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
2004-09-17 19:33:55 C 00 22 57.36 +24 51 25.5 c 434
2004-09-17 19:35:44 C 00 22 57.68 +24 51 24.1 c 434
2004-09-17 19:37:34 C 00 22 57.46 +24 51 21.4 c 434
2004-09-17 22:24:46 C 00 22 57.55 +24 47 35.8 r A39
2004-09-17 22:38:30 C 00 22 57.70 +24 47 17.2 r A16
2004-09-17 22:42:10 C 00 22 57.63 +24 47 13.0 r A16
2004-09-17 22:46:20 C 00 22 57.70 +24 47 07.1 r A16
2004-09-17 22:49:18 C 00 22 57.67 +24 47 03.0 r A16
2004-09-17 22:52:52 C 00 22 57.65 +24 46 58.7 r A16
2004-09-17 22:55:46 C 00 22 57.55 +24 46 54.1 r A39
2004-09-17 23:32:54 C 00 22 57.59 +24 46 03.7 r A39
2004-09-18 00:49:12 C 00 22 57.55 +24 44 20.1 r A39
2004-09-18 08:27:29 C 00 22 58.82 +24 33 55.8 r H41
2004-09-18 08:30:21 C 00 22 58.79 +24 33 52.2 r H41
2004-09-18 08:32:11 C 00 22 58.84 +24 33 49.4 r H41
2004-09-18 08:34:08 C 00 22 58.84 +24 33 47.0 r H41
2004-09-18 08:36:00 C 00 22 58.82 +24 33 44.3 r H41
2004-09-18 22:23:31 C 00 23 01.96 +24 14 21.1 17.6 r 130
2004-09-18 22:30:04 C 00 23 01.95 +24 14 11.6 17.7 r 130
2004-09-18 22:33:30 C 00 23 01.97 +24 14 06.4 17.5 r 130
2004-09-18 22:39:31 C 00 23 01.95 +24 13 58.5 17.6 r 130
2004-09-19 07:28:32 C 00 23 02.92 +24 01 21.0 r H41
2004-09-19 07:30:44 C 00 23 02.94 +24 01 17.0 r H41
2004-09-19 07:32:39 C 00 23 02.95 +24 01 14.5 r H41
2004-09-19 07:34:33 C 00 23 02.92 +24 01 12.2 r H41
2004-09-19 07:36:51 C 00 23 02.93 +24 01 08.2 r H41
2004-09-20 01:28:29 C 00 23 06.46 +23 34 37.8 r 928
2004-09-20 01:32:00 C 00 23 06.45 +23 34 32.6 r 928
2004-09-20 01:37:52 C 00 23 06.45 +23 34 23.7 r 928
2004-09-20 06:53:53 C 00 23 06.35 +23 26 30.2 r H41
2004-09-20 06:56:51 C 00 23 06.34 +23 26 25.8 r H41
2004-09-20 06:58:53 C 00 23 06.32 +23 26 22.9 r H41
2004-09-20 07:00:38 C 00 23 06.36 +23 26 19.3 r H41
2004-09-20 07:02:10 C 00 23 06.36 +23 26 17.4 r H41
2004-09-20 07:03:39 C 00 23 06.29 +23 26 15.1 r H41
2004-09-20 22:32:51 C 00 23 08.49 +23 02 12.9 c A41
2004-09-20 22:56:19 C 00 23 08.39 +23 01 35.9 c A41
2004-09-20 23:19:19 C 00 23 08.33 +23 00 59.5 c A41
2004-09-21 04:32:43 C 00 23 09.10 +22 52 39.4 z 294
2004-09-21 04:41:26 C 00 23 08.97 +22 52 30.1 z 294
2004-09-21 04:52:22 C 00 23 08.88 +22 52 12.5 z 294
2004-09-21 07:38:46 C 00 23 08.92 +22 47 48.0 r H41
2004-09-21 07:40:17 C 00 23 08.91 +22 47 46.1 r H41
2004-09-21 07:41:46 C 00 23 08.93 +22 47 43.8 r H41
2004-09-21 07:43:21 C 00 23 08.92 +22 47 41.3 r H41
2004-09-21 07:44:45 C 00 23 08.89 +22 47 39.1 r H41
2004-09-22 07:42:34 C 00 23 11.27 +22 08 17.7 o 699
2004-09-22 08:05:59 C 00 23 11.18 +22 07 38.2 o 699
2004-09-22 08:29:25 C 00 23 11.14 +22 06 58.9 o 699
2004-09-22 08:52:48 C 00 23 11.07 +22 06 19.3 o 699