2002 AC9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5602626484 ± 1.99e-08
Semi-major axis (a)1.7031560022 AU ± 2.34e-09
Inclination (i)2.27643418° ± 8.70e-06
Long. of Asc. Node (Ω)2.41341220° ± 3.86e-04
Arg. of Perihelion (ω)28.63914202° ± 3.82e-04
Mean Anomaly (M)291.78705832° ± 5.33e-06
Mean Motion (n)0.4434356773°/day ± 9.12e-10
Perihelion dist (q)0.74894131 AU ± 3.40e-08
Aphelion dist (Q)2.65737069 AU ± 3.41e-08
Orbital Period2.22270407 yr ± 4.57e-09
Physical Parameters
H (abs. magnitude)21.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.511″
Uncertainty0
Orbit TypeApollo
MOID0.028844 AU
Observations Used127
Oppositions11
Arc Total2002-2022
First Observation Used2002-01-09
Last Observation Used2022-02-06
Observations (130)
Date Type RA Dec Mag Band Observatory
2022-01-28 08:21:41 C 09 09 38.79 +24 53 05.4 V U68
2022-01-28 08:27:23 C 09 09 38.06 +24 53 03.8 V U68
2022-01-29 09:03:04 C 09 06 33.036 +24 50 28.88 U F52
2022-01-29 09:17:35 C 09 06 31.137 +24 50 27.51 U F52
2022-01-29 09:32:11 C 09 06 29.288 +24 50 26.42 U F52
2022-01-30 09:12:13 C 09 03 37.87 +24 47 22.6 q H45
2022-01-30 09:15:48 C 09 03 37.46 +24 47 22.5 q H45
2022-01-30 09:28:53 C 09 03 37.85 +24 47 31.2 V T05
2022-01-30 09:33:12 C 09 03 37.29 +24 47 29.0 V T05
2022-01-30 09:38:45 C 09 03 36.59 +24 47 29.6 V T05
2022-01-30 09:46:39 C 09 03 35.54 +24 47 28.6 V T05
2022-01-30 17:38:11 C 09 02 40.29 +24 46 21.2 V D29
2022-01-30 18:08:44 C 09 02 36.58 +24 46 16.3 V D29
2022-01-30 18:39:17 C 09 02 32.92 +24 46 11.5 V D29
2022-01-31 14:58:41 C 09 00 18.94 +24 43 26.2 V D29
2022-01-31 15:19:03 C 09 00 16.63 +24 43 24.0 V D29
2022-01-31 15:39:25 C 09 00 14.22 +24 43 21.0 V D29
2022-02-01 08:17:07 C 08 58 27.41 +24 40 57.7 V 703
2022-02-01 08:39:47 C 08 58 24.97 +24 40 54.1 V 703
2022-02-04 06:36:18 C 08 51 42.84 +24 29 51.8 V G96
2022-02-04 06:44:27 C 08 51 42.07 +24 29 50.4 V G96
2022-02-04 06:52:38 C 08 51 41.31 +24 29 49.1 V G96
2022-02-04 07:00:50 C 08 51 40.53 +24 29 47.8 V G96
2022-02-05 05:50:51 C 08 49 43.87 +24 25 52.8 V 703
2022-02-05 05:57:48 C 08 49 43.23 +24 25 51.3 V 703
2022-02-05 06:04:44 C 08 49 42.61 +24 25 49.3 V 703
2022-02-05 06:11:40 C 08 49 42.06 +24 25 49.6 V 703
2022-02-06 06:31:05 C 08 47 44.52 +24 21 31.5 V 703
2022-02-06 06:38:38 C 08 47 43.75 +24 21 30.7 V 703
2022-02-06 06:46:09 C 08 47 43.16 +24 21 29.1 V 703