2017 ET22

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5569883671 ± 7.47e-08
Semi-major axis (a)1.6219248516 AU ± 2.73e-08
Inclination (i)9.00531004° ± 1.83e-05
Long. of Asc. Node (Ω)131.24219556° ± 1.06e-04
Arg. of Perihelion (ω)135.45054173° ± 1.08e-04
Mean Anomaly (M)41.35785744° ± 3.40e-05
Mean Motion (n)0.4771623665°/day ± 1.20e-08
Perihelion dist (q)0.71853158 AU ± 1.22e-07
Aphelion dist (Q)2.52531813 AU ± 1.28e-07
Orbital Period2.06559937 yr ± 5.21e-08
Physical Parameters
H (abs. magnitude)22.13
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.241″
Uncertainty0
Orbit TypeApollo
MOID0.085089 AU
Observations Used64
Oppositions2
Arc Total2017-2021
First Observation Used2017-03-06
Last Observation Used2021-10-05
Observations (64)
Date Type RA Dec Mag Band Observatory
2021-09-11 13:11:17 C 03 35 51.498 -12 46 18.06 U F52
2021-09-11 13:27:48 C 03 35 48.114 -12 46 38.07 U F52
2021-09-11 13:44:19 C 03 35 44.762 -12 46 58.06 U F52
2021-09-13 01:16:44 C 03 28 54.11 -13 28 19.4 V L01
2021-09-13 01:20:09 C 03 28 53.42 -13 28 22.5 V L01
2021-09-13 01:23:35 C 03 28 52.75 -13 28 26.2 V L01
2021-09-13 01:27:00 C 03 28 52.08 -13 28 29.9 V L01
2021-09-13 01:30:59 C 03 28 51.31 -13 28 34.5 V L01
2021-10-03 11:36:05 C 02 08 07.791 -18 27 52.11 U F51
2021-10-03 11:46:15 C 02 08 06.367 -18 27 53.44 U F51
2021-10-03 11:57:29 C 02 08 04.766 -18 27 55.18 U F51
2021-10-05 11:15:33 C 02 01 50.976 -18 33 34.38 U F51
2021-10-05 11:23:23 C 02 01 49.948 -18 33 35.03 U F51
2021-10-05 11:31:12 C 02 01 48.859 -18 33 35.51 U F51