189552 (2000 RL77)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5356656249 ± 3.78e-08
Semi-major axis (a)2.5567029244 AU ± 1.17e-08
Inclination (i)30.15219633° ± 9.79e-06
Long. of Asc. Node (Ω)194.44735860° ± 4.54e-06
Arg. of Perihelion (ω)235.04787448° ± 1.22e-05
Mean Anomaly (M)42.23989219° ± 1.56e-05
Mean Motion (n)0.2410970374°/day ± 1.65e-09
Perihelion dist (q)1.18716505 AU ± 9.68e-08
Aphelion dist (Q)3.92624079 AU ± 9.83e-08
Orbital Period4.08808957 yr ± 2.80e-08
Physical Parameters
H (abs. magnitude)16.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.424″
Uncertainty0
Orbit TypeAmor
MOID0.330442 AU
Observations Used567
Oppositions20
Arc Total2000-2026
First Observation Used2000-09-06
Last Observation Used2026-04-08
Observations (575)
Date Type RA Dec Mag Band Observatory
2004-08-26 07:19:42 C 00 16 32.98 +31 18 01.3 19.0 c 704
2004-08-26 07:27:21 C 00 16 33.16 +31 17 59.4 o 699
2004-08-26 07:34:42 C 00 16 33.27 +31 17 57.8 19.3 c 704
2004-08-26 07:49:41 C 00 16 33.61 +31 17 54.3 19.1 c 704
2004-08-26 07:55:34 C 00 16 33.69 +31 17 52.6 o 699
2004-08-26 08:05:00 C 00 16 33.83 +31 17 50.3 18.9 c 704
2004-08-26 08:23:49 C 00 16 34.20 +31 17 45.7 o 699
2004-09-04 19:14:56 C 00 20 27.45 +29 45 12.8 o 151
2004-09-04 19:19:34 C 00 20 27.49 +29 45 10.9 o 151
2004-09-04 19:20:50 C 00 20 27.52 +29 45 10.1 o 151
2004-09-05 08:08:20 C 00 20 36.76 +29 37 29.0 r H41
2004-09-05 08:12:48 C 00 20 36.80 +29 37 25.8 r H41
2004-09-05 08:15:17 C 00 20 36.85 +29 37 24.5 r H41
2004-09-05 08:17:38 C 00 20 36.84 +29 37 22.7 r H41
2004-09-05 08:19:57 C 00 20 36.86 +29 37 21.4 r H41
2004-09-06 07:00:54 C 00 20 54.05 +29 22 48.9 18.6 c 704
2004-09-06 07:17:27 C 00 20 54.16 +29 22 38.3 18.6 c 704
2004-09-06 07:33:29 C 00 20 54.29 +29 22 27.3 19.0 c 704
2004-09-06 07:49:28 C 00 20 54.44 +29 22 17.1 18.5 c 704
2004-09-06 08:05:55 C 00 20 54.53 +29 22 07.1 18.8 c 704
2004-09-08 04:41:17 C 00 21 24.77 +28 50 21.0 r H44
2004-09-08 04:42:17 C 00 21 24.80 +28 50 19.9 r H44
2004-09-08 04:43:20 C 00 21 24.82 +28 50 19.4 r H44
2004-09-08 04:47:21 C 00 21 24.82 +28 50 16.7 r H44
2004-09-08 04:49:22 C 00 21 24.85 +28 50 15.0 r H44
2004-09-08 04:51:23 C 00 21 24.89 +28 50 13.3 r H44
2004-09-08 04:53:25 C 00 21 24.87 +28 50 11.3 r H44
2004-09-08 04:55:26 C 00 21 24.88 +28 50 10.2 r H44
2004-09-08 04:57:29 C 00 21 24.91 +28 50 08.5 r H44
2004-09-08 07:06:11 C 00 21 25.88 +28 48 31.6 r H41
2004-09-08 07:08:23 C 00 21 25.87 +28 48 30.7 r H41
2004-09-08 07:10:31 C 00 21 25.88 +28 48 29.0 r H41
2004-09-08 07:12:40 C 00 21 25.87 +28 48 27.4 r H41
2004-09-08 07:14:52 C 00 21 25.85 +28 48 25.4 r H41
2004-09-09 00:18:57 C 00 21 36.06 +28 35 03.1 c 046
2004-09-09 00:21:04 C 00 21 36.07 +28 35 00.6 c 046
2004-09-09 00:21:55 C 00 21 36.02 +28 35 00.0 c 046
2004-09-09 00:23:35 C 00 21 36.12 +28 34 58.5 c 046
2004-09-09 00:25:14 C 00 21 36.10 +28 34 57.0 c 046
2004-09-09 00:26:04 C 00 21 36.12 +28 34 56.5 c 046
2004-09-09 07:37:22 C 00 21 40.21 +28 29 10.2 r H41
2004-09-09 07:39:35 C 00 21 40.24 +28 29 09.3 r H41
2004-09-09 07:41:43 C 00 21 40.25 +28 29 06.7 r H41
2004-09-09 07:44:23 C 00 21 40.31 +28 29 04.4 r H41
2004-09-09 07:46:30 C 00 21 40.28 +28 29 03.3 r H41
2004-09-09 22:24:55 C 00 21 48.69 +28 16 47.4 c 046
2004-09-09 22:25:44 C 00 21 48.70 +28 16 47.9 c 046
2004-09-09 22:26:34 C 00 21 48.68 +28 16 46.9 c 046
2004-09-09 22:27:28 C 00 21 48.71 +28 16 46.4 c 046
2004-09-09 22:28:19 C 00 21 48.67 +28 16 45.8 c 046