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
2004-10-04 21:29:22 C 00 23 17.22 +11 01 02.8 r A13
2004-10-04 21:31:11 C 00 23 17.20 +11 00 57.8 r A13
2004-10-04 21:33:00 C 00 23 17.20 +11 00 52.8 r A13
2004-10-04 21:34:50 C 00 23 17.20 +11 00 47.9 r A13
2004-10-06 06:02:20 C 00 23 19.06 +09 29 50.0 r H41
2004-10-06 06:03:56 C 00 23 19.05 +09 29 45.6 r H41
2004-10-06 06:05:22 C 00 23 19.04 +09 29 41.6 r H41
2004-10-06 06:06:51 C 00 23 19.04 +09 29 36.9 r H41
2004-10-06 06:08:16 C 00 23 19.04 +09 29 33.1 r H41
2004-10-06 06:09:44 C 00 23 19.05 +09 29 28.7 r H41
2004-10-06 13:49:49 C 00 23 20.02 +09 07 28.0 r 379
2004-10-06 13:58:04 C 00 23 20.00 +09 07 04.5 r 379
2004-10-06 14:01:22 C 00 23 19.96 +09 06 54.5 r 379
2004-10-06 20:31:03 C 00 23 21.12 +08 48 01.7 c 127
2004-10-06 20:36:46 C 00 23 21.11 +08 47 45.1 c 127
2004-10-06 20:42:50 C 00 23 21.09 +08 47 27.7 c 127
2004-10-06 20:53:00 C 00 23 21.08 +08 46 58.2 c 127
2004-10-06 20:58:56 C 00 23 21.07 +08 46 40.4 c 127
2004-10-07 12:51:17 C 00 23 22.97 +08 00 13.0 r 379
2004-10-07 12:53:33 C 00 23 22.95 +08 00 06.1 r 379
2004-10-07 12:58:30 C 00 23 22.96 +07 59 51.8 r 379
2004-10-07 13:00:08 C 00 23 22.95 +07 59 46.5 r 379
2004-10-07 13:05:06 C 00 23 22.94 +07 59 32.3 r 379
2004-10-07 21:36:29 C 00 23 24.05 +07 34 08.4 c 127
2004-10-07 21:41:31 C 00 23 24.04 +07 33 53.5 c 127
2004-10-07 21:46:42 C 00 23 24.04 +07 33 38.2 c 127
2004-10-07 21:54:51 C 00 23 24.04 +07 33 13.8 c 127
2004-10-07 22:00:03 C 00 23 24.03 +07 32 58.2 c 127
2004-10-07 22:18:11 C 00 23 23.68 +07 32 01.3 o 084
2004-10-08 22:04:55 C 00 23 27.90 +06 20 13.0 r A30
2004-10-08 22:07:08 C 00 23 27.91 +06 20 06.9 r A30
2004-10-08 22:35:38 C 00 23 27.89 +06 18 40.9 r A30
2004-10-09 04:45:20 C 00 23 29.52 +05 59 49.8 16.7 c 704
2004-10-09 05:00:46 C 00 23 29.50 +05 59 02.5 17.2 c 704
2004-10-09 05:16:11 C 00 23 29.47 +05 58 15.1 17.2 c 704
2004-10-09 05:31:37 C 00 23 29.44 +05 57 27.5 16.7 c 704
2004-10-09 05:47:03 C 00 23 29.43 +05 56 39.7 17.0 c 704
2004-10-09 19:50:43 C 00 23 32.78 +05 13 00.5 r 557
2004-10-09 19:52:40 C 00 23 32.78 +05 12 54.8 r 557
2004-10-09 19:54:35 C 00 23 32.77 +05 12 48.7 r 557
2004-10-09 20:02:28 C 00 23 32.78 +05 12 24.1 r 557
2004-10-10 01:17:46 C 00 23 32.89 +04 55 56.0 o 084
2004-10-10 03:59:58 C 00 23 34.92 +04 47 36.3 c 691
2004-10-10 04:46:30 C 00 23 34.90 +04 45 09.9 c 691
2004-10-10 05:25:48 C 00 23 34.93 +04 43 07.0 c 691
2004-10-10 05:56:06 C 00 23 34.71 +04 41 31.3 16.5 c 704
2004-10-10 06:11:57 C 00 23 34.71 +04 40 41.3 16.8 c 704
2004-10-10 06:27:49 C 00 23 34.71 +04 39 51.4 16.8 c 704
2004-10-10 06:43:40 C 00 23 34.68 +04 39 01.8 16.7 c 704
2004-10-10 06:59:37 C 00 23 34.66 +04 38 11.4 16.6 c 704