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
2020-09-10 14:53:35 C 01 09 01.809 +20 41 12.16 U F51
2020-09-10 15:02:53 C 01 09 01.426 +20 41 24.44 U F51
2020-09-12 02:38:51 C 01 07 54.46 +21 28 20.0 V 204
2020-09-12 03:14:01 C 01 07 52.97 +21 29 03.8 V 204
2020-09-16 14:05:52 C 01 03 57.844 +23 28 15.36 U F52
2020-09-16 14:21:27 C 01 03 57.069 +23 28 29.76 U F52
2020-09-16 14:52:41 C 01 03 55.569 +23 28 58.28 U F52
2020-09-17 09:51:54 C 01 03 13.450 +23 46 45.14 U F51
2020-09-17 10:12:26 C 01 03 12.399 +23 47 04.44 U F51
2020-09-17 10:32:57 C 01 03 11.332 +23 47 23.53 U F51
2020-09-17 10:53:28 C 01 03 10.262 +23 47 42.52 U F51
2020-09-20 13:45:23 C 01 00 01.910 +24 48 15.48 U F51
2020-09-20 14:03:01 C 01 00 01.000 +24 48 27.42 U F51
2020-09-21 12:44:40 C 00 59 03.817 +25 04 07.15 U F51
2020-09-21 13:01:16 C 00 59 02.931 +25 04 17.86 U F51
2020-09-21 13:17:45 C 00 59 02.058 +25 04 28.30 U F51
2020-09-21 13:34:12 C 00 59 01.197 +25 04 38.42 U F51
2020-09-27 04:42:28 C 00 53 17.82 +26 13 45.0 V G96
2020-09-27 04:49:58 C 00 53 17.47 +26 13 48.4 V G96
2020-09-27 04:57:29 C 00 53 17.08 +26 13 52.1 V G96
2020-09-27 05:04:59 C 00 53 16.71 +26 13 54.9 V G96
2020-10-06 08:57:19 C 00 44 44.97 +26 56 14.9 V G96
2020-10-06 09:04:42 C 00 44 44.65 +26 56 14.0 V G96
2020-10-06 09:12:05 C 00 44 44.32 +26 56 13.9 V G96
2020-10-06 09:19:29 C 00 44 44.10 +26 56 14.1 V G96
2020-10-09 08:11:10 C 00 42 29.908 +26 55 47.44 U F51
2020-10-09 08:22:52 C 00 42 29.454 +26 55 47.18 U F51
2020-10-09 08:34:19 C 00 42 29.026 +26 55 46.89 U F51
2020-10-09 08:45:53 C 00 42 28.584 +26 55 46.42 U F51
2020-10-15 07:37:43 C 00 38 51.529 +26 39 42.35 U F52
2020-10-15 07:52:36 C 00 38 51.119 +26 39 40.26 U F52
2020-10-15 08:07:34 C 00 38 50.718 +26 39 37.87 U F52
2020-10-15 08:22:37 C 00 38 50.312 +26 39 35.58 U F52
2020-10-17 02:33:31 C 00 38 02.76 +26 31 47.0 u H21
2020-10-17 02:54:05 C 00 38 02.30 +26 31 43.0 u H21
2020-10-17 02:58:16 C 00 38 02.20 +26 31 42.4 u H21