IAA RAS IAA Minor Planet Database

2023 ET1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3774443816 ± 1.07e-04
Semi-major axis (a)1.3857541532 AU ± 1.93e-04
Inclination (i)0.63084333° ± 1.55e-04
Long. of Asc. Node (Ω)345.63275103° ± 4.81e-04
Arg. of Perihelion (ω)125.81685722° ± 6.76e-04
Mean Anomaly (M)262.54398202° ± 1.32e-01
Mean Motion (n)0.6042031607°/day ± 1.27e-04
Perihelion dist (q)0.86270903 AU ± 1.91e-04
Aphelion dist (Q)1.90879927 AU ± 3.05e-04
Orbital Period1.63128290 yr ± 3.42e-04
Physical Parameters
H (abs. magnitude)29.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.247″
Uncertainty3
Orbit TypeApollo
MOID0.000843 AU
Observations Used18
Oppositions1
Arc Total2023-2023
First Observation Used2023-03-14
Last Observation Used2023-03-20
Observations (18)
Date Type RA Dec Mag Band Observatory
2023-03-14 06:58:09 C 11 36 25.834 -03 52 18.55 – V G96
2023-03-14 07:06:11 C 11 36 30.442 -03 52 29.21 – V G96
2023-03-14 07:14:12 C 11 36 34.996 -03 52 40.08 – V G96
2023-03-14 07:47:46 C 11 36 45.98 -03 54 15.9 – q 734
2023-03-14 07:52:40 C 11 36 48.79 -03 54 21.8 – q 734
2023-03-14 08:06:30 C 11 36 56.74 -03 54 39.5 – q 734
2023-03-14 10:29:06 C 11 38 22.542 -03 56 38.51 – V I52
2023-03-14 10:33:29 C 11 38 24.947 -03 56 43.76 – V I52
2023-03-14 10:38:59 C 11 38 28.046 -03 56 49.52 – V I52
2023-03-14 10:42:14 C 11 38 29.785 -03 56 52.94 – V I52
2023-03-15 05:33:54 C 11 48 31.17 -04 06 41.7 – V 807
2023-03-15 05:44:33 C 11 48 34.25 -04 06 50.0 – V 807
2023-03-15 05:55:12 C 11 48 37.36 -04 06 58.4 – V 807
2023-03-18 13:38:33 C 12 05 27.004 -04 41 45.60 – V T12
2023-03-20 11:20:52 C 12 09 31.878 -04 47 00.48 – V T12
2023-03-20 11:26:13 C 12 09 31.964 -04 47 00.76 – V T12
2023-03-20 11:31:30 C 12 09 32.047 -04 47 01.10 – V T12
2023-03-20 11:36:48 C 12 09 32.132 -04 47 01.44 – V T12