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
2019-01-28 09:30:23 C 11 29 52.00 +41 11 06.2 V G96
2019-01-28 09:37:59 C 11 29 51.01 +41 11 14.7 V G96
2019-01-28 09:45:38 C 11 29 49.99 +41 11 23.6 V G96
2019-01-28 09:53:15 C 11 29 49.01 +41 11 32.2 V G96
2019-03-12 02:28:54 C 09 01 20.76 +46 21 41.0 u H21
2019-03-12 02:37:41 C 09 01 19.99 +46 21 37.0 u H21
2019-03-12 02:52:36 C 09 01 18.70 +46 21 31.0 u H21
2020-01-05 12:02:47 C 15 42 04.24 +43 40 07.4 V 703
2020-01-05 12:09:52 C 15 42 02.66 +43 40 56.4 V 703
2020-01-05 12:16:58 C 15 42 01.06 +43 41 47.5 V 703
2020-01-05 12:24:03 C 15 41 59.52 +43 42 38.3 V 703
2020-01-20 14:18:36 C 12 12 18.27 +75 23 21.2 V T05
2020-01-20 14:23:40 C 12 12 11.82 +75 23 31.1 V T05
2020-01-20 14:31:53 C 12 12 01.59 +75 23 45.7 V T05
2020-01-20 14:46:16 C 12 11 43.93 +75 24 12.3 V T05
2020-01-22 11:40:54 C 11 15 15.61 +76 17 35.7 V T08
2020-01-22 11:45:35 C 11 15 09.74 +76 17 37.9 V T08
2020-01-22 11:53:44 C 11 14 59.01 +76 17 43.2 V T08
2020-01-22 12:09:46 C 11 14 38.25 +76 17 53.9 V T08
2020-02-05 07:45:40 C 07 25 48.657 +67 35 51.85 U F51
2020-02-05 08:23:51 C 07 25 39.352 +67 34 33.81 U F51
2020-02-05 08:42:55 C 07 25 34.729 +67 33 54.85 U F51
2020-02-05 09:28:22 C 07 25 23.742 +67 32 20.89 U F51
2020-02-05 09:54:00 C 07 25 17.594 +67 31 27.87 U F51
2023-02-19 08:34:59 C 16 07 28.78 -01 24 53.7 u 807
2023-02-19 08:44:06 C 16 07 30.27 -01 24 55.6 u 807
2023-02-19 08:53:13 C 16 07 31.73 -01 24 56.7 u 807
2024-03-13 08:19:10 C 13 29 51.436 +28 29 55.21 V G96
2024-03-13 08:26:36 C 13 29 50.698 +28 30 07.20 V G96
2024-03-13 08:34:01 C 13 29 49.931 +28 30 19.62 V G96
2024-03-13 08:41:25 C 13 29 49.146 +28 30 31.54 V G96
2024-03-27 10:52:24 C 12 37 16.121 +38 27 01.55 X F52
2024-03-27 11:06:48 C 12 37 12.873 +38 27 26.99 X F52
2024-03-27 11:21:13 C 12 37 09.632 +38 27 51.88 X F52
2024-03-27 11:29:03 C 12 37 07.841 +38 28 05.61 X F51
2024-03-27 11:35:34 C 12 37 06.388 +38 28 16.66 X F52
2024-03-27 11:45:25 C 12 37 04.155 +38 28 34.19 X F51
2024-03-27 12:01:38 C 12 37 00.519 +38 29 02.06 X F51
2024-03-29 11:49:55 C 12 26 00.974 +39 51 00.86 X F52
2024-03-29 12:06:12 C 12 25 56.964 +39 51 27.34 X F52
2024-03-29 12:22:17 C 12 25 53.014 +39 51 54.30 X F52
2024-04-05 07:58:25 C 11 41 07.622 +43 52 36.58 X F52
2024-04-05 08:15:21 C 11 41 02.352 +43 52 57.14 X F52
2024-04-05 08:32:21 C 11 40 57.048 +43 53 17.84 X F52
2024-04-14 05:08:16 C 10 31 01.117 +46 28 35.33 V G96
2024-04-14 05:16:33 C 10 30 58.252 +46 28 37.02 V G96
2024-04-14 05:24:51 C 10 30 55.372 +46 28 38.64 V G96
2024-04-14 05:33:08 C 10 30 52.484 +46 28 40.37 V G96
2024-04-19 07:16:55 C 09 50 07.402 +46 20 20.60 X F52
2024-04-19 07:29:12 C 09 50 03.291 +46 20 16.05 X F52