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
2008-10-28 02:46:05 C 21 40 17.86 -02 28 39.7 r 703
2008-10-28 02:58:23 C 21 40 18.40 -02 28 56.2 r 703
2008-10-28 03:10:23 C 21 40 18.91 -02 29 13.0 r 703
2008-10-30 04:29:09 C 21 42 41.14 -03 36 44.0 r G96
2008-10-30 04:38:35 C 21 42 41.61 -03 36 56.8 r G96
2008-10-30 04:47:55 C 21 42 42.04 -03 37 09.5 r G96
2008-10-30 04:57:16 C 21 42 42.51 -03 37 21.9 r G96
2008-11-02 01:55:52 C 21 46 22.85 -05 08 50.5 18.5 c 704
2008-11-02 02:13:06 C 21 46 23.78 -05 09 13.1 18.9 c 704
2008-11-02 02:30:21 C 21 46 24.69 -05 09 35.2 18.9 c 704
2008-11-02 02:47:44 C 21 46 25.65 -05 09 57.9 18.8 c 704
2008-11-02 03:05:51 C 21 46 26.59 -05 10 21.8 18.7 c 704
2008-11-19 01:22:51 C 22 15 31.32 -12 50 47.3 r 703
2008-11-19 01:32:49 C 22 15 32.18 -12 50 57.0 r 703
2008-11-19 01:42:30 C 22 15 32.97 -12 51 06.8 r 703
2008-11-19 01:46:12 C 22 15 33.27 -12 51 09.0 18.8 c 704
2008-11-19 01:52:26 C 22 15 33.84 -12 51 15.5 r 703
2008-11-19 02:04:43 C 22 15 34.75 -12 51 26.6 19.2 c 704
2008-11-19 02:41:54 C 22 15 37.93 -12 52 00.8 19.7 c 704
2008-11-19 03:00:37 C 22 15 39.50 -12 52 20.5 20.0 c 704
2008-11-23 01:38:31 C 22 24 05.42 -14 19 18.7 18.5 c 704
2008-11-23 01:57:05 C 22 24 07.16 -14 19 34.5 18.9 c 704
2008-11-23 02:15:23 C 22 24 08.79 -14 19 50.1 18.8 c 704
2008-11-23 02:33:48 C 22 24 10.40 -14 20 07.1 18.8 c 704
2008-11-23 02:52:15 C 22 24 12.13 -14 20 22.5 18.8 c 704
2008-11-30 01:54:01 C 22 40 26.62 -16 34 56.1 18.9 c 704
2008-11-30 02:12:21 C 22 40 28.42 -16 35 09.5 18.7 c 704
2008-11-30 02:30:40 C 22 40 30.19 -16 35 22.7 19.3 c 704
2009-01-29 11:26:51 C 01 50 28.50 -21 10 41.3 r E12
2009-01-29 11:32:17 C 01 50 29.29 -21 10 39.5 r E12
2009-01-29 11:37:43 C 01 50 30.12 -21 10 38.2 r E12
2012-08-05 07:37:32 c 21 06 50.938 +27 55 21.50 L F51
2012-08-05 07:54:58 c 21 06 50.122 +27 55 19.57 L F51
2012-10-01 08:47:41 c 20 23 51.048 +11 59 37.05 L F51
2012-10-01 09:03:17 c 20 23 51.127 +11 59 20.82 L F51
2012-12-07 01:32:27 C 21 57 05.54 -08 42 28.0 r 703
2012-12-07 01:39:13 C 21 57 06.26 -08 42 30.7 r 703
2012-12-07 01:46:04 C 21 57 06.91 -08 42 33.1 r 703
2012-12-13 01:18:54 C 22 11 52.70 -09 36 02.7 19.2 c 704
2012-12-13 01:38:01 C 22 11 54.66 -09 36 07.1 19.6 c 704
2012-12-13 01:57:25 C 22 11 56.67 -09 36 13.8 19.9 c 704
2012-12-31 05:12:19 C 23 01 15.816 -11 20 15.65 L F51
2012-12-31 05:18:01 C 23 01 16.493 -11 20 16.46 L F51
2012-12-31 05:23:44 C 23 01 17.171 -11 20 17.21 L F51
2012-12-31 05:29:25 C 23 01 17.855 -11 20 18.01 L F51
2014-03-30 08:55:15 C 15 01 04.77 -02 11 07.7 u H21
2014-03-30 09:23:46 C 15 01 04.06 -02 10 54.9 u H21
2014-03-30 09:26:29 C 15 01 03.98 -02 10 53.9 u H21
2016-12-01 01:27:59 C 21 04 27.12 -03 40 34.5 q G96
2016-12-01 01:34:10 C 21 04 27.63 -03 40 36.7 q G96