2018 FW4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4591465657 ± 2.00e+00
Semi-major axis (a)1.6299829571 AU ± 3.00e+00
Inclination (i)3.44457537° ± 4.00e+00
Long. of Asc. Node (Ω)196.46655255° ± 5.00e+00
Arg. of Perihelion (ω)52.98839707° ± 6.00e+00
Mean Anomaly (M)221.04849963° ± 2.32e+00
Mean Motion (n)0.4737050000°/day ± 1.31e+00
Perihelion dist (q)0.88158910 AU ± 3.64e+00
Aphelion dist (Q)2.37798410 AU ± 5.46e+00
Orbital Period2.08063600 yr ± 5.74e+00
Physical Parameters
H (abs. magnitude)25.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.309″
Uncertainty4
Orbit TypeApollo
MOID0.001337 AU
Observations Used31
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-03-29
Observations (31)
Date Type RA Dec Mag Band Observatory
2018-03-22 06:51:26 C 12 30 09.44 -13 44 06.2 U G96
2018-03-22 07:06:16 C 12 30 11.56 -13 44 22.9 U G96
2018-03-22 07:13:41 C 12 30 12.66 -13 44 30.8 U G96
2018-03-22 08:28:39 C 12 30 23.09 -13 45 53.1 U H01
2018-03-22 08:39:17 C 12 30 24.63 -13 46 04.4 U H01
2018-03-22 08:49:55 C 12 30 26.19 -13 46 15.6 U H01
2018-03-22 09:00:32 C 12 30 27.73 -13 46 26.9 U H01
2018-03-22 09:33:55 C 12 30 32.88 -13 47 00.9 U V06
2018-03-22 09:36:06 C 12 30 33.24 -13 47 03.0 U V06
2018-03-23 04:27:03 C 12 33 57.82 -14 06 50.5 U 807
2018-03-23 04:31:30 C 12 33 58.57 -14 06 55.9 U 807
2018-03-23 04:36:35 C 12 33 59.38 -14 07 02.6 U 807
2018-03-23 08:14:36 C 12 34 39.51 -14 12 58.4 U V06
2018-03-23 08:18:17 C 12 34 40.14 -14 13 02.9 U V06
2018-03-23 08:21:58 C 12 34 40.76 -14 13 07.5 U V06
2018-03-23 08:25:39 C 12 34 41.37 -14 13 11.9 U V06
2018-03-24 10:11:58 C 12 40 03.22 -14 46 24.7 U I52
2018-03-24 10:14:10 C 12 40 03.62 -14 46 27.9 U I52
2018-03-24 10:15:16 C 12 40 03.86 -14 46 29.4 U I52
2018-03-26 07:51:32 C 12 52 20.07 -15 56 04.8 U 807
2018-03-26 07:56:09 C 12 52 21.43 -15 56 12.6 U 807
2018-03-26 08:01:24 C 12 52 22.98 -15 56 22.0 U 807
2018-03-27 00:49:04 C 12 58 09.47 -16 30 30.1 U 204
2018-03-27 01:09:30 C 12 58 16.31 -16 31 10.1 U 204
2018-03-28 10:28:33 C 13 12 17.75 -17 44 52.7 U I52
2018-03-28 10:29:09 C 13 12 18.00 -17 44 53.0 U I52
2018-03-28 10:30:20 C 13 12 18.57 -17 44 56.4 U I52
2018-03-29 08:44:00 C 13 24 28.61 -18 44 24.1 U I52
2018-03-29 08:45:47 C 13 24 29.62 -18 44 28.3 U I52
2018-03-29 08:46:22 C 13 24 29.97 -18 44 30.2 U I52
2018-03-29 08:46:58 C 13 24 30.29 -18 44 32.5 U I52