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
2004-09-10 04:25:32 C 00 21 52.16 +28 11 41.3 r H44
2004-09-10 04:27:42 C 00 21 52.18 +28 11 39.4 r H44
2004-09-10 04:32:04 C 00 21 52.19 +28 11 35.3 r H44
2004-09-10 04:34:14 C 00 21 52.22 +28 11 33.7 r H44
2004-09-10 08:22:16 C 00 21 53.44 +28 08 16.8 r H41
2004-09-10 08:24:31 C 00 21 53.44 +28 08 14.7 r H41
2004-09-10 08:27:08 C 00 21 53.50 +28 08 12.5 r H41
2004-09-10 08:29:40 C 00 21 53.47 +28 08 10.2 r H41
2004-09-10 08:34:26 C 00 21 53.52 +28 08 05.5 r H41
2004-09-11 01:43:26 C 00 22 03.04 +27 52 42.4 r 928
2004-09-11 01:52:07 C 00 22 03.05 +27 52 35.2 r 928
2004-09-11 01:59:33 C 00 22 03.15 +27 52 28.7 r 928
2004-09-11 04:23:21 C 00 22 04.16 +27 50 19.7 r H44
2004-09-11 04:24:54 C 00 22 04.17 +27 50 18.8 r H44
2004-09-11 04:27:57 C 00 22 04.20 +27 50 15.4 r H44
2004-09-11 04:29:28 C 00 22 04.21 +27 50 13.6 r H44
2004-09-11 06:58:02 C 00 22 04.96 +27 47 59.2 17.1 c 704
2004-09-11 07:14:28 C 00 22 05.16 +27 47 43.9 17.6 c 704
2004-09-11 07:30:53 C 00 22 05.22 +27 47 28.9 17.3 c 704
2004-09-11 07:47:15 C 00 22 05.26 +27 47 13.6 17.7 c 704
2004-09-13 19:55:48 C 00 22 30.76 +26 46 55.6 17.4 c 057
2004-09-13 19:58:45 C 00 22 30.75 +26 46 52.4 17.4 c 057
2004-09-13 20:01:28 C 00 22 30.77 +26 46 49.3 c 057
2004-09-13 20:04:39 C 00 22 30.80 +26 46 45.9 17.6 c 057
2004-09-13 20:06:29 C 00 22 30.78 +26 46 43.9 17.4 c 057
2004-09-13 20:09:11 C 00 22 30.77 +26 46 40.8 17.6 c 057
2004-09-14 06:53:39 C 00 22 34.26 +26 35 00.5 17.9 c 704
2004-09-14 07:10:30 C 00 22 34.29 +26 34 43.0 18.0 c 704
2004-09-14 07:11:53 C 00 22 34.02 +26 34 42.0 r H41
2004-09-14 07:15:03 C 00 22 33.98 +26 34 38.5 r H41
2004-09-14 07:17:19 C 00 22 34.02 +26 34 36.1 r H41
2004-09-14 07:19:29 C 00 22 34.02 +26 34 32.7 r H41
2004-09-14 07:21:33 C 00 22 34.05 +26 34 30.5 r H41
2004-09-14 07:27:25 C 00 22 34.29 +26 34 25.2 18.3 c 704
2004-09-14 07:44:19 C 00 22 34.34 +26 34 04.7 18.2 c 704
2004-09-14 08:00:54 C 00 22 34.36 +26 33 47.4 18.5 c 704
2004-09-15 05:43:05 C 00 22 41.50 +26 09 04.0 r H41
2004-09-15 05:45:29 C 00 22 41.52 +26 09 00.9 r H41
2004-09-15 05:47:49 C 00 22 41.57 +26 08 58.6 r H41
2004-09-15 05:49:56 C 00 22 41.55 +26 08 56.4 r H41
2004-09-16 08:09:48 C 00 22 48.31 +25 37 13.4 r H41
2004-09-16 08:11:40 C 00 22 48.34 +25 37 11.1 r H41
2004-09-16 08:13:33 C 00 22 48.32 +25 37 08.5 r H41
2004-09-16 08:15:18 C 00 22 48.32 +25 37 07.7 r H41
2004-09-16 08:17:04 C 00 22 48.31 +25 37 05.6 r H41
2004-09-17 06:10:08 C 00 22 54.236 +25 09 14.22 645
2004-09-17 06:11:20 C 00 22 54.235 +25 09 12.84 645
2004-09-17 06:13:43 C 00 22 54.234 +25 09 09.77 645
2004-09-17 06:14:55 C 00 22 54.234 +25 09 08.17 645
2004-09-17 19:32:05 C 00 22 57.44 +24 51 28.3 c 434