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
2016-04-04 04:02:44 C 11 36 38.88 +42 04 49.1 R G45
2016-04-04 06:20:29 C 11 36 01.53 +42 06 59.4 q H45
2016-04-04 06:22:25 C 11 36 00.97 +42 07 00.9 q H45
2016-04-04 06:24:30 C 11 36 00.47 +42 07 02.7 q H45
2016-04-04 06:26:33 C 11 35 59.87 +42 07 04.7 q H45
2016-04-04 06:28:35 C 11 35 59.33 +42 07 06.4 q H45
2016-04-04 06:30:16 C 11 35 58.80 +42 07 08.3 q H45
2016-04-12 03:52:17 C 10 43 54.00 +44 00 09.3 u H21
2016-04-12 04:01:36 C 10 43 51.34 +44 00 11.4 u H21
2016-04-12 04:10:23 C 10 43 48.84 +44 00 13.3 u H21
2016-04-16 01:55:42 C 10 18 00.90 +44 06 59.5 u H21
2016-04-16 02:07:26 C 10 17 57.65 +44 06 58.2 u H21
2016-04-16 02:20:24 C 10 17 54.09 +44 06 57.1 u H21
2016-04-20 07:14:00 C 09 51 26.63 +43 41 16.3 o 291
2016-04-20 07:24:59 C 09 51 23.82 +43 41 11.4 o 291
2016-04-20 07:35:59 C 09 51 21.01 +43 41 06.6 o 291
2016-04-26 02:06:44 C 09 18 25.63 +42 21 33.3 q H21
2016-04-26 02:18:24 C 09 18 22.96 +42 21 24.6 q H21
2016-04-26 02:30:02 C 09 18 20.30 +42 21 16.6 q H21
2016-05-10 03:45:02 C 08 14 00.42 +37 03 25.5 q I52
2016-05-10 03:49:14 C 08 13 59.75 +37 03 20.1 q I52
2016-05-10 03:51:20 C 08 13 59.40 +37 03 17.3 q I52
2016-05-10 05:45:05 C 08 13 40.464 +37 01 18.30 t 568
2016-05-10 05:47:37 C 08 13 40.028 +37 01 15.49 t 568
2017-02-23 08:53:22 C 12 21 58.64 +30 45 19.8 u H21
2017-02-23 09:19:36 C 12 21 56.21 +30 45 45.5 u H21
2017-02-23 09:42:41 C 12 21 54.10 +30 46 07.1 u H21
2017-02-24 05:58:22 C 12 19 59.97 +31 05 54.3 t J04
2017-02-24 06:09:13 C 12 19 58.88 +31 06 04.4 t J04
2017-02-24 06:20:05 C 12 19 57.85 +31 06 14.7 t J04
2017-02-25 05:20:51 C 12 17 44.48 +31 28 34.4 t J04
2017-02-25 05:30:37 C 12 17 43.50 +31 28 43.2 t J04
2017-02-25 05:40:24 C 12 17 42.51 +31 28 52.7 t J04
2017-03-16 06:00:32 C 11 21 42.99 +37 25 13.8 u H21
2017-03-16 06:16:30 C 11 21 40.77 +37 25 21.8 u H21
2017-03-16 06:30:36 C 11 21 38.79 +37 25 28.8 u H21
2017-03-22 06:39:13 C 11 01 46.64 +38 21 34.5 q G96
2017-03-22 06:45:21 C 11 01 45.75 +38 21 36.2 q G96
2017-03-22 06:51:31 C 11 01 44.92 +38 21 37.8 q G96
2017-03-22 06:57:39 C 11 01 44.09 +38 21 39.3 q G96
2018-02-08 07:41:00 C 11 54 35.04 +33 58 06.1 u H21
2018-02-08 07:58:36 C 11 54 33.46 +33 58 23.3 u H21
2018-02-08 08:15:50 C 11 54 31.90 +33 58 40.2 u H21
2018-03-05 07:51:09 C 10 43 20.72 +41 04 56.0 o 695
2018-03-05 07:59:31 C 10 43 19.58 +41 04 58.8 o 695
2018-03-05 08:07:52 C 10 43 18.49 +41 05 01.5 o 695
2019-01-19 09:31:22 C 11 54 04.22 +36 40 39.1 V I52
2019-01-19 09:37:22 C 11 54 03.85 +36 40 43.5 V I52
2019-01-19 09:43:20 C 11 54 03.05 +36 40 55.4 V I52
2019-01-19 09:49:20 C 11 54 02.44 +36 41 03.2 V I52