59 39.91 V G96
2025-03-06 06:54:29 C 09 49 07.825 +22 18 35.97 X F52
2025-03-06 07:16:48 C 09 49 06.659 +22 18 39.09 X F52
2025-03-06 07:34:15 C 09 49 05.754 +22 18 41.59 X F52
2025-03-06 07:51:52 C 09 49 04.826 +22 18 43.96 X F52
2025-03-22 04:11:24 C 09 32 29.782 +22 44 15.58 V G96
2025-03-22 04:19:45 C 09 32 29.468 +22 44 15.50 V G96
2025-03-22 04:28:01 C 09 32 29.188 +22 44 15.50 V G96
2025-03-22 04:36:17 C 09 32 28.892 +22 44 15.40 V G96
2025-03-30 08:42:22 C 09 26 44.897 +22 37 40.13 X F51
2025-03-30 09:01:14 C 09 26 44.427 +22 37 38.67 X F51
2025-03-30 09:20:02 C 09 26 43.959 +22 37 37.41 X F51
2025-03-30 09:38:45 C 09 26 43.500 +22 37 36.06 X F51
2025-04-23 03:29:25 C 09 22 59.398 +21 16 02.24 V G96
2025-04-23 03:37:39 C 09 22 59.488 +21 16 00.37 V G96
2025-04-23 03:45:51 C 09 22 59.502 +21 15 58.43 V G96
2025-04-23 03:54:03 C 09 22 59.588 +21 15 57.60 V G96