2018 XF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2298780690 ± 2.00e+00
Semi-major axis (a)1.2665066655 AU ± 3.00e+00
Inclination (i)25.85668869° ± 4.00e+00
Long. of Asc. Node (Ω)81.62065531° ± 5.00e+00
Arg. of Perihelion (ω)327.68412408° ± 6.00e+00
Mean Anomaly (M)332.56110217° ± 2.71e-01
Mean Motion (n)0.6914867400°/day ± 2.46e+00
Perihelion dist (q)0.97534270 AU ± 3.43e+00
Aphelion dist (Q)1.55770570 AU ± 4.48e+00
Orbital Period1.42534580 yr ± 5.06e+00
Physical Parameters
H (abs. magnitude)25.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.564″
Uncertainty3
Orbit TypeApollo
MOID0.018717 AU
Observations Used83
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-12-18
Observations (85)
Date Type RA Dec Mag Band Observatory
2018-12-14 20:09:04 C 05 42 48.12 +44 09 13.4 q C77
2018-12-14 20:26:43 C 05 42 36.19 +44 22 00.5 q 160
2018-12-14 20:28:46 C 05 42 34.82 +44 23 27.6 q 160
2018-12-14 20:31:03 C 05 42 33.32 +44 25 03.7 q 160
2018-12-14 20:33:21 C 05 42 31.89 +44 26 44.1 q 160
2018-12-14 20:35:38 C 05 42 30.46 +44 28 20.3 q 160
2018-12-14 21:45:50 C 05 41 44.23 +45 17 33.3 18.9 V 104
2018-12-14 21:51:08 C 05 41 40.58 +45 21 13.8 18.9 V 104
2018-12-14 21:56:27 C 05 41 37.03 +45 24 53.4 18.9 V 104
2018-12-14 22:56:47 C 05 40 56.77 +46 05 51.4 V 203
2018-12-14 23:25:46 C 05 40 36.92 +46 25 18.3 V 203
2018-12-14 23:40:43 C 05 40 26.79 +46 35 12.6 V 204
2018-12-14 23:43:21 C 05 40 24.99 +46 36 56.8 V 204
2018-12-14 23:45:57 C 05 40 23.19 +46 38 40.7 V 204
2018-12-14 23:48:45 C 05 40 21.28 +46 40 31.9 V 204
2018-12-14 23:50:30 C 05 40 20.00 +46 41 43.0 V 203
2018-12-14 23:51:33 C 05 40 19.36 +46 42 22.7 V 204
2018-12-15 00:06:38 C 05 40 10.30 +46 52 31.7 V C95
2018-12-15 00:14:48 C 05 40 04.59 +46 57 53.5 V C95
2018-12-15 00:14:53 C 05 40 02.44 +46 57 52.5 V K63
2018-12-15 00:18:38 C 05 40 00.02 +47 00 21.8 V K63
2018-12-15 00:20:45 C 05 39 58.35 +47 01 44.3 V K63
2018-12-15 00:22:58 C 05 39 58.99 +47 03 15.0 V C95
2018-12-15 00:27:32 C 05 39 53.80 +47 06 08.5 V K63
2018-12-15 01:27:36 C 05 39 11.82 +47 44 31.3 V 595
2018-12-15 01:30:51 C 05 39 09.65 +47 46 35.4 V 595
2018-12-15 01:31:14 C 05 39 09.17 +47 46 51.9 V L01
2018-12-15 01:32:21 C 05 39 08.40 +47 47 34.5 V L01
2018-12-15 01:33:41 C 05 39 07.54 +47 48 25.3 V L01
2018-12-15 01:34:07 C 05 39 07.42 +47 48 38.9 V 595
2018-12-15 01:34:48 C 05 39 06.75 +47 49 07.8 V L01
2018-12-15 01:36:08 C 05 39 05.87 +47 49 58.0 V L01
2018-12-15 01:37:22 C 05 39 05.22 +47 50 42.5 V 595
2018-12-18 05:29:21 C 04 40 12.15 +74 16 06.1 20.0 q H21
2018-12-18 05:39:35 C 04 40 00.23 +74 17 48.1 19.7 q H21