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
2018-12-13 05:59:15 C 06 01 34.14 +09 27 12.0 U I41
2018-12-13 05:59:45 C 06 01 33.82 +09 27 43.4 U I41
2018-12-13 09:55:58 C 05 59 22.29 +13 31 39.2 V G96
2018-12-13 10:03:30 C 05 59 18.23 +13 39 22.7 V G96
2018-12-13 10:18:32 C 05 59 10.11 +13 54 46.4 V G96
2018-12-13 10:54:02 C 05 58 51.09 +14 31 06.6 V G96
2018-12-13 10:54:11 C 05 58 51.04 +14 31 14.7 V G96
2018-12-13 10:54:19 C 05 58 50.96 +14 31 22.8 V G96
2018-12-13 11:36:11 C 05 58 29.06 +15 14 07.5 V I52
2018-12-13 11:36:23 C 05 58 28.96 +15 14 18.4 V I52
2018-12-13 11:36:34 C 05 58 28.86 +15 14 29.7 V I52
2018-12-13 11:36:45 C 05 58 28.79 +15 14 41.2 V I52
2018-12-13 12:01:27 C 05 58 16.17 +15 39 48.9 V I52
2018-12-13 12:01:38 C 05 58 16.00 +15 39 59.5 V I52
2018-12-13 12:01:49 C 05 58 15.95 +15 40 11.8 V I52
2018-12-13 12:30:53 C 05 58 01.44 +16 09 41.7 V I52
2018-12-13 12:31:04 C 05 58 01.34 +16 09 53.0 V I52
2018-12-13 12:31:15 C 05 58 01.28 +16 10 04.5 V I52
2018-12-13 12:31:26 C 05 58 01.12 +16 10 15.7 V I52
2018-12-13 19:19:08 C 05 55 36.91 +22 57 21.3 V J95
2018-12-13 19:24:01 C 05 55 34.53 +23 02 10.9 V J95
2018-12-13 19:27:57 C 05 55 32.60 +23 06 04.1 V J95
2018-12-13 19:32:47 C 05 55 30.23 +23 10 50.6 V J95
2018-12-13 21:34:07 C 05 54 27.07 +25 09 39.0 V J95
2018-12-13 21:40:49 C 05 54 23.44 +25 16 08.1 V J95
2018-12-13 21:46:51 C 05 54 20.15 +25 21 58.9 V J95
2018-12-13 22:05:47 C 05 54 09.55 +25 40 15.7 V Z80
2018-12-13 22:09:26 C 05 54 07.44 +25 43 47.4 V Z80
2018-12-13 22:13:47 C 05 54 05.01 +25 47 57.9 V Z80
2018-12-13 22:24:28 C 05 53 59.07 +25 58 15.9 V Z80
2018-12-14 07:00:50 C 05 49 39.56 +33 51 58.3 U I41
2018-12-14 07:01:20 C 05 49 39.28 +33 52 25.3 U I41
2018-12-14 07:47:51 C 05 49 09.78 +34 32 35.1 U I41
2018-12-14 07:48:21 C 05 49 09.43 +34 33 01.2 U I41
2018-12-14 08:23:49 C 05 48 41.19 +35 03 10.0 17.4 q H15
2018-12-14 08:29:13 C 05 48 37.80 +35 07 44.0 17.7 q H15
2018-12-14 08:34:38 C 05 48 34.45 +35 12 17.2 17.3 q H15
2018-12-14 08:40:02 C 05 48 30.98 +35 16 50.3 17.6 q H15
2018-12-14 10:05:14 C 05 47 39.27 +36 27 47.3 V I52
2018-12-14 10:05:50 C 05 47 38.89 +36 28 16.5 V I52
2018-12-14 10:06:25 C 05 47 38.53 +36 28 45.3 V I52
2018-12-14 10:07:01 C 05 47 38.17 +36 29 15.2 V I52
2018-12-14 11:49:58 C 05 46 51.03 +37 55 25.3 V T08
2018-12-14 12:08:45 C 05 46 38.54 +38 10 26.3 V T08
2018-12-14 12:18:31 C 05 46 32.07 +38 18 13.0 V T08
2018-12-14 12:46:24 C 05 46 48.37 +38 38 24.2 r P93
2018-12-14 12:53:03 C 05 46 44.14 +38 43 46.0 r P93
2018-12-14 12:54:24 C 05 46 43.36 +38 44 50.1 r P93
2018-12-14 20:01:07 C 05 42 53.09 +44 03 31.4 q C77
2018-12-14 20:04:33 C 05 42 50.93 +44 05 59.9 q C77