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
2017-01-28 03:14:53 C 03 47 26.91 +07 54 35.7 q G96
2017-01-28 03:21:01 C 03 47 26.36 +07 54 55.0 q G96
2017-01-28 03:27:11 C 03 47 25.80 +07 55 13.1 q G96
2017-01-28 03:33:22 C 03 47 25.26 +07 55 30.7 q G96
2017-12-28 15:06:02 C 12 27 55.602 +02 35 33.60 U F51
2017-12-28 15:18:11 C 12 27 58.633 +02 35 48.63 U F51
2017-12-28 15:30:23 C 12 28 01.686 +02 36 03.48 U F51
2017-12-28 15:42:37 C 12 28 04.713 +02 36 18.30 U F51
2023-12-31 06:10:19 C 06 29 07.15 -23 43 09.3 V 691
2023-12-31 06:17:51 C 06 29 05.52 -23 42 54.4 V 691
2023-12-31 06:25:24 C 06 29 03.87 -23 42 39.7 V 691
2024-01-03 09:29:02 C 06 12 34.974 -20 59 24.00 X F52
2024-01-03 09:45:48 C 06 12 31.033 -20 58 43.60 X F52
2024-01-03 10:02:36 C 06 12 27.101 -20 58 03.10 X F52
2024-01-15 05:16:33 C 05 05 54.578 -05 42 30.06 V 703
2024-01-15 05:23:12 C 05 05 52.969 -05 42 03.78 V 703
2024-01-15 05:26:32 C 05 05 52.249 -05 41 50.82 V 703
2024-01-15 05:47:49 C 05 05 47.112 -05 40 29.10 V G96
2024-01-15 05:55:14 C 05 05 45.388 -05 40 00.52 V G96
2024-01-15 06:02:39 C 05 05 43.598 -05 39 31.72 V G96
2024-01-15 06:10:06 C 05 05 41.838 -05 39 02.99 V G96
2024-01-17 03:22:40 C 04 55 26.00 -02 42 05.8 V 691
2024-01-17 03:24:09 C 04 55 25.66 -02 42 00.0 V 691
2024-01-18 02:16:01 C 04 50 20.90 -01 11 24.4 V 691
2024-01-18 02:19:07 C 04 50 20.20 -01 11 12.7 V 691
2024-01-18 02:22:12 C 04 50 19.51 -01 10 59.7 V 691
2024-01-19 01:57:20 C 04 45 10.33 +00 22 46.2 V 691
2024-01-19 02:01:56 C 04 45 09.30 +00 23 04.7 V 691
2024-01-19 02:06:32 C 04 45 08.27 +00 23 22.8 V 691
2024-01-19 04:27:48 C 04 44 36.733 +00 32 42.68 V 703
2024-01-19 04:34:24 C 04 44 35.120 +00 33 09.22 V 703
2024-01-19 04:37:43 C 04 44 34.303 +00 33 24.62 V 703
2024-01-29 04:54:33 C 03 58 35.53 +15 38 40.9 V 691
2024-01-29 05:02:17 C 03 58 34.20 +15 39 07.2 V 691
2024-12-18 12:16:24 C 12 08 03.880 +00 55 25.80 V 291
2024-12-18 12:22:29 C 12 08 05.150 +00 55 29.50 V 291