2018 XX4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4702854000
Semi-major axis (a)1.8659806000 AU
Inclination (i)1.05803000°
Long. of Asc. Node (Ω)89.10143000°
Arg. of Perihelion (ω)312.90532000°
Mean Anomaly (M)273.00606000°
Mean Motion (n)0.3866726000°/day
Perihelion dist (q)0.98843720 AU
Aphelion dist (Q)2.74352400 AU
Orbital Period2.54894630 yr
Physical Parameters
H (abs. magnitude)25.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.430″
Uncertainty5
Orbit TypeApollo
MOID0.011369 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-16
Observations (26)
Date Type RA Dec Mag Band Observatory
2018-12-12 11:48:59 C 04 23 24.607 +18 58 58.05 V F51
2018-12-12 11:50:49 C 04 23 25.318 +18 59 01.63 V F51
2018-12-13 07:07:24 C 04 30 54.27 +19 34 28.7 V G96
2018-12-13 07:24:22 C 04 31 00.17 +19 34 59.7 V G96
2018-12-13 07:32:24 C 04 31 02.98 +19 35 13.0 V G96
2018-12-13 07:40:27 C 04 31 05.70 +19 35 26.7 V G96
2018-12-13 09:26:53 C 04 31 42.34 +19 38 24.4 V I52
2018-12-13 09:29:54 C 04 31 43.40 +19 38 28.7 V I52
2018-12-13 09:32:54 C 04 31 44.38 +19 38 33.9 V I52
2018-12-13 09:35:53 C 04 31 45.50 +19 38 38.3 V I52
2018-12-13 10:23:00 C 04 32 01.95 +19 39 54.9 V I52
2018-12-13 10:32:36 C 04 32 05.29 +19 40 08.9 V I52
2018-12-13 10:37:24 C 04 32 07.00 +19 40 17.8 V I52
2018-12-15 05:02:59 C 04 46 37.07 +20 45 14.3 V G96
2018-12-15 05:07:59 C 04 46 38.51 +20 45 21.1 V G96
2018-12-15 05:12:59 C 04 46 39.94 +20 45 28.2 V G96
2018-12-15 05:15:04 C 04 46 40.55 +20 45 31.1 V G96
2018-12-15 10:58:00 C 04 48 21.926 +20 53 26.24 V F51
2018-12-15 11:45:35 C 04 48 35.149 +20 54 24.91 V F51
2018-12-15 21:18:59 C 04 51 31.62 +21 05 53.1 V L01
2018-12-15 21:21:28 C 04 51 32.29 +21 05 55.7 V L01
2018-12-15 21:28:55 C 04 51 34.34 +21 06 06.0 V L01
2018-12-15 21:31:24 C 04 51 35.00 +21 06 08.8 V L01
2018-12-16 04:48:12 C 04 53 43.34 +21 15 14.8 V I52
2018-12-16 05:05:46 C 04 53 47.89 +21 15 37.4 V I52
2018-12-16 05:14:34 C 04 53 50.21 +21 15 46.4 V I52