2022 ET4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6396397000
Semi-major axis (a)1.7130805000 AU
Inclination (i)1.18181000°
Long. of Asc. Node (Ω)107.41778000°
Arg. of Perihelion (ω)332.53425000°
Mean Anomaly (M)256.33993000°
Mean Motion (n)0.4395794700°/day
Perihelion dist (q)0.61732620 AU
Aphelion dist (Q)2.80883480 AU
Orbital Period2.24216030 yr
Physical Parameters
H (abs. magnitude)24.01
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.590″
Uncertainty7
Orbit TypeApollo
MOID0.017878 AU
Observations Used121
Oppositions1
Arc Total
First Observation Used
Last Observation Used2022-04-02
Observations (125)
Date Type RA Dec Mag Band Observatory
2022-03-12 09:11:22 C 12 56 40.48 +19 23 54.6 V I52
2022-03-12 10:54:10 C 12 55 15.44 +19 14 04.8 V T08
2022-03-12 10:56:47 C 12 55 13.06 +19 13 49.1 V T08
2022-03-12 11:01:23 C 12 55 09.05 +19 13 23.7 V T08
2022-03-12 11:15:26 C 12 54 56.39 +19 11 58.4 V T08
2022-03-13 06:24:41 C 12 41 00.25 +17 29 17.5 u H21
2022-03-13 06:27:00 C 12 40 58.75 +17 29 06.7 u H21
2022-03-13 06:28:51 C 12 40 57.50 +17 28 58.3 u H21
2022-03-13 07:16:59 C 12 40 29.44 +17 25 29.6 V 703
2022-03-13 07:24:42 C 12 40 24.30 +17 24 53.9 V 703
2022-03-13 07:32:24 C 12 40 19.30 +17 24 18.9 V 703
2022-03-13 07:40:07 C 12 40 14.31 +17 23 43.9 V 703
2022-03-13 10:27:18 C 12 38 34.63 +17 11 36.4 V T08
2022-03-13 10:30:35 C 12 38 32.57 +17 11 21.9 V T08
2022-03-13 10:38:36 C 12 38 27.55 +17 10 47.5 V T08
2022-03-13 10:56:30 C 12 38 16.24 +17 09 26.3 V T08
2022-03-23 06:15:36 C 11 48 22.08 +10 06 39.3 V G96
2022-03-23 06:22:58 C 11 48 21.43 +10 06 34.2 V G96
2022-03-23 06:30:21 C 11 48 20.77 +10 06 28.4 V G96
2022-03-23 06:37:41 C 11 48 20.15 +10 06 23.7 V G96
2022-03-23 07:05:48 C 11 48 17.69 +10 06 02.1 V I52
2022-03-23 07:09:33 C 11 48 17.36 +10 05 59.6 V I52
2022-03-23 07:13:17 C 11 48 17.05 +10 05 56.8 V I52
2022-04-02 04:03:59 C 11 38 45.99 +08 07 05.5 u H21
2022-04-02 04:17:07 C 11 38 45.65 +08 07 01.0 u H21