IAA RAS IAA Minor Planet Database

2023 ER1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6133592223 ± 6.57e-03
Semi-major axis (a)1.9512310091 AU ± 2.90e-02
Inclination (i)5.71732676° ± 5.36e-02
Long. of Asc. Node (Ω)171.97922514° ± 1.58e-03
Arg. of Perihelion (ω)288.12746445° ± 3.08e-02
Mean Anomaly (M)12.61617678° ± 8.40e+00
Mean Motion (n)0.3616279400°/day ± 8.05e-03
Perihelion dist (q)0.75437840 AU ± 1.70e-02
Aphelion dist (Q)3.14795820 AU ± 4.85e-02
Orbital Period2.72547430 yr ± 6.07e-02
Physical Parameters
H (abs. magnitude)27.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.422″
Uncertainty3
Orbit TypeApollo
MOID0.005853 AU
Observations Used17
Oppositions1
Arc Total2023-2023
First Observation Used—
Last Observation Used2023-03-18
Observations (18)
Date Type RA Dec Mag Band Observatory
2023-03-13 06:21:26 C 11 01 30.378 +05 40 13.91 – V G96
2023-03-13 06:28:50 C 11 01 36.800 +05 40 45.44 – V G96
2023-03-13 06:36:14 C 11 01 43.392 +05 41 17.88 – V G96
2023-03-13 06:43:37 C 11 01 49.930 +05 41 50.57 – V G96
2023-03-13 07:33:49 C 11 02 32.573 +05 45 19.08 – V H01
2023-03-13 07:39:24 C 11 02 37.376 +05 45 42.60 – V H01
2023-03-13 07:50:21 C 11 02 47.742 +05 46 36.30 – V I52
2023-03-13 07:50:50 C 11 02 48.253 +05 46 38.46 – V I52
2023-03-13 07:51:20 C 11 02 48.606 +05 46 40.40 – V I52
2023-03-13 07:53:11 C 11 02 49.222 +05 46 40.80 – V H01
2023-03-13 08:07:45 C 11 03 01.693 +05 47 41.59 – V H01
2023-03-14 06:07:33 C 11 18 59.64 +07 03 31.0 – u 807
2023-03-14 06:10:18 C 11 19 01.01 +07 03 37.2 – u 807
2023-03-14 06:13:04 C 11 19 02.42 +07 03 43.6 – u 807
2023-03-14 06:51:25 C 11 19 31.202 +07 01 20.35 – V I52
2023-03-14 06:53:28 C 11 19 32.272 +07 01 25.00 – V I52
2023-03-14 06:57:34 C 11 19 34.320 +07 01 35.36 – V I52
2023-03-18 13:05:13 C 11 48 08.801 +09 02 44.44 – V T12