2020 RA81

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5679848423 ± 4.75e-07
Semi-major axis (a)2.8757774229 AU ± 3.85e-08
Inclination (i)20.41262567° ± 1.65e-05
Long. of Asc. Node (Ω)171.27694028° ± 1.42e-05
Arg. of Perihelion (ω)274.28506086° ± 1.13e-04
Mean Anomaly (M)352.72191679° ± 1.40e-05
Mean Motion (n)0.2021060766°/day ± 4.06e-09
Perihelion dist (q)1.24237944 AU ± 1.37e-06
Aphelion dist (Q)4.50917541 AU ± 1.37e-06
Orbital Period4.87677709 yr ± 9.80e-08
Physical Parameters
H (abs. magnitude)19.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.153″
Uncertainty0
Orbit TypeAmor
MOID0.459566 AU
Observations Used28
Oppositions8
Arc Total2015-2025
First Observation Used2015-08-19
Last Observation Used2025-10-29
Observations (31)
Date Type RA Dec Mag Band Observatory
2015-08-19 13:30:13 C 22 51 27.99 +02 20 42.5 V 568
2015-08-19 14:03:49 C 22 51 26.90 +02 20 27.4 V 568
2015-08-19 14:37:18 C 22 51 25.83 +02 20 12.3 V 568
2015-09-09 07:36:05 C 22 32 55.631 -02 20 35.85 V F51
2015-09-09 07:53:39 C 22 32 54.877 -02 20 47.46 V F51
2015-09-09 08:11:04 C 22 32 54.119 -02 20 59.10 V F51
2020-09-10 08:40:18 C 23 51 20.199 -01 55 27.08 U F51
2020-09-10 08:57:46 C 23 51 19.660 -01 55 41.87 U F51
2020-09-10 09:15:15 C 23 51 19.120 -01 55 56.50 U F51
2020-09-10 09:32:50 C 23 51 18.579 -01 56 11.35 U F51
2020-09-13 10:15:24 C 23 49 07.330 -02 59 06.41 U F52
2020-09-13 10:32:12 C 23 49 06.749 -02 59 21.04 U F52
2020-09-16 09:28:04 C 23 46 49.170 -04 03 47.33 U F52
2020-09-16 09:42:51 C 23 46 48.647 -04 04 00.92 U F52
2020-09-16 09:57:35 C 23 46 48.123 -04 04 14.57 U F52
2020-09-16 10:12:20 C 23 46 47.591 -04 04 28.34 U F52
2020-09-23 07:29:25 C 23 40 59.79 -06 43 41.3 V G96
2020-09-23 07:37:32 C 23 40 59.48 -06 43 49.2 V G96
2020-09-23 07:45:40 C 23 40 59.17 -06 43 57.9 V G96
2020-10-10 06:08:14 C 23 26 50.87 -13 26 28.1 V G96
2020-10-10 06:15:40 C 23 26 50.60 -13 26 34.9 V G96
2021-03-03 02:28:53 C 03 52 27.64 -01 34 58.7 V V06
2021-03-03 02:40:18 C 03 52 29.38 -01 34 47.6 V V06
2021-03-03 03:03:08 C 03 52 32.80 -01 34 25.1 V V06
2025-09-25 07:54:08 C 02 41 48.050 -05 35 42.60 V 807
2025-09-25 08:08:03 C 02 41 48.770 -05 36 01.30 V 807
2025-09-25 08:21:58 C 02 41 49.350 -05 36 18.90 V 807
2025-10-29 10:22:34 C 03 14 05.452 -27 53 17.08 X F51
2025-10-29 10:38:09 C 03 14 05.836 -27 53 42.81 X F51
2025-10-29 10:53:43 C 03 14 06.219 -27 54 08.49 X F51
2025-10-29 11:09:17 C 03 14 06.597 -27 54 34.28 X F51