2019 ER1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1303517938 ± 7.76e-08
Semi-major axis (a)1.2080226310 AU ± 7.32e-09
Inclination (i)8.29353594° ± 6.34e-06
Long. of Asc. Node (Ω)344.86790823° ± 6.02e-06
Arg. of Perihelion (ω)227.59672133° ± 5.89e-05
Mean Anomaly (M)338.45866681° ± 4.57e-05
Mean Motion (n)0.7423345440°/day ± 6.75e-09
Perihelion dist (q)1.05055471 AU ± 9.40e-08
Aphelion dist (Q)1.36549055 AU ± 9.41e-08
Orbital Period1.32773867 yr ± 1.21e-08
NGA Modelr2
A2-1.85246634e-13 ± 3.55e-14 AU/d²
Physical Parameters
H (abs. magnitude)23.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.236″
Uncertainty0
Orbit TypeAmor
MOID0.083329 AU
Observations Used91
Oppositions2
Arc Total2014-2023
First Observation Used2014-12-29
Last Observation Used2023-03-16
Observations (110)
Date Type RA Dec Mag Band Observatory
2019-04-04 04:16:52 C 08 02 57.81 +00 49 24.1 o 291
2019-04-04 04:23:13 C 08 02 58.03 +00 49 10.2 o 291
2019-04-04 04:29:35 C 08 02 58.20 +00 48 58.2 o 291
2019-04-04 06:06:45 C 08 03 02.902 +00 45 51.99 V F51
2019-04-26 03:12:28 C 08 34 21.89 -15 18 12.7 o 291
2019-04-26 03:26:36 C 08 34 22.86 -15 18 35.4 o 291
2019-04-26 03:40:52 C 08 34 23.77 -15 18 59.7 o 291
2023-02-18 23:42:44 C 11 40 52.71 +19 04 19.1 c J04
2023-02-19 00:33:12 C 11 40 49.53 +19 03 04.3 c J04
2023-02-26 22:53:32 C 11 27 39.744 +13 01 15.82 V A17
2023-02-26 23:21:50 C 11 27 36.886 +13 00 10.51 V A17
2023-02-26 23:50:09 C 11 27 33.967 +12 59 05.17 V A17
2023-02-27 17:37:40 C 11 25 56.99 +12 17 25.2 V D29
2023-02-27 18:03:08 C 11 25 54.17 +12 16 23.5 V D29
2023-02-27 18:28:35 C 11 25 51.38 +12 15 21.7 V D29
2023-02-28 22:47:11 C 11 23 13.644 +11 06 40.68 V M22
2023-02-28 22:49:47 C 11 23 13.332 +11 06 33.41 V M22
2023-02-28 22:55:42 C 11 23 12.636 +11 06 19.44 V M22
2023-02-28 23:10:00 C 11 23 10.987 +11 05 42.68 V M22
2023-03-01 06:48:46 C 11 22 27.404 +10 44 40.16 V G96
2023-03-01 06:56:45 C 11 22 26.468 +10 44 19.68 V G96
2023-03-01 07:04:44 C 11 22 25.525 +10 43 59.09 V G96
2023-03-01 07:04:51 C 11 22 25.529 +10 43 59.66 V 703
2023-03-01 07:12:29 C 11 22 24.668 +10 43 38.93 V 703
2023-03-01 07:12:44 C 11 22 24.589 +10 43 38.57 V G96
2023-03-01 07:20:13 C 11 22 23.707 +10 43 19.20 V 703
2023-03-01 07:27:54 C 11 22 22.728 +10 42 59.47 V 703
2023-03-01 08:27:03 C 11 22 15.84 +10 40 27.1 V 691
2023-03-01 08:32:18 C 11 22 15.19 +10 40 13.6 V 691
2023-03-01 08:37:33 C 11 22 14.58 +10 39 59.6 V 691
2023-03-11 21:19:26 B 10 51 49.731 -02 50 18.15 X B72
2023-03-11 21:24:21 B 10 51 48.946 -02 50 36.68 X B72
2023-03-11 21:28:55 B 10 51 48.274 -02 50 54.38 X B72
2023-03-12 22:37:08 C 10 48 14.49 -04 25 54.2 V 130
2023-03-12 22:45:47 C 10 48 13.09 -04 26 26.7 V 130
2023-03-13 08:13:43 C 10 46 50.09 -05 02 26.2 V 691
2023-03-13 08:16:04 C 10 46 49.570 -05 02 35.70 V 703
2023-03-13 08:19:52 C 10 46 49.06 -05 02 49.6 V 691
2023-03-13 08:23:47 C 10 46 48.349 -05 03 05.15 V 703
2023-03-13 08:26:00 C 10 46 48.06 -05 03 13.2 V 691
2023-03-13 08:31:30 C 10 46 47.082 -05 03 34.74 V 703
2023-03-13 08:39:13 C 10 46 45.826 -05 04 02.82 V 703
2023-03-13 22:08:41 C 10 44 51.674 -05 54 26.28 V M22
2023-03-13 22:13:14 C 10 44 50.923 -05 54 44.21 V M22
2023-03-13 22:15:11 C 10 44 50.532 -05 54 51.48 V M22
2023-03-13 22:19:45 C 10 44 49.822 -05 55 09.08 V M22
2023-03-13 22:21:41 C 10 44 49.466 -05 55 17.00 V M22
2023-03-13 22:27:34 C 10 44 48.487 -05 55 39.90 V M22
2023-03-13 22:38:39 C 10 44 46.663 -05 56 21.77 V M22
2023-03-13 22:42:33 C 10 44 45.960 -05 56 37.86 V M22