2013 AJ91

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.9286019449 ± 1.50e-07
Semi-major axis (a)2.5353828669 AU ± 2.82e-08
Inclination (i)33.41447907° ± 6.43e-05
Long. of Asc. Node (Ω)95.38972153° ± 3.70e-05
Arg. of Perihelion (ω)165.89890487° ± 5.67e-05
Mean Anomaly (M)50.58857807° ± 1.58e-05
Mean Motion (n)0.2441445024°/day ± 4.07e-09
Perihelion dist (q)0.18102141 AU ± 3.81e-07
Aphelion dist (Q)4.88974433 AU ± 3.85e-07
Orbital Period4.03706114 yr ± 6.73e-08
Physical Parameters
H (abs. magnitude)19.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.207″
Uncertainty0
Orbit TypeApollo
MOID0.485990 AU
Observations Used86
Oppositions16
Arc Total2004-2025
First Observation Used2004-12-15
Last Observation Used2025-01-20
Observations (89)
Date Type RA Dec Mag Band Observatory
2013-01-20 03:21:06 C 07 13 34.43 +65 08 51.3 q H21
2013-01-20 03:27:26 C 07 13 30.08 +65 09 14.2 q H21
2013-01-21 05:42:12 C 06 54 02.31 +66 41 39.9 t 290
2013-01-21 05:43:41 C 06 54 01.10 +66 41 45.0 t 290
2013-01-21 05:45:10 C 06 53 59.86 +66 41 49.9 t 290
2013-01-24 07:30:04 C 05 40 48.117 +70 06 15.57 V F51
2013-01-24 07:41:05 C 05 40 34.934 +70 06 36.80 V F51
2013-01-25 18:19:01 C 04 56 59.58 +70 55 03.1 t 204
2013-01-25 18:37:09 C 04 56 35.35 +70 55 18.7 t 204
2013-01-25 18:53:40 C 04 56 13.33 +70 55 32.2 t 204
2013-01-27 02:37:08 C 04 13 19.76 +71 02 36.7 u H21
2013-01-27 02:42:08 C 04 13 12.98 +71 02 34.7 u H21
2013-01-27 02:48:08 C 04 13 04.76 +71 02 31.9 u H21
2016-12-31 11:04:03 C 08 20 55.644 +37 47 33.32 V F51
2017-01-02 10:42:13 C 08 15 31.340 +38 56 49.68 V F51
2017-01-02 11:15:52 C 08 15 27.145 +38 57 39.99 V F51
2017-01-02 11:32:44 C 08 15 25.033 +38 58 05.24 V F51
2017-01-05 08:59:58 C 08 06 08.922 +40 45 12.32 V F51
2017-01-15 10:22:00 C 07 17 07.209 +47 31 38.40 V F51
2017-01-15 10:41:31 C 07 17 01.851 +47 32 11.40 V F51
2020-12-26 09:42:30 C 08 00 08.756 +33 11 51.25 V F51
2020-12-26 10:19:56 C 08 00 05.277 +33 12 24.06 V F51
2021-01-03 09:58:51 C 07 39 00.589 +36 09 53.43 V F52
2021-01-03 10:14:36 C 07 38 58.461 +36 10 08.81 V F52
2021-01-03 10:46:13 C 07 38 54.260 +36 10 39.34 V F52
2021-01-12 09:42:05 C 07 05 24.395 +39 36 53.13 U F52
2021-01-12 09:43:57 C 07 05 24.049 +39 36 54.96 U F52
2021-01-12 09:58:54 C 07 05 21.271 +39 37 08.53 U F52
2021-01-12 10:00:46 C 07 05 20.925 +39 37 10.28 U F52
2021-01-12 10:15:46 C 07 05 18.153 +39 37 24.21 U F52
2021-01-12 10:17:38 C 07 05 17.810 +39 37 25.99 U F52
2021-01-12 10:32:38 C 07 05 15.049 +39 37 39.61 U F52
2025-01-07 09:23:06 C 07 07 47.936 +34 58 53.74 X F52
2025-01-07 09:39:44 C 07 07 45.635 +34 59 04.73 X F52
2025-01-07 09:56:17 C 07 07 43.334 +34 59 15.79 X F52
2025-01-20 07:21:06 C 06 19 42.834 +37 56 11.76 V V00
2025-01-20 07:29:12 C 06 19 41.444 +37 56 15.29 V V00
2025-01-20 07:37:18 C 06 19 40.051 +37 56 18.71 V V00
2025-01-20 07:45:23 C 06 19 38.647 +37 56 22.06 V V00