2023 HL12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4430698223 ± 6.26e-05
Semi-major axis (a)1.7589627884 AU ± 1.91e-04
Inclination (i)8.67890476° ± 1.09e-03
Long. of Asc. Node (Ω)203.26797434° ± 1.37e-04
Arg. of Perihelion (ω)74.90112522° ± 1.44e-04
Mean Anomaly (M)11.56871972° ± 6.05e-02
Mean Motion (n)0.4225005692°/day ± 6.89e-05
Perihelion dist (q)0.97961946 AU ± 1.53e-04
Aphelion dist (Q)2.53830612 AU ± 2.97e-04
Orbital Period2.33284013 yr ± 3.80e-04
Physical Parameters
H (abs. magnitude)24.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.158″
Uncertainty2
Orbit TypeApollo
MOID0.099133 AU
Observations Used26
Oppositions1
Arc Total2023-2023
First Observation Used2023-04-16
Last Observation Used2023-05-22
Observations (26)
Date Type RA Dec Mag Band Observatory
2023-04-16 08:45:26 C 13 50 27.517 -08 49 59.12 V V00
2023-04-16 08:52:37 C 13 50 27.546 -08 49 47.32 V V00
2023-04-16 08:59:45 C 13 50 27.604 -08 49 35.62 V V00
2023-04-16 09:06:55 C 13 50 27.679 -08 49 23.74 V V00
2023-05-12 06:11:12 C 14 16 42.395 +24 40 23.84 V G96
2023-05-12 06:18:42 C 14 16 43.003 +24 41 03.23 V G96
2023-05-12 06:26:12 C 14 16 43.565 +24 41 42.90 V G96
2023-05-12 06:33:43 C 14 16 44.206 +24 42 22.57 V G96
2023-05-12 07:06:16 C 14 16 46.619 +24 45 10.87 V H01
2023-05-12 07:12:49 C 14 16 47.164 +24 45 45.06 V H01
2023-05-12 07:26:56 C 14 16 48.330 +24 46 58.98 V H01
2023-05-12 07:38:02 C 14 16 49.257 +24 47 56.93 V H01
2023-05-12 08:09:20 C 14 16 52.110 +24 50 43.10 V I52
2023-05-12 08:11:52 C 14 16 52.300 +24 50 56.10 V I52
2023-05-13 03:59:13 C 14 19 02.132 +26 36 25.06 V I52
2023-05-13 04:02:18 C 14 19 02.446 +26 36 41.22 V I52
2023-05-13 04:05:23 C 14 19 02.723 +26 36 58.18 V I52
2023-05-13 04:08:29 C 14 19 02.996 +26 37 15.10 V I52
2023-05-16 06:55:13 C 14 28 24.049 +33 36 34.88 V V06
2023-05-16 06:56:54 C 14 28 24.240 +33 36 44.75 V V06
2023-05-16 06:58:35 C 14 28 24.452 +33 36 54.11 V V06
2023-05-16 07:00:16 C 14 28 24.640 +33 37 03.86 V V06
2023-05-21 04:36:01 C 14 50 03.62 +45 17 46.2 u H21
2023-05-21 04:54:53 C 14 50 07.54 +45 19 40.1 u H21
2023-05-22 04:01:25 C 14 55 47.46 +47 38 38.0 u H21
2023-05-22 04:20:49 C 14 55 51.86 +47 40 35.4 u H21