2018 AL13

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4203710382 ± 6.32e-08
Semi-major axis (a)1.7356061026 AU ± 1.92e-07
Inclination (i)5.31089303° ± 9.47e-06
Long. of Asc. Node (Ω)110.69854285° ± 7.32e-05
Arg. of Perihelion (ω)103.74956890° ± 7.85e-05
Mean Anomaly (M)121.47264281° ± 2.07e-04
Mean Motion (n)0.4310578153°/day ± 7.15e-08
Perihelion dist (q)1.00600756 AU ± 1.56e-07
Aphelion dist (Q)2.46520464 AU ± 2.94e-07
Orbital Period2.28652920 yr ± 3.80e-07
Physical Parameters
H (abs. magnitude)20.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.326″
Uncertainty0
Orbit TypeApollo
MOID0.076565 AU
Observations Used69
Oppositions1
Arc Total2018-2019
First Observation Used2018-01-14
Last Observation Used2019-12-19
Observations (71)
Date Type RA Dec Mag Band Observatory
2018-06-11 10:10:15 C 22 26 18.30 -07 49 44.3 o 691
2018-06-11 10:18:01 C 22 26 18.56 -07 49 46.4 o 691
2018-06-11 10:25:45 C 22 26 18.78 -07 49 48.2 o 691
2018-07-07 10:04:41 C 22 28 44.13 -12 18 16.7 U I52
2018-07-07 10:26:18 C 22 28 43.42 -12 18 30.5 U I52
2018-07-07 10:42:46 C 22 28 42.85 -12 18 40.7 U I52
2018-07-07 10:58:15 C 22 28 42.34 -12 18 49.9 U I52
2018-07-11 12:32:00 C 22 25 25.762 -13 20 18.76 U F51
2018-07-11 13:04:24 C 22 25 24.363 -13 20 39.88 U F51
2018-07-11 13:20:32 C 22 25 23.648 -13 20 50.49 U F51
2018-08-07 09:53:26 C 21 46 28.340 -20 24 21.17 U F51
2018-08-07 10:22:08 C 21 46 26.217 -20 24 36.94 U F51
2018-08-07 10:36:28 C 21 46 25.160 -20 24 44.89 U F51
2018-08-14 10:36:13 C 21 35 08.690 -21 47 02.34 U F51
2018-08-14 10:51:04 C 21 35 07.679 -21 47 08.54 U F51
2018-08-14 11:05:54 C 21 35 06.685 -21 47 15.15 U F51
2019-11-27 08:53:43 C 05 28 19.568 +17 24 55.80 V T12
2019-11-28 08:14:21 C 05 26 59.737 +17 24 22.41 V T12
2019-12-19 07:14:17 C 04 53 04.769 +17 18 33.60 V F51
2019-12-19 07:32:15 C 04 53 03.474 +17 18 33.94 V F51
2019-12-19 08:08:18 C 04 53 00.883 +17 18 34.47 V F51