2018 NJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1818532867 ± 2.52e-07
Semi-major axis (a)0.9560502427 AU ± 5.33e-08
Inclination (i)22.92977025° ± 2.16e-05
Long. of Asc. Node (Ω)133.23846338° ± 1.01e-05
Arg. of Perihelion (ω)331.76596035° ± 5.01e-05
Mean Anomaly (M)133.19345100° ± 2.62e-04
Mean Motion (n)1.0543655369°/day ± 8.81e-08
Perihelion dist (q)0.78218936 AU ± 2.45e-07
Aphelion dist (Q)1.12991112 AU ± 2.49e-07
Orbital Period0.93480510 yr ± 7.81e-08
Physical Parameters
H (abs. magnitude)21.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.243″
Uncertainty0
Orbit TypeAten
MOID0.081836 AU
Observations Used68
Oppositions1
Arc Total2018-2019
First Observation Used2018-06-11
Last Observation Used2019-08-04
Observations (69)
Date Type RA Dec Mag Band Observatory
2019-06-27 09:32:03 C 22 57 01.05 +24 06 14.7 V V06
2019-06-27 09:37:46 C 22 57 01.62 +24 06 11.7 V V06
2019-06-27 09:43:29 C 22 57 02.17 +24 06 09.5 V V06
2019-06-28 10:39:55 C 22 59 39.97 +23 53 53.5 V V06
2019-06-28 10:45:38 C 22 59 40.55 +23 53 50.5 V V06
2019-06-28 10:49:31 C 22 59 40.93 +23 53 49.1 o 291
2019-06-28 10:51:20 C 22 59 41.11 +23 53 47.7 V V06
2019-06-28 10:57:03 C 22 59 41.70 +23 53 45.1 V V06
2019-06-28 10:57:24 C 22 59 41.74 +23 53 45.3 o 291
2019-06-28 11:05:15 C 22 59 42.50 +23 53 41.0 o 291
2019-06-28 14:41:01 C 23 00 05.250 +23 51 54.88 V T12
2019-06-28 14:43:34 C 23 00 05.513 +23 51 53.48 V T12
2019-07-09 09:41:09 C 23 30 08.58 +20 27 45.4 V G96
2019-07-09 09:48:35 C 23 30 09.50 +20 27 36.3 V G96
2019-07-09 09:56:02 C 23 30 10.41 +20 27 27.8 V G96
2019-08-04 14:04:31 C 01 26 25.715 -08 50 46.11 U F51
2019-08-04 14:16:35 C 01 26 28.819 -08 51 47.99 U F51
2019-08-04 14:28:39 C 01 26 31.929 -08 52 49.92 U F51
2019-08-04 14:40:43 C 01 26 35.052 -08 53 52.16 U F51