2019 AC9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3315937182 ± 1.11e-04
Semi-major axis (a)1.1621559743 AU ± 5.78e-05
Inclination (i)6.77165637° ± 2.99e-03
Long. of Asc. Node (Ω)109.39602956° ± 4.47e-04
Arg. of Perihelion (ω)83.31537733° ± 9.02e-03
Mean Anomaly (M)125.46584275° ± 2.74e-01
Mean Motion (n)0.7867117695°/day ± 5.87e-05
Perihelion dist (q)0.77679235 AU ± 1.35e-04
Aphelion dist (Q)1.54751959 AU ± 1.50e-04
Orbital Period1.25284294 yr ± 9.35e-05
Physical Parameters
H (abs. magnitude)25.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.545″
Uncertainty3
Orbit TypeApollo
MOID0.004248 AU
Observations Used29
Oppositions1
Arc Total2019-2019
First Observation Used2019-01-10
Last Observation Used2019-01-12
Observations (30)
Date Type RA Dec Mag Band Observatory
2019-01-10 06:19:33 C 05 09 38.08 +19 13 55.5 U I41
2019-01-10 06:20:03 C 05 09 37.13 +19 14 01.6 U I41
2019-01-10 06:25:28 C 05 09 27.27 +19 15 07.1 U I41
2019-01-10 06:25:58 C 05 09 26.33 +19 15 13.0 U I41
2019-01-11 04:12:50 C 04 20 33.22 +24 27 13.7 U I41
2019-01-11 04:13:20 C 04 20 31.57 +24 27 21.5 U I41
2019-01-11 04:14:48 C 04 20 27.15 +24 27 44.0 U I41
2019-01-11 04:15:18 C 04 20 25.51 +24 27 52.9 U I41
2019-01-11 08:37:08 C 04 05 59.63 +25 38 57.2 V I52
2019-01-11 08:37:25 C 04 05 58.77 +25 39 01.6 V I52
2019-01-11 08:37:40 C 04 05 57.92 +25 39 04.8 V I52
2019-01-11 08:37:57 C 04 05 56.93 +25 39 09.9 V I52
2019-01-11 16:55:56 C 03 35 59.29 +28 01 05.2 V L01
2019-01-11 16:56:45 C 03 35 55.77 +28 01 19.6 V L01
2019-01-11 16:58:29 C 03 35 48.33 +28 01 50.4 V L01
2019-01-11 16:58:53 C 03 35 46.64 +28 01 57.4 V L01
2019-01-11 16:59:42 C 03 35 43.13 +28 02 11.6 V L01
2019-01-11 17:00:37 C 03 35 39.17 +28 02 28.2 V L01
2019-01-11 17:46:56 C 03 32 19.87 +28 16 06.2 V 104
2019-01-11 17:52:49 C 03 31 51.71 +28 17 31.1 V 595
2019-01-11 17:54:35 C 03 31 46.12 +28 18 19.0 V 104
2019-01-11 17:57:42 C 03 31 30.07 +28 18 55.0 V 595
2019-01-11 17:58:31 C 03 31 26.55 +28 19 09.3 V 595
2019-01-11 18:04:52 C 03 31 00.59 +28 21 16.5 V 104
2019-01-11 18:11:37 C 03 30 28.22 +28 22 54.0 r 106
2019-01-11 18:14:28 C 03 30 15.48 +28 23 42.7 r 106
2019-01-11 18:17:20 C 03 30 02.72 +28 24 31.3 r 106
2019-01-11 18:20:12 C 03 29 49.88 +28 25 22.2 r 106
2019-01-12 07:32:59 C 02 23 05.844 +31 39 44.61 V F51
2019-01-12 07:49:49 C 02 21 26.361 +31 42 20.68 V F51