1997 AC11

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3679773069 ± 3.69e-07
Semi-major axis (a)0.9132339760 AU ± 8.74e-09
Inclination (i)31.69720129° ± 1.82e-05
Long. of Asc. Node (Ω)116.91699091° ± 2.97e-06
Arg. of Perihelion (ω)141.58454258° ± 1.64e-05
Mean Anomaly (M)275.14910926° ± 5.53e-05
Mean Motion (n)1.1293776403°/day ± 1.62e-08
Perihelion dist (q)0.57718460 AU ± 3.37e-07
Aphelion dist (Q)1.24928336 AU ± 3.37e-07
Orbital Period0.87271631 yr ± 1.25e-08
NGA Modelr2
A2-4.82290662e-14 ± 1.07e-14 AU/d²
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.433″
Uncertainty0
Orbit TypeAten
MOID0.103329 AU
Observations Used178
Oppositions4
Arc Total1997-2024
First Observation Used1997-01-10
Last Observation Used2024-12-18
Observations (186)
Date Type RA Dec Mag Band Observatory
1997-01-18 01:54:39 C 10 40 56.10 +33 23 54.4 z 046
1997-01-18 01:59:38 C 10 40 57.06 +33 24 53.6 z 046
1997-01-18 02:07:09 C 10 40 58.57 +33 26 21.9 z 046
1997-01-18 18:47:33 C 10 44 46.71 +36 48 13.5 z 355
1997-01-18 18:51:13 C 10 44 47.47 +36 48 58.7 z 355
1997-01-18 19:15:44 C 10 44 53.40 +36 54 07.6 z 360
1997-01-18 19:20:45 C 10 44 54.51 +36 55 10.0 z 360
1997-01-18 19:24:15 C 10 44 55.27 +36 55 52.5 z 360
1997-01-19 18:22:00 C 10 51 05.49 +41 48 21.1 z 360
1997-01-19 18:24:29 C 10 51 06.16 +41 48 53.6 z 360
1997-01-19 18:27:00 C 10 51 06.83 +41 49 26.2 z 360
1997-01-20 17:31:30 C 10 58 37.14 +46 56 16.6 z 402
1997-01-20 17:33:14 C 10 58 37.72 +46 56 40.3 z 402
1997-01-20 17:34:45 C 10 58 38.19 +46 57 00.8 z 402
1997-01-20 17:36:15 C 10 58 38.69 +46 57 20.7 z 402
1997-01-20 17:37:45 C 10 58 39.21 +46 57 40.5 z 402
1997-01-24 10:41:07 C 11 53 01.47 +66 47 02.9 z 658
1997-01-24 10:43:52 C 11 53 04.34 +66 47 37.3 z 658
1997-01-24 10:45:42 C 11 53 06.03 +66 47 59.0 z 658
1997-01-27 02:03:44 C 13 46 11.82 +77 30 09.9 z 118
1997-01-27 02:11:21 C 13 46 33.32 +77 31 02.9 z 118
1997-01-27 02:17:13 C 13 46 49.91 +77 31 44.7 z 118
1997-01-27 02:23:09 C 13 47 06.64 +77 32 26.8 z 118
2010-02-07 00:29:47 S 03 28 49.037 +12 30 41.26 L C51
2010-02-07 02:05:08 S 03 28 47.129 +12 34 18.05 L C51
2010-02-07 08:26:22 S 03 28 40.286 +12 48 37.80 L C51
2010-02-07 11:36:53 S 03 28 36.754 +12 55 46.34 L C51
2017-01-23 02:23:54 C 03 59 40.15 +01 43 15.9 o 926
2017-01-23 02:32:08 C 03 59 39.15 +01 43 42.0 o 926
2017-01-23 02:40:20 C 03 59 38.17 +01 44 08.0 o 926
2017-01-23 03:54:35 C 03 59 29.39 +01 48 04.7 o 691
2017-01-23 03:57:31 C 03 59 29.06 +01 48 13.3 o 691
2017-01-23 04:00:26 C 03 59 28.75 +01 48 22.6 o 691
2017-01-23 10:36:33 C 03 58 44.25 +02 09 50.5 t 474
2017-01-23 10:43:20 C 03 58 43.41 +02 10 12.2 t 474
2017-01-23 10:50:07 C 03 58 42.66 +02 10 33.6 t 474
2017-01-23 10:56:56 C 03 58 41.86 +02 10 55.4 t 474
2017-01-23 17:37:14 C 03 57 58.73 +02 31 26.8 o K88
2017-01-23 17:49:05 C 03 57 57.39 +02 32 04.3 o K88
2017-01-23 18:29:13 C 03 57 52.99 +02 34 11.0 q 246
2017-01-23 18:30:18 C 03 57 52.77 +02 34 13.2 q 246
2017-01-23 18:31:19 C 03 57 52.61 +02 34 17.3 q 246
2017-01-23 18:31:33 C 03 57 52.60 +02 34 18.8 q 246
2017-01-23 20:18:30 C 03 57 40.53 +02 39 55.5 S 595
2017-01-23 20:23:20 C 03 57 39.97 +02 40 10.8 S 595
2017-01-23 20:30:34 C 03 57 39.37 +02 40 34.5 q I93
2017-01-23 20:48:48 C 03 57 37.27 +02 41 32.1 q I93
2017-01-24 19:49:27 C 03 55 10.11 +03 53 36.7 U 204
2017-01-24 20:02:51 C 03 55 08.66 +03 54 17.9 U 204
2017-01-24 20:20:07 C 03 55 06.77 +03 55 12.0 U 204