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
2004-10-11 22:23:52 C 00 23 46.05 +02 32 09.3 o 084
2004-10-12 04:38:12 C 00 23 48.91 +02 12 00.6 16.2 c 704
2004-10-12 04:54:08 C 00 23 48.92 +02 11 08.8 16.3 c 704
2004-10-12 05:10:03 C 00 23 48.94 +02 10 17.1 16.4 c 704
2004-10-12 05:21:26 C 00 23 49.02 +02 09 41.2 m 683
2004-10-12 05:26:00 C 00 23 48.96 +02 09 24.4 16.5 c 704
2004-10-12 05:40:43 C 00 23 49.04 +02 08 37.9 m 683
2004-10-12 05:41:57 C 00 23 48.96 +02 08 32.9 16.4 c 704
2004-10-12 05:59:59 C 00 23 49.05 +02 07 35.1 m 683
2004-10-14 05:00:55 C 00 24 08.73 -00 27 45.4 16.9 c 704
2004-10-14 05:14:27 C 00 24 08.75 -00 28 30.6 16.6 c 704
2004-10-14 05:27:59 C 00 24 08.79 -00 29 15.6 16.7 c 704
2004-10-14 07:11:04 C 00 24 08.88 -00 35 01.7 r H41
2004-10-14 07:12:36 C 00 24 08.88 -00 35 06.5 r H41
2004-10-14 07:14:04 C 00 24 08.89 -00 35 11.9 r H41
2004-10-14 07:15:29 C 00 24 08.88 -00 35 16.5 r H41
2004-10-14 07:16:58 C 00 24 08.89 -00 35 21.6 r H41
2004-10-15 22:40:35 C 00 24 30.72 -02 48 26.7 o 084
2004-10-16 13:21:27 C 00 24 40.44 -03 38 21.4 r 379
2004-10-16 13:23:07 C 00 24 40.41 -03 38 27.1 r 379
2004-10-16 13:28:04 C 00 24 40.48 -03 38 44.5 r 379
2004-10-16 13:29:42 C 00 24 40.45 -03 38 50.1 r 379
2004-10-16 13:31:22 C 00 24 40.50 -03 38 55.6 r 379
2004-10-16 13:33:00 C 00 24 40.52 -03 39 01.2 r 379
2004-10-16 13:34:39 C 00 24 40.53 -03 39 07.0 r 379
2004-10-16 13:36:19 C 00 24 40.53 -03 39 12.5 r 379
2004-10-16 14:49:54 C 00 24 40.91 -03 43 24.1 m 355
2004-10-16 14:52:26 C 00 24 40.92 -03 43 32.4 m 355
2004-10-16 14:55:00 C 00 24 40.94 -03 43 41.8 m 355
2004-10-16 14:58:05 C 00 24 40.96 -03 43 51.7 m 355
2004-10-17 13:57:30 C 00 24 57.46 -05 02 34.2 r 379
2004-10-17 13:59:08 C 00 24 57.46 -05 02 39.6 r 379
2004-10-17 14:04:05 C 00 24 57.49 -05 02 56.9 r 379
2004-10-17 14:05:45 C 00 24 57.50 -05 03 02.1 r 379
2004-10-17 14:07:23 C 00 24 57.50 -05 03 07.9 r 379
2004-10-17 14:10:41 C 00 24 57.54 -05 03 19.2 r 379
2004-10-18 04:48:20 C 00 25 09.32 -05 53 32.0 17.1 c 704
2004-10-18 05:04:18 C 00 25 09.46 -05 54 27.4 17.0 c 704
2004-10-18 05:20:14 C 00 25 09.59 -05 55 22.0 17.1 c 704
2004-10-18 05:36:10 C 00 25 09.70 -05 56 16.8 17.0 c 704
2004-10-18 05:52:07 C 00 25 09.82 -05 57 11.6 17.1 c 704
2004-10-19 05:52:48 C 00 25 29.95 -07 19 47.4 r H41
2004-10-19 05:55:02 C 00 25 29.98 -07 19 55.7 r H41
2004-10-19 05:56:50 C 00 25 29.98 -07 20 00.5 r H41
2004-10-20 04:22:59 C 00 25 51.94 -08 37 09.5 d 703
2004-10-20 04:42:23 C 00 25 52.15 -08 38 15.5 d 703
2004-10-20 05:01:47 C 00 25 52.36 -08 39 22.4 d 703
2004-10-20 05:21:14 C 00 25 52.58 -08 40 29.4 d 703
2004-10-23 05:26:49 C 00 27 15.13 -12 46 30.2 c 670
2004-10-23 05:31:20 C 00 27 15.20 -12 46 45.3 c 670