2020 OA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4604158165 ± 4.74e-06
Semi-major axis (a)2.0334530121 AU ± 1.89e-05
Inclination (i)7.74438013° ± 5.53e-05
Long. of Asc. Node (Ω)338.36189483° ± 3.71e-05
Arg. of Perihelion (ω)339.85206108° ± 2.99e-05
Mean Anomaly (M)296.79603313° ± 9.22e-03
Mean Motion (n)0.3399077479°/day ± 4.74e-06
Perihelion dist (q)1.09721908 AU ± 1.40e-05
Aphelion dist (Q)2.96968694 AU ± 2.92e-05
Orbital Period2.89968761 yr ± 4.04e-05
Physical Parameters
H (abs. magnitude)22.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.212″
Uncertainty1
Orbit TypeAmor
MOID0.091685 AU
Observations Used85
Oppositions1
Arc Total2020-2020
First Observation Used2020-07-23
Last Observation Used2020-10-17
Observations (86)
Date Type RA Dec Mag Band Observatory
2020-07-23 12:49:24 C 23 58 16.546 -40 42 41.49 U F51
2020-07-23 13:13:16 C 23 58 20.817 -40 41 25.50 U F51
2020-07-23 13:25:10 C 23 58 22.936 -40 40 47.53 U F51
2020-07-24 04:46:47 C 00 01 23.986 -39 50 34.22 V J04
2020-07-24 04:47:29 C 00 01 24.152 -39 50 32.13 V J04
2020-07-24 04:48:09 C 00 01 24.208 -39 50 30.62 V J04
2020-07-24 14:26:53 C 00 03 15.667 -39 18 17.53 V 568
2020-07-24 14:28:15 C 00 03 15.896 -39 18 13.02 V 568
2020-07-24 14:29:37 C 00 03 16.132 -39 18 08.32 V 568
2020-07-24 14:30:59 C 00 03 16.363 -39 18 03.74 V 568
2020-07-24 15:11:51 C 00 03 25.45 -39 14 52.2 q E94
2020-07-24 15:33:08 C 00 03 29.21 -39 13 40.4 q E94
2020-07-24 15:55:22 C 00 03 33.03 -39 12 25.6 q E94
2020-07-24 16:44:42 C 00 03 42.10 -39 09 35.3 V 474
2020-07-24 16:46:25 C 00 03 42.41 -39 09 29.2 V 474
2020-07-24 16:49:52 C 00 03 42.99 -39 09 17.6 V 474
2020-07-25 14:01:31 C 00 07 42.395 -37 58 00.41 U F51
2020-07-25 14:08:55 C 00 07 43.599 -37 57 34.98 U F51
2020-08-01 10:50:57 C 00 33 56.32 -27 40 58.5 V I52
2020-08-01 10:53:24 C 00 33 56.58 -27 40 48.8 V I52
2020-08-01 10:55:51 C 00 33 56.88 -27 40 39.4 V I52
2020-08-01 10:58:18 C 00 33 57.16 -27 40 29.6 V I52
2020-08-13 01:54:50 C 01 01 41.54 -09 06 09.1 V 033
2020-08-13 01:56:05 C 01 01 41.63 -09 06 04.4 V 033
2020-08-13 01:58:13 C 01 01 41.75 -09 05 56.4 V 033
2020-08-13 01:59:28 C 01 01 41.81 -09 05 51.6 V 033
2020-08-13 10:02:41 C 01 02 14.01 -08 34 56.9 V I52
2020-08-13 10:36:27 C 01 02 15.72 -08 32 48.3 V I52
2020-08-13 10:41:05 C 01 02 15.94 -08 32 30.7 V I52
2020-08-13 11:01:44 C 01 02 16.97 -08 31 12.8 V I52
2020-08-18 09:38:05 C 01 08 36.07 -01 21 43.7 V G96
2020-08-18 09:48:44 C 01 08 36.38 -01 21 07.3 V G96
2020-08-18 09:59:35 C 01 08 36.65 -01 20 30.0 V G96
2020-08-18 10:10:19 C 01 08 36.93 -01 19 53.4 V G96
2020-08-18 18:42:40 C 01 08 57.95 -00 50 47.5 q D29
2020-08-18 19:03:01 C 01 08 58.46 -00 49 38.0 q D29
2020-08-18 19:23:23 C 01 08 58.97 -00 48 29.0 q D29
2020-08-26 07:36:38 C 01 13 26.74 +08 21 00.4 q 734
2020-08-26 07:42:16 C 01 13 26.73 +08 21 15.8 q 734
2020-08-26 07:47:21 C 01 13 26.74 +08 21 29.4 q 734
2020-08-26 07:52:06 C 01 13 26.73 +08 21 42.1 q 734
2020-08-26 07:56:48 C 01 13 26.72 +08 21 54.6 q 734
2020-08-26 11:16:11 C 01 13 26.91 +08 30 57.4 V I52
2020-08-26 11:16:48 C 01 13 26.92 +08 30 58.5 V I52
2020-08-26 11:20:24 C 01 13 26.85 +08 31 08.6 V I52
2020-08-26 11:28:26 C 01 13 26.87 +08 31 30.4 V I52
2020-09-03 11:10:17 C 01 12 59.968 +15 55 35.34 U F51
2020-09-03 11:23:56 C 01 12 59.601 +15 56 02.49 U F51
2020-09-03 11:37:37 C 01 12 59.236 +15 56 29.61 U F51
2020-09-10 14:35:00 C 01 09 02.569 +20 40 47.04 U F51