2019 AT4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4112153719 ± 5.33e-06
Semi-major axis (a)2.1598737145 AU ± 2.85e-05
Inclination (i)9.35363469° ± 1.76e-04
Long. of Asc. Node (Ω)72.40687359° ± 3.70e-04
Arg. of Perihelion (ω)85.76034571° ± 7.30e-04
Mean Anomaly (M)38.83059066° ± 1.51e-02
Mean Motion (n)0.3105058147°/day ± 6.15e-06
Perihelion dist (q)1.27170044 AU ± 2.04e-05
Aphelion dist (Q)3.04804699 AU ± 4.18e-05
Orbital Period3.17426031 yr ± 6.29e-05
Physical Parameters
H (abs. magnitude)22.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.183″
Uncertainty2
Orbit TypeAmor
MOID0.335321 AU
Observations Used37
Oppositions1
Arc Total2018-2019
First Observation Used2018-12-17
Last Observation Used2019-02-27
Observations (38)
Date Type RA Dec Mag Band Observatory
2018-12-17 13:47:18 C 07 46 03.309 +31 01 14.97 V F51
2018-12-17 14:05:00 C 07 46 03.516 +31 01 28.89 V F51
2018-12-17 14:22:46 C 07 46 03.754 +31 01 42.84 V F51
2018-12-17 14:40:28 C 07 46 03.965 +31 01 56.47 V F51
2019-01-04 11:28:16 C 07 47 21.773 +37 39 54.21 U F51
2019-01-04 11:44:21 C 07 47 21.505 +37 40 10.65 U F51
2019-01-04 12:00:21 C 07 47 21.215 +37 40 26.69 U F51
2019-01-04 12:16:26 C 07 47 20.946 +37 40 42.87 U F51
2019-01-05 12:24:10 C 07 47 04.299 +38 05 22.16 V 568
2019-01-05 12:29:29 C 07 47 04.207 +38 05 27.64 V 568
2019-01-06 04:32:58 C 07 46 53.22 +38 21 47.3 u H21
2019-01-06 04:52:13 C 07 46 52.94 +38 22 07.0 u H21
2019-01-06 05:16:22 C 07 46 52.45 +38 22 32.4 u H21
2019-01-09 03:38:08 C 07 45 50.49 +39 34 38.3 u H21
2019-01-09 03:55:34 C 07 45 50.14 +39 34 56.9 u H21
2019-01-09 04:12:43 C 07 45 49.73 +39 35 15.0 u H21
2019-01-12 07:55:48 C 07 44 28.520 +40 52 19.55 U F51
2019-01-12 08:17:52 C 07 44 27.972 +40 52 42.76 U F51
2019-01-12 08:40:05 C 07 44 27.395 +40 53 05.78 U F51
2019-01-12 09:02:32 C 07 44 26.821 +40 53 28.95 U F51
2019-01-13 08:29:17 C 07 43 59.325 +41 17 00.20 U F51
2019-01-13 08:40:41 C 07 43 59.016 +41 17 11.89 U F51
2019-01-13 08:52:09 C 07 43 58.723 +41 17 23.47 U F51
2019-01-14 09:47:26 C 07 43 27.876 +41 42 12.37 U F51
2019-01-14 09:58:18 C 07 43 27.595 +41 42 23.23 U F51
2019-01-14 10:08:55 C 07 43 27.313 +41 42 33.80 U F51
2019-02-01 05:40:37 C 07 35 36.43 +47 37 33.0 o 711
2019-02-01 05:47:54 C 07 35 36.32 +47 37 37.2 o 711
2019-02-01 05:55:11 C 07 35 36.23 +47 37 41.8 o 711
2019-02-09 02:37:00 C 07 35 47.11 +49 11 24.5 u H21
2019-02-09 02:50:41 C 07 35 47.17 +49 11 29.9 u H21
2019-02-09 03:10:46 C 07 35 47.28 +49 11 38.2 u H21
2019-02-10 02:16:15 C 07 36 05.83 +49 19 58.1 u H21
2019-02-10 02:33:42 C 07 36 06.07 +49 20 04.7 u H21
2019-02-10 02:52:32 C 07 36 06.16 +49 20 11.6 u H21
2019-02-27 01:11:46 C 07 53 26.49 +49 57 17.1 u H21
2019-02-27 01:27:16 C 07 53 27.51 +49 57 15.4 u H21
2019-02-27 01:42:45 C 07 53 28.47 +49 57 12.9 u H21