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
2004-10-30 06:09:39 C 00 32 02.51 -21 49 58.5 16.2 c 644
2004-10-30 06:40:33 C 00 32 03.44 -21 51 31.7 16.2 c 644
2004-10-30 07:11:48 C 00 32 04.38 -21 53 05.4 16.2 c 644
2004-11-06 14:10:09 C 00 39 39.82 -29 53 21.8 r E12
2004-11-06 14:30:26 C 00 39 40.78 -29 54 10.8 r E12
2004-11-06 14:50:46 C 00 39 41.74 -29 55 00.5 r E12
2004-11-06 15:11:06 C 00 39 42.70 -29 55 49.5 r E12
2004-11-12 11:34:09 C 00 47 52.65 -35 07 21.5 r E12
2004-11-12 11:48:34 C 00 47 53.49 -35 07 50.1 r E12
2004-11-12 12:03:02 C 00 47 54.38 -35 08 18.9 r E12
2004-11-12 12:17:28 C 00 47 55.20 -35 08 47.3 r E12
2005-03-10 12:20:15 C 06 19 09.71 -19 42 36.2 r E12
2005-03-10 12:30:21 C 06 19 10.82 -19 42 25.3 r E12
2005-03-10 12:40:27 C 06 19 12.04 -19 42 11.5 r E12
2005-03-10 12:50:31 C 06 19 13.19 -19 41 58.2 r E12
2007-05-19 06:51:35 C 17 47 12.11 +12 10 17.2 22.8 o H55
2007-05-19 07:18:20 C 17 47 11.37 +12 10 25.6 22.9 o H55
2007-05-19 07:45:26 C 17 47 10.58 +12 10 33.9 22.9 o H55
2008-06-17 07:53:57 C 22 14 15.26 +23 31 05.5 o H55
2008-06-17 08:08:02 C 22 14 15.60 +23 31 12.7 o H55
2008-06-17 08:21:58 C 22 14 15.95 +23 31 19.7 o H55
2008-07-17 06:11:39 C 22 23 13.99 +28 40 20.8 o H55
2008-07-17 06:20:43 C 22 23 13.96 +28 40 23.7 o H55
2008-07-17 06:29:26 C 22 23 13.93 +28 40 26.9 o H55
2008-08-04 01:14:16 C 22 17 47.42 +30 15 30.0 r 106
2008-08-04 01:28:12 C 22 17 47.01 +30 15 30.5 r 106
2008-08-04 01:42:03 C 22 17 46.64 +30 15 30.8 r 106
2008-08-04 01:55:56 C 22 17 46.33 +30 15 31.9 r 106
2008-08-04 03:04:54 C 22 17 44.57 +30 15 39.6 c B37
2008-08-04 03:10:30 C 22 17 44.30 +30 15 41.0 c B37
2008-08-11 00:19:16 C 22 13 10.09 +30 17 49.6 r B67
2008-08-11 00:26:33 C 22 13 09.87 +30 17 48.9 r B67
2008-08-11 00:33:55 C 22 13 09.60 +30 17 48.3 r B67
2008-08-14 04:34:18 C 22 10 38.30 +30 10 14.7 o H55
2008-08-14 04:44:24 C 22 10 37.93 +30 10 13.4 o H55
2008-08-14 04:52:50 C 22 10 37.62 +30 10 12.3 o H55
2008-09-22 06:18:55 C 21 33 09.50 +18 44 10.2 r 703
2008-09-22 06:30:35 C 21 33 09.07 +18 43 54.9 r 703
2008-09-22 06:42:49 C 21 33 08.78 +18 43 38.8 r 703
2008-09-22 06:54:15 C 21 33 08.42 +18 43 24.1 r 703
2008-09-28 03:53:40 C 21 30 01.65 +15 27 45.3 r 703
2008-09-28 04:04:09 C 21 30 01.44 +15 27 30.5 r 703
2008-09-28 04:14:34 C 21 30 01.26 +15 27 15.0 r 703
2008-09-28 04:25:01 C 21 30 01.08 +15 26 59.7 r 703
2008-10-01 04:00:20 C 21 29 01.03 +13 42 02.8 18.7 c 704
2008-10-01 04:18:07 C 21 29 00.81 +13 41 35.9 18.9 c 704
2008-10-01 04:35:58 C 21 29 00.57 +13 41 09.7 19.0 c 704
2008-10-01 04:53:54 C 21 29 00.29 +13 40 43.1 19.7 c 704
2008-10-01 05:12:11 C 21 29 00.10 +13 40 14.5 19.4 c 704
2008-10-28 02:33:50 C 21 40 17.32 -02 28 22.4 r 703