2018 NF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5409902798 ± 2.56e-05
Semi-major axis (a)2.0602115262 AU ± 1.09e-04
Inclination (i)11.01071567° ± 4.00e-04
Long. of Asc. Node (Ω)117.49319219° ± 5.54e-05
Arg. of Perihelion (ω)225.24687158° ± 1.66e-04
Mean Anomaly (M)161.31011004° ± 7.10e-02
Mean Motion (n)0.3333070941°/day ± 2.65e-05
Perihelion dist (q)0.94565712 AU ± 7.28e-05
Aphelion dist (Q)3.17476594 AU ± 1.76e-04
Orbital Period2.95711163 yr ± 2.35e-04
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.221″
Uncertainty2
Orbit TypeApollo
MOID0.022066 AU
Observations Used76
Oppositions1
Arc Total2018-2018
First Observation Used2018-07-12
Last Observation Used2018-11-08
Observations (80)
Date Type RA Dec Mag Band Observatory
2018-07-14 16:43:21 C 21 08 00.30 -04 03 48.0 q 900
2018-07-14 22:31:55 C 21 12 05.71 -04 19 11.7 q A17
2018-07-14 22:36:46 C 21 12 09.02 -04 19 24.7 q A17
2018-07-14 22:41:35 C 21 12 12.34 -04 19 37.9 q A17
2018-07-14 23:24:44 C 21 12 41.89 -04 21 32.2 U K74
2018-07-14 23:27:56 C 21 12 45.01 -04 21 42.0 V J69
2018-07-14 23:35:55 C 21 12 50.57 -04 22 02.0 V J69
2018-07-14 23:43:56 C 21 12 56.08 -04 22 24.9 V J69
2018-07-14 23:46:33 C 21 12 56.95 -04 22 30.8 U K74
2018-07-15 00:20:20 C 21 13 21.29 -04 24 03.4 V Z80
2018-07-15 00:29:02 C 21 13 27.23 -04 24 26.2 V Z80
2018-07-15 00:30:54 C 21 13 31.15 -04 23 52.9 V G40
2018-07-15 00:37:45 C 21 13 33.30 -04 24 50.7 V Z80
2018-07-15 00:42:10 C 21 13 38.93 -04 24 23.5 V G40
2018-07-15 01:00:21 C 21 13 49.04 -04 25 49.7 V J95
2018-07-15 01:04:09 C 21 13 51.71 -04 25 59.9 V J95
2018-07-15 01:07:59 C 21 13 54.38 -04 26 10.3 V J95
2018-07-15 04:01:24 C 21 16 02.51 -04 31 11.2 q X31
2018-07-15 04:04:02 C 21 16 04.31 -04 31 18.5 q X31
2018-07-15 04:06:48 C 21 16 06.28 -04 31 26.4 q X31
2018-07-16 00:22:07 C 21 31 56.88 -05 32 46.8 V J95
2018-07-16 00:29:58 C 21 32 03.28 -05 33 11.0 V J95
2018-07-16 00:38:29 C 21 32 10.21 -05 33 37.2 V J95
2018-07-17 13:40:54 C 22 07 00.12 -07 36 37.6 U T08
2018-07-17 13:56:33 C 22 07 15.96 -07 37 33.6 U T08
2018-07-17 14:11:23 C 22 07 31.05 -07 38 26.6 U T08
2018-07-17 14:27:13 C 22 07 47.18 -07 39 23.5 U T08
2018-11-08 07:36:48 C 06 39 19.17 -01 28 08.3 U 807
2018-11-08 07:52:43 C 06 39 18.28 -01 28 02.5 U 807
2018-11-08 08:00:34 C 06 39 17.89 -01 28 00.2 U 807