2019 AT9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5243869416 ± 2.06e-04
Semi-major axis (a)2.0290147311 AU ± 8.66e-04
Inclination (i)6.31970828° ± 2.07e-03
Long. of Asc. Node (Ω)297.91663223° ± 1.14e-03
Arg. of Perihelion (ω)240.14781346° ± 8.69e-04
Mean Anomaly (M)115.01997660° ± 5.32e-01
Mean Motion (n)0.3410236324°/day ± 2.18e-04
Perihelion dist (q)0.96502590 AU ± 5.87e-04
Aphelion dist (Q)3.09300356 AU ± 1.38e-03
Orbital Period2.89019936 yr ± 1.85e-03
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.240″
Uncertainty3
Orbit TypeApollo
MOID0.060048 AU
Observations Used36
Oppositions1
Arc Total2019-2019
First Observation Used2019-01-09
Last Observation Used2019-02-08
Observations (36)
Date Type RA Dec Mag Band Observatory
2019-01-09 09:45:51 C 08 28 54.821 +22 55 51.53 U F51
2019-01-09 10:04:02 C 08 28 55.331 +22 55 33.14 U F51
2019-01-09 10:22:26 C 08 28 55.870 +22 55 14.67 U F51
2019-01-10 06:24:58 C 08 29 41.75 +22 33 36.6 u H21
2019-01-10 06:34:38 C 08 29 42.02 +22 33 26.2 u H21
2019-01-10 07:10:03 C 08 29 43.07 +22 32 47.4 u H21
2019-01-10 09:23:36 C 08 29 49.723 +22 30 30.40 V 568
2019-01-10 09:24:58 C 08 29 49.765 +22 30 28.92 V 568
2019-01-10 09:26:20 C 08 29 49.807 +22 30 27.42 V 568
2019-01-12 08:28:52 C 08 31 40.68 +21 34 34.7 o 291
2019-01-12 08:34:16 C 08 31 40.89 +21 34 27.8 o 291
2019-01-12 08:39:39 C 08 31 41.02 +21 34 21.0 o 291
2019-01-13 12:58:45 C 08 32 50.313 +20 57 03.68 U F51
2019-01-13 13:15:21 C 08 32 50.811 +20 56 40.42 U F51
2019-01-13 13:31:57 C 08 32 51.331 +20 56 17.11 U F51
2019-01-13 13:48:30 C 08 32 51.859 +20 55 53.57 U F51
2019-01-14 12:42:31 C 08 33 51.353 +20 23 14.93 U F51
2019-01-14 12:59:30 C 08 33 51.878 +20 22 49.74 U F51
2019-01-14 13:16:34 C 08 33 52.418 +20 22 24.02 U F51
2019-01-27 05:17:01 C 08 52 38.14 +07 38 32.7 V I52
2019-01-27 05:17:38 C 08 52 38.18 +07 38 29.1 V I52
2019-01-27 05:18:49 C 08 52 38.32 +07 38 25.4 V I52
2019-01-27 07:18:12 C 08 52 47.20 +07 30 18.3 V G96
2019-01-27 07:25:30 C 08 52 47.73 +07 29 47.9 V G96
2019-01-27 07:32:48 C 08 52 48.31 +07 29 17.8 V G96
2019-01-27 07:40:05 C 08 52 48.80 +07 28 48.2 V G96
2019-02-02 11:55:27 C 09 10 55.63 -06 10 02.8 V 474
2019-02-02 11:59:03 C 09 10 56.12 -06 10 31.3 V 474
2019-02-02 12:02:39 C 09 10 56.66 -06 10 54.7 V 474
2019-02-07 13:51:24 C 09 37 44.92 -24 30 19.7 V 474
2019-02-07 13:53:40 C 09 37 45.53 -24 30 44.5 V 474
2019-02-07 13:55:55 C 09 37 46.16 -24 31 08.4 V 474
2019-02-08 07:15:23 C 09 43 13.28 -27 43 30.8 V I52
2019-02-08 07:25:05 C 09 43 16.11 -27 45 20.2 V I52
2019-02-08 07:25:52 C 09 43 16.35 -27 45 29.0 V I52
2019-02-08 07:28:46 C 09 43 17.19 -27 46 01.2 V I52