IAA RAS IAA Minor Planet Database

2018 TJ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6973583414
Semi-major axis (a)2.4657441901 AU
Inclination (i)1.16971412°
Long. of Asc. Node (Ω)283.25174952° ± 5.00e+00
Arg. of Perihelion (ω)18.29587392° ± 6.00e+00
Mean Anomaly (M)313.74449136°
Mean Motion (n)0.2545933700°/day
Perihelion dist (q)0.74624090 AU
Aphelion dist (Q)4.18475510 AU
Orbital Period3.87130140 yr
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.340″
Uncertainty—
Orbit TypeApollo
MOID0.015925 AU
Observations Used17
Oppositions1
Arc Total2018-2018
First Observation Used—
Last Observation Used2018-10-10
Observations (17)
Date Type RA Dec Mag Band Observatory
2018-10-07 05:30:46 C 00 25 04.47 +29 27 34.1 – V G96
2018-10-07 05:40:37 C 00 25 08.75 +29 26 00.2 – V G96
2018-10-07 05:48:08 C 00 25 11.97 +29 24 48.4 – V G96
2018-10-07 05:55:37 C 00 25 15.22 +29 23 36.7 – V G96
2018-10-07 06:28:01 C 00 25 29.06 +29 18 27.5 – V I52
2018-10-07 06:29:25 C 00 25 29.62 +29 18 13.9 – V I52
2018-10-07 06:32:12 C 00 25 30.82 +29 17 48.2 – V I52
2018-10-10 04:28:11 C 00 45 35.37 +21 59 05.1 – V I52
2018-10-10 04:32:58 C 00 45 36.00 +21 58 46.1 – V I52
2018-10-10 04:53:34 C 00 45 39.13 +21 57 23.8 – V I52
2018-10-10 04:56:34 C 00 45 39.56 +21 57 12.0 – V I52
2018-10-10 04:59:33 C 00 45 40.01 +21 56 59.6 – V I52
2018-10-10 19:53:36 C 00 48 01.75 +21 00 03.4 – o K88
2018-10-10 20:11:36 C 00 48 04.08 +20 59 00.5 – o K88
2018-10-10 21:39:01 C 00 48 15.59 +20 54 01.7 – V L01
2018-10-10 21:41:15 C 00 48 15.83 +20 53 55.0 – V L01
2018-10-10 21:47:58 C 00 48 16.67 +20 53 31.6 – V L01