523805 (2001 QA143)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4930323637 ± 2.12e-08
Semi-major axis (a)2.2601536841 AU ± 1.03e-09
Inclination (i)6.82841883° ± 2.17e-06
Long. of Asc. Node (Ω)305.26333915° ± 3.29e-05
Arg. of Perihelion (ω)98.64503531° ± 4.79e-05
Mean Anomaly (M)26.17994630° ± 6.77e-06
Mean Motion (n)0.2900716730°/day ± 1.98e-10
Perihelion dist (q)1.14582477 AU ± 4.79e-08
Aphelion dist (Q)3.37448260 AU ± 4.79e-08
Orbital Period3.39787154 yr ± 2.32e-09
Physical Parameters
H (abs. magnitude)19.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.402″
Uncertainty0
Orbit TypeAmor
MOID0.198182 AU
Observations Used353
Oppositions13
Arc Total2001-2019
First Observation Used2001-08-11
Last Observation Used2019-02-01
Observations (361)
Date Type RA Dec Mag Band Observatory
2018-10-09 11:02:45 C 00 22 23.99 +42 42 23.7 U T05
2018-10-10 20:39:43 C 00 24 10.14 +43 40 26.0 V Z80
2018-10-10 20:47:20 C 00 24 10.65 +43 40 40.5 V Z80
2018-10-11 10:29:22 C 00 24 53.27 +44 04 35.8 U T08
2018-10-11 10:40:39 C 00 24 53.76 +44 04 56.3 U T08
2018-10-11 10:44:01 C 00 24 53.93 +44 05 02.4 U T08
2018-10-11 10:53:34 C 00 24 54.29 +44 05 18.8 U T08
2018-10-11 10:55:39 C 00 24 54.37 +44 05 21.8 U T08
2018-10-11 11:09:36 C 00 24 54.95 +44 05 45.1 U T08
2018-10-11 11:18:23 C 00 24 55.35 +44 05 59.7 U T08
2018-10-14 20:55:34 C 00 30 02.42 +46 22 46.3 V 246
2018-10-14 20:57:13 C 00 30 02.55 +46 22 49.3 V 246
2018-10-14 20:58:35 C 00 30 02.62 +46 22 51.7 V 246
2018-10-14 20:59:02 C 00 30 02.63 +46 22 52.0 V 246
2018-10-14 20:59:24 C 00 30 02.66 +46 22 52.8 V 246
2018-10-14 21:00:13 C 00 30 02.70 +46 22 53.8 V 246
2018-10-14 21:01:16 C 00 30 02.74 +46 22 55.5 V 246
2018-10-16 16:08:44 C 00 33 10.22 +47 32 50.5 q D29
2018-10-16 16:15:06 C 00 33 10.68 +47 33 00.3 q D29
2018-10-16 16:29:06 C 00 33 11.53 +47 33 21.7 q D29
2018-10-16 16:35:28 C 00 33 11.85 +47 33 30.9 q D29
2018-10-16 16:49:28 C 00 33 12.83 +47 33 53.4 q D29
2018-10-16 16:55:50 C 00 33 13.24 +47 34 03.4 q D29
2018-10-17 10:19:04 C 00 34 36.31 +48 01 42.6 U T05
2018-10-17 10:20:23 C 00 34 36.44 +48 01 45.0 U T05
2018-10-17 10:34:52 C 00 34 37.35 +48 02 06.8 U T05
2018-10-17 10:37:00 C 00 34 37.47 +48 02 10.1 U T05
2018-10-17 10:48:27 C 00 34 38.22 +48 02 27.5 U T05
2018-10-17 10:50:32 C 00 34 38.35 +48 02 30.8 U T05
2018-10-17 11:01:58 C 00 34 39.09 +48 02 48.2 U T05
2018-10-20 20:22:17 C 00 41 58.61 +50 05 42.3 c A48
2018-10-20 20:27:32 C 00 41 59.10 +50 05 49.6 c A48
2018-10-20 20:32:47 C 00 41 59.52 +50 05 57.1 c A48
2018-10-20 20:38:04 C 00 42 00.02 +50 06 05.3 c A48
2018-10-21 04:16:38 C 00 42 46.18 +50 17 17.5 V 703
2018-10-21 04:33:06 C 00 42 47.59 +50 17 42.1 V 703
2018-10-21 04:41:22 C 00 42 48.28 +50 17 54.5 V 703
2018-10-21 10:10:18 C 00 43 19.02 +50 25 55.9 U T05
2018-10-21 10:18:14 C 00 43 19.69 +50 26 07.0 U T05
2018-10-21 10:34:16 C 00 43 21.05 +50 26 29.3 U T05
2018-10-21 22:30:02 C 00 44 36.19 +50 43 13.8 V C95
2018-10-21 22:31:44 C 00 44 36.31 +50 43 16.4 V C95
2018-10-21 22:33:25 C 00 44 36.46 +50 43 18.7 V C95
2018-10-21 22:35:07 C 00 44 36.63 +50 43 20.9 V C95
2018-10-21 22:36:49 C 00 44 36.75 +50 43 23.7 V C95
2018-10-22 08:10:51 C 00 45 38.612 +50 57 05.52 U F52
2018-10-22 08:30:02 C 00 45 40.317 +50 57 32.84 U F52
2018-10-22 08:49:11 C 00 45 42.011 +50 57 59.94 U F52
2018-10-22 09:08:21 C 00 45 43.701 +50 58 26.72 U F52
2018-10-23 09:40:22 C 00 48 24.74 +51 32 10.4 U T08