2019 AR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5346080173 ± 3.28e-08
Semi-major axis (a)2.1505441980 AU ± 7.08e-08
Inclination (i)4.51797073° ± 6.21e-06
Long. of Asc. Node (Ω)117.12385170° ± 4.80e-05
Arg. of Perihelion (ω)73.20126974° ± 5.08e-05
Mean Anomaly (M)44.03480741° ± 4.06e-05
Mean Motion (n)0.3125285646°/day ± 1.54e-08
Perihelion dist (q)1.00084603 AU ± 7.78e-08
Aphelion dist (Q)3.30024237 AU ± 1.29e-07
Orbital Period3.15371584 yr ± 1.56e-07
Physical Parameters
H (abs. magnitude)21.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.328″
Uncertainty0
Orbit TypeApollo
MOID0.069462 AU
Observations Used73
Oppositions2
Arc Total2019-2022
First Observation Used2019-01-03
Last Observation Used2022-01-04
Observations (84)
Date Type RA Dec Mag Band Observatory
2019-04-05 15:25:59 C 19 22 52.194 -08 34 41.20 V T12
2019-04-05 15:27:41 C 19 22 52.374 -08 34 41.42 V T12
2019-04-28 08:38:49 C 20 06 20.88 -09 30 14.3 u 807
2019-04-28 08:53:08 C 20 06 21.58 -09 30 16.1 u 807
2019-04-29 07:52:12 C 20 07 31.80 -09 33 07.6 u 807
2019-04-29 08:05:13 C 20 07 32.38 -09 33 09.5 u 807
2019-04-29 08:18:15 C 20 07 32.94 -09 33 11.7 u 807
2019-05-01 10:45:32 C 20 09 55.03 -09 40 14.7 o 691
2019-05-01 11:03:02 C 20 09 55.71 -09 40 16.6 o 691
2019-05-01 11:20:33 C 20 09 56.45 -09 40 19.7 o 691
2019-05-30 09:56:26 C 20 14 58.86 -12 39 32.6 V V06
2019-05-30 09:59:51 C 20 14 58.73 -12 39 33.9 V V06
2019-05-30 10:03:17 C 20 14 58.68 -12 39 34.7 V V06
2019-05-30 10:06:42 C 20 14 58.50 -12 39 36.3 V V06
2019-05-30 13:31:44 C 20 14 52.156 -12 40 55.50 U F51
2019-05-30 13:50:31 C 20 14 51.468 -12 41 03.09 U F51
2019-06-23 06:38:31 C 19 43 40.69 -17 11 52.6 u 807
2019-06-23 06:51:29 C 19 43 39.69 -17 11 59.1 u 807
2019-06-23 07:04:28 C 19 43 38.73 -17 12 05.4 u 807
2019-06-28 08:42:38 C 19 34 56.68 -18 12 10.0 V V06
2019-06-28 08:44:46 C 19 34 56.52 -18 12 10.8 V V06
2019-06-28 08:46:55 C 19 34 56.34 -18 12 12.0 V V06
2019-06-28 08:49:04 C 19 34 56.21 -18 12 13.0 V V06
2021-12-12 07:22:02 C 05 22 06.78 +17 25 49.4 V V06
2021-12-12 07:31:11 C 05 22 06.40 +17 25 49.5 V V06
2021-12-12 07:40:20 C 05 22 05.50 +17 25 49.6 V V06
2021-12-12 07:49:29 C 05 22 04.83 +17 25 49.4 V V06
2021-12-13 06:07:33 C 05 20 32.67 +17 25 39.1 V V06
2021-12-13 06:16:42 C 05 20 32.00 +17 25 39.1 V V06
2021-12-13 06:25:50 C 05 20 31.33 +17 25 39.0 V V06
2021-12-13 06:34:59 C 05 20 30.69 +17 25 38.7 V V06
2022-01-04 06:50:17 C 04 42 00.86 +17 36 35.3 o 291
2022-01-04 07:11:52 C 04 41 59.34 +17 36 36.4 o 291
2022-01-04 07:33:33 C 04 41 57.84 +17 36 37.5 o 291