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
2002-01-09 09:52:48 C 11 04 41.99 +17 57 04.7 19.1 c 704
2002-01-09 10:36:20 C 11 04 31.61 +17 57 41.2 19.8 c 704
2002-01-09 10:58:05 C 11 04 26.49 +17 57 59.0 19.9 c 704
2002-01-09 11:19:51 C 11 04 21.37 +17 58 18.8 19.6 c 704
2002-01-11 08:25:23 C 10 54 20.32 +18 34 36.9 19.8 c 704
2002-01-11 09:08:53 C 10 54 10.40 +18 35 10.8 19.6 c 704
2002-01-11 09:30:37 C 10 54 05.41 +18 35 26.7 20.2 c 704
2002-01-11 17:23:24 C 10 52 21.67 +18 42 06.0 m 413
2002-01-11 17:25:23 C 10 52 21.26 +18 42 06.8 m 413
2002-01-11 17:28:20 C 10 52 20.54 +18 42 09.8 m 413
2002-01-12 09:56:44 C 10 48 46.87 +18 53 41.9 c 711
2002-01-12 10:12:12 C 10 48 43.42 +18 53 53.1 c 711
2002-01-12 10:26:58 C 10 48 40.20 +18 54 04.0 c 711
2002-01-13 10:16:58 C 10 43 35.86 +19 10 50.5 d 735
2002-01-13 10:26:38 C 10 43 34.14 +19 10 56.4 d 735
2002-01-13 11:03:40 C 10 43 26.29 +19 11 20.6 d 691
2002-01-13 11:10:43 C 10 43 24.73 +19 11 25.6 d 691
2002-01-13 11:17:10 C 10 43 23.28 +19 11 30.1 d 691
2002-01-13 17:08:32 C 10 42 09.96 +19 16 06.3 m 413
2002-01-13 17:10:50 C 10 42 09.46 +19 16 07.5 m 413
2002-01-13 17:13:10 C 10 42 08.94 +19 16 09.1 m 413
2002-01-18 08:29:16 C 10 19 57.18 +20 20 45.5 c 649
2002-01-18 08:33:44 C 10 19 56.30 +20 20 47.7 c 649
2002-01-18 08:38:13 C 10 19 55.41 +20 20 50.3 c 649
2002-01-21 08:53:50 C 10 06 44.57 +20 53 28.9 c 649
2002-01-21 08:58:32 C 10 06 43.73 +20 53 29.6 c 649
2002-01-21 09:03:11 C 10 06 42.88 +20 53 32.4 c 649
2002-01-22 02:56:21 C 10 03 36.25 +21 00 25.6 c 046
2002-01-22 03:02:51 C 10 03 35.09 +21 00 29.3 c 046
2002-01-22 03:04:56 C 10 03 34.72 +21 00 29.6 c 046
2002-01-22 03:08:34 C 10 03 34.14 +21 00 31.1 c 046
2002-01-22 03:12:02 C 10 03 33.53 +21 00 31.8 c 046
2002-02-04 09:49:11 C 09 19 10.91 +22 05 53.6 c 644
2002-02-04 10:20:52 C 09 19 07.37 +22 05 55.5 c 644
2002-02-04 10:50:59 C 09 19 03.98 +22 05 57.0 c 644
2002-02-10 05:25:22 C 09 06 01.38 +22 08 55.5 c 715
2002-02-10 05:30:25 C 09 06 00.96 +22 08 55.5 c 715
2002-02-10 05:35:28 C 09 06 00.60 +22 08 55.3 c 715
2002-02-14 07:09:26 C 08 58 51.23 +22 05 08.6 c 696
2002-02-14 07:12:11 C 08 58 50.99 +22 05 08.4 c 696
2002-03-05 07:27:40 C 08 43 29.77 +21 10 18.7 d 291
2002-03-05 07:35:51 C 08 43 29.69 +21 10 17.7 d 291
2002-03-05 07:42:42 C 08 43 29.60 +21 10 17.1 d 291
2010-07-19 18:02:12 C 20 11 33.02 -32 49 42.3 c D21
2010-07-19 18:08:59 C 20 11 32.51 -32 49 50.8 c D21
2010-07-20 18:19:17 C 20 09 53.06 -33 19 10.9 c D21
2010-07-20 18:32:35 C 20 09 51.96 -33 19 26.9 c D21
2010-07-20 18:45:49 C 20 09 50.93 -33 19 43.4 c D21
2010-07-20 18:59:04 C 20 09 49.76 -33 19 58.8 c D21
2010-07-20 19:12:13 C 20 09 48.71 -33 20 15.1 c D21