2023 ON4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4879553277 ± 2.09e-05
Semi-major axis (a)2.1313084487 AU ± 9.12e-05
Inclination (i)6.12640767° ± 1.85e-04
Long. of Asc. Node (Ω)157.47806268° ± 1.84e-04
Arg. of Perihelion (ω)153.62415296° ± 1.41e-04
Mean Anomaly (M)267.50545460° ± 1.72e-02
Mean Motion (n)0.3167691041°/day ± 2.03e-05
Perihelion dist (q)1.09132514 AU ± 6.45e-05
Aphelion dist (Q)3.17129176 AU ± 1.43e-04
Orbital Period3.11149752 yr ± 2.00e-04
Physical Parameters
H (abs. magnitude)23.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.269″
Uncertainty2
Orbit TypeAmor
MOID0.087055 AU
Observations Used25
Oppositions1
Arc Total2023-2023
First Observation Used2023-07-14
Last Observation Used2023-09-20
Observations (25)
Date Type RA Dec Mag Band Observatory
2023-07-14 07:22:46 C 21 10 06.29 +21 55 45.4 V G96
2023-07-14 07:33:43 C 21 10 09.33 +21 55 51.2 V G96
2023-07-15 10:31:28 C 21 18 15.326 +22 10 14.73 V F52
2023-07-15 10:47:16 C 21 18 19.802 +22 10 23.00 V F52
2023-07-15 11:19:19 C 21 18 28.959 +22 10 39.57 V F52
2023-07-26 10:24:23 C 22 41 58.318 +21 56 03.68 X F52
2023-07-26 10:41:54 C 22 42 03.535 +21 55 54.37 X F52
2023-07-26 10:59:26 C 22 42 08.731 +21 55 44.74 X F52
2023-07-26 11:17:21 C 22 42 14.035 +21 55 34.94 X F52
2023-07-26 14:08:44 C 22 43 04.493 +21 53 51.68 V F51
2023-07-26 14:09:39 C 22 43 04.778 +21 53 51.09 V F51
2023-07-27 01:04:12 C 22 46 31.64 +21 46 29.4 V L01
2023-07-27 01:09:02 C 22 46 33.10 +21 46 26.1 V L01
2023-07-27 01:14:53 C 22 46 34.85 +21 46 22.3 V L01
2023-07-27 01:20:44 C 22 46 36.60 +21 46 19.2 V L01
2023-07-27 01:25:35 C 22 46 38.01 +21 46 15.3 V L01
2023-07-28 06:04:21 C 22 55 32.07 +21 26 02.5 u H21
2023-07-28 06:16:27 C 22 55 35.62 +21 25 53.5 u H21
2023-07-28 06:22:29 C 22 55 37.39 +21 25 49.4 u H21
2023-08-16 07:59:05 C 00 42 52.37 +12 00 25.3 u H21
2023-08-16 08:04:27 C 00 42 53.13 +12 00 17.8 u H21
2023-08-16 08:09:48 C 00 42 53.89 +12 00 10.1 u H21
2023-09-20 11:04:13 C 01 28 48.014 -03 42 49.54 V V00
2023-09-20 11:12:08 C 01 28 47.896 -03 42 55.80 V V00
2023-09-20 11:20:03 C 01 28 47.734 -03 43 01.06 V V00