538644 (2016 FA4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7934371914 ± 3.82e-08
Semi-major axis (a)1.0919109856 AU ± 4.88e-09
Inclination (i)16.20966335° ± 5.43e-06
Long. of Asc. Node (Ω)53.62175620° ± 3.12e-05
Arg. of Perihelion (ω)281.73953031° ± 2.92e-05
Mean Anomaly (M)91.39252016° ± 1.59e-05
Mean Motion (n)0.8638362465°/day ± 5.79e-09
Perihelion dist (q)0.22554820 AU ± 4.17e-08
Aphelion dist (Q)1.95827377 AU ± 4.26e-08
Orbital Period1.14098741 yr ± 7.65e-09
Physical Parameters
H (abs. magnitude)19.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty0
Orbit TypeApollo
MOID0.163342 AU
Observations Used153
Oppositions1
Arc Total2016-2025
First Observation Used2016-03-18
Last Observation Used2025-04-01
Observations (163)
Date Type RA Dec Mag Band Observatory
2016-03-18 09:48:25 C 13 00 18.741 +32 46 20.61 L F51
2016-03-18 10:05:00 C 13 00 16.238 +32 46 47.33 L F51
2016-03-18 10:21:25 C 13 00 13.753 +32 47 13.82 L F51
2016-03-18 10:37:50 C 13 00 11.281 +32 47 39.86 L F51
2016-03-19 08:25:27 C 12 56 55.34 +33 22 19.4 o 926
2016-03-19 08:39:08 C 12 56 53.18 +33 22 41.2 o 926
2016-03-19 08:48:29 C 12 56 51.74 +33 22 56.1 o 926
2016-03-19 10:52:34 C 12 56 32.18 +33 26 12.3 o 926
2016-03-19 11:02:12 C 12 56 30.68 +33 26 27.5 o 926
2016-03-19 11:11:50 C 12 56 29.15 +33 26 42.5 o 926
2016-03-19 22:48:06 C 12 54 41.75 +33 45 07.8 t 595
2016-03-19 23:24:21 C 12 54 35.95 +33 46 05.2 t 595
2016-03-20 00:00:14 C 12 54 30.18 +33 47 02.9 t 595
2016-03-20 08:05:28 C 12 53 13.09 +33 59 57.2 o 926
2016-03-20 08:16:31 C 12 53 11.24 +34 00 15.1 o 926
2016-03-20 08:28:27 C 12 53 09.26 +34 00 33.8 o 926
2016-03-25 07:48:21 C 12 31 46.21 +37 06 00.7 t 705
2016-03-25 07:49:48 C 12 31 45.94 +37 06 02.7 t 705
2016-03-25 07:51:15 C 12 31 45.53 +37 06 05.3 t 705
2016-03-25 08:48:11 C 12 31 34.15 +37 07 30.7 o 291
2016-03-25 08:54:49 C 12 31 32.81 +37 07 40.4 o 291
2016-03-25 09:01:28 C 12 31 31.46 +37 07 50.3 o 291
2016-03-26 20:40:43 C 12 24 15.28 +38 00 19.0 q 204
2016-03-26 20:55:56 C 12 24 12.00 +38 00 41.0 q 204
2016-03-26 21:11:10 C 12 24 08.76 +38 01 03.4 q 204
2016-03-27 05:56:12 C 12 22 17.22 +38 13 41.9 u H21
2016-03-27 06:04:35 C 12 22 15.40 +38 13 53.8 u H21
2016-03-27 06:12:00 C 12 22 13.79 +38 14 04.7 u H21
2016-03-27 06:12:41 C 12 22 13.63 +38 14 05.5 u H21
2016-03-27 06:18:14 C 12 22 12.42 +38 14 13.5 u H21
2016-03-27 06:24:26 C 12 22 11.08 +38 14 22.5 u H21
2016-03-27 06:31:57 C 12 22 09.45 +38 14 33.1 u H21
2016-03-27 07:50:19 C 12 21 52.75 +38 16 27.5 u 926
2016-03-27 07:59:57 C 12 21 50.71 +38 16 41.4 u 926
2016-03-27 08:09:35 C 12 21 48.56 +38 16 54.6 u 926
2016-03-28 07:51:54 C 12 16 39.53 +38 50 17.4 u 926
2016-03-28 08:00:46 C 12 16 37.51 +38 50 29.1 u 926
2016-03-28 08:09:36 C 12 16 35.56 +38 50 42.1 u 926
2016-03-29 05:00:01 C 12 11 56.09 +39 19 06.2 u 926
2016-03-29 05:09:13 C 12 11 53.95 +39 19 18.8 u 926
2016-03-29 05:18:25 C 12 11 51.85 +39 19 31.0 u 926
2016-03-30 05:42:17 C 12 06 13.07 +39 51 34.2 u H21
2016-03-30 05:47:27 C 12 06 11.82 +39 51 41.2 u H21
2016-03-30 05:54:23 C 12 06 10.16 +39 51 49.4 u H21
2016-04-02 07:43:02 C 11 48 06.53 +41 19 43.2 q 703
2016-04-02 07:51:51 C 11 48 04.18 +41 19 52.7 q 703
2016-04-02 08:09:18 C 11 47 59.70 +41 20 11.7 q 703
2016-04-04 03:32:16 C 11 36 47.06 +42 04 19.8 R G45
2016-04-04 03:39:50 C 11 36 44.97 +42 04 27.2 R G45
2016-04-04 03:54:40 C 11 36 41.02 +42 04 41.7 R G45