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
2004-09-22 13:36:08 C 00 23 12.15 +21 58 18.9 r 379
2004-09-22 13:45:35 C 00 23 12.08 +21 58 04.0 r 379
2004-09-23 03:04:14 C 00 23 13.08 +21 35 03.2 z 294
2004-09-23 03:17:00 C 00 23 13.05 +21 34 44.1 z 294
2004-09-23 03:37:34 C 00 23 12.86 +21 34 07.0 z 294
2004-09-23 07:03:13 C 00 23 12.85 +21 28 08.5 17.2 c 704
2004-09-23 07:21:22 C 00 23 12.77 +21 27 36.5 17.7 c 704
2004-09-23 07:39:35 C 00 23 12.68 +21 27 04.3 18.2 c 704
2004-09-23 07:57:56 C 00 23 12.65 +21 26 32.0 17.8 c 704
2004-09-23 08:16:35 C 00 23 12.59 +21 25 58.8 18.0 c 704
2004-09-24 22:09:07 C 00 23 14.63 +20 16 41.3 c A48
2004-09-24 22:15:12 C 00 23 14.58 +20 16 29.7 c A48
2004-09-24 22:21:17 C 00 23 14.58 +20 16 18.3 c A48
2004-09-24 23:18:30 C 00 23 14.18 +20 14 25.3 o 084
2004-09-26 06:51:56 C 00 23 14.77 +19 12 54.3 r H41
2004-09-26 06:53:16 C 00 23 14.75 +19 12 52.1 r H41
2004-09-26 06:54:31 C 00 23 14.76 +19 12 49.5 r H41
2004-09-26 06:55:46 C 00 23 14.75 +19 12 46.7 r H41
2004-09-26 06:57:01 C 00 23 14.78 +19 12 44.2 r H41
2004-09-26 06:58:17 C 00 23 14.72 +19 12 42.7 r H41
2004-09-27 03:34:24 C 00 23 15.35 +18 30 33.9 o H91
2004-09-27 03:59:01 C 00 23 15.31 +18 29 39.2 o H91
2004-09-27 06:48:26 C 00 23 14.94 +18 23 49.1 r H41
2004-09-27 06:50:19 C 00 23 14.93 +18 23 44.7 r H41
2004-09-27 06:51:52 C 00 23 14.95 +18 23 40.9 r H41
2004-09-27 06:53:02 C 00 23 14.88 +18 23 39.3 r H41
2004-09-27 06:54:05 C 00 23 14.89 +18 23 36.5 r H41
2004-09-27 06:55:15 C 00 23 14.90 +18 23 34.6 r H41
2004-09-27 22:27:56 C 00 23 15.25 +17 50 33.1 o 160
2004-09-27 22:28:24 C 00 23 15.22 +17 50 32.3 o 160
2004-09-27 22:28:50 C 00 23 15.25 +17 50 31.4 o 160
2004-09-27 22:29:16 C 00 23 15.26 +17 50 30.9 o 160
2004-09-27 22:29:42 C 00 23 15.26 +17 50 29.2 o 160
2004-09-27 22:30:08 C 00 23 15.24 +17 50 29.0 o 160
2004-09-27 22:30:36 C 00 23 15.28 +17 50 27.9 o 160
2004-09-27 22:31:00 C 00 23 15.22 +17 50 26.6 o 160
2004-09-27 22:31:27 C 00 23 15.32 +17 50 26.4 o 160
2004-09-27 22:31:51 C 00 23 15.33 +17 50 24.7 o 160
2004-09-27 22:32:17 C 00 23 15.24 +17 50 23.5 o 160
2004-09-27 22:32:43 C 00 23 15.26 +17 50 22.7 o 160
2004-09-27 22:33:08 C 00 23 15.28 +17 50 24.4 o 160
2004-09-27 22:33:34 C 00 23 15.20 +17 50 20.4 o 160
2004-09-27 22:33:58 C 00 23 15.07 +17 50 19.6 o 160
2004-09-30 06:08:07 C 00 23 14.81 +15 45 18.9 r H41
2004-09-30 06:09:24 C 00 23 14.75 +15 45 15.9 r H41
2004-09-30 06:11:00 C 00 23 14.82 +15 45 11.9 r H41
2004-09-30 06:12:14 C 00 23 14.72 +15 45 08.6 r H41
2004-09-30 06:13:22 C 00 23 14.74 +15 45 06.3 r H41
2004-10-01 22:54:40 C 00 23 14.69 +14 06 17.2 o 084
2004-10-04 21:27:22 C 00 23 17.21 +11 01 08.3 r A13