523654 (2011 SR5)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7057247282 ± 6.97e-08
Semi-major axis (a)1.1781912557 AU ± 3.94e-09
Inclination (i)29.13018658° ± 1.46e-05
Long. of Asc. Node (Ω)180.09241870° ± 1.93e-06
Arg. of Perihelion (ω)305.55922990° ± 7.39e-06
Mean Anomaly (M)345.21036185° ± 1.89e-05
Mean Motion (n)0.7707057221°/day ± 3.86e-09
Perihelion dist (q)0.34671255 AU ± 8.21e-08
Aphelion dist (Q)2.00966996 AU ± 8.24e-08
Orbital Period1.27886203 yr ± 6.41e-09
Physical Parameters
H (abs. magnitude)20.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.359″
Uncertainty0
Orbit TypeApollo
MOID0.000969 AU
Observations Used227
Oppositions3
Arc Total2011-2025
First Observation Used2011-09-19
Last Observation Used2025-09-14
Observations (236)
Date Type RA Dec Mag Band Observatory
2011-09-19 08:48:12 C 22 36 47.01 +22 00 07.4 r 703
2011-09-19 08:59:56 C 22 36 39.38 +21 59 07.7 r 703
2011-09-19 09:11:51 C 22 36 31.60 +21 58 06.8 r 703
2011-09-19 09:23:43 C 22 36 23.83 +21 57 06.2 r 703
2011-09-19 10:14:42 C 22 35 50.45 +21 52 39.7 r H06
2011-09-19 10:23:42 C 22 35 44.60 +21 51 52.9 r H06
2011-09-19 10:41:42 C 22 35 32.85 +21 50 19.6 r H06
2011-09-19 10:59:43 C 22 35 21.01 +21 48 43.1 r H06
2011-09-19 13:08:53 C 22 34 01.99 +21 39 18.4 u D90
2011-09-19 13:12:46 C 22 33 59.36 +21 38 58.0 u D90
2011-09-19 13:16:44 C 22 33 56.64 +21 38 37.2 u D90
2011-09-19 13:20:39 C 22 33 53.92 +21 38 16.6 u D90
2011-09-19 13:24:36 C 22 33 51.24 +21 37 55.8 u D90
2011-09-19 13:28:31 C 22 33 48.58 +21 37 35.1 u D90
2011-09-19 19:24:10 C 22 29 48.73 +21 03 28.5 r B18
2011-09-19 19:29:21 C 22 29 45.05 +21 02 59.1 r B18
2011-09-19 19:32:44 C 22 29 42.64 +21 02 40.0 r B18
2011-09-19 20:30:46 C 22 29 04.19 +20 57 03.5 v I93
2011-09-19 20:37:51 C 22 28 59.12 +20 56 23.1 v I93
2011-09-19 20:50:34 C 22 28 49.97 +20 55 10.5 v I93
2011-09-19 20:57:26 C 22 28 45.05 +20 54 31.2 v I93
2011-09-20 02:35:00 C 22 24 44.12 +20 20 59.5 u H17
2011-09-20 03:01:02 C 22 24 24.30 +20 18 18.0 u H17
2011-09-20 03:26:53 C 22 24 04.71 +20 15 38.6 u H17
2011-09-20 05:31:17 C 22 22 29.53 +20 02 45.1 r 703
2011-09-20 05:41:03 C 22 22 21.90 +20 01 41.9 r 703
2011-09-20 05:50:49 C 22 22 14.23 +20 00 39.7 r 703
2011-09-20 06:00:41 C 22 22 06.56 +19 59 36.0 r 703
2011-09-20 19:39:59 C 22 11 09.97 +18 23 32.9 c A53
2011-09-20 19:41:57 C 22 11 08.26 +18 23 18.4 c A53
2011-09-20 19:44:01 C 22 11 06.44 +18 23 02.5 c A53
2011-09-20 19:44:39 C 22 11 05.90 +18 22 58.1 c A48
2011-09-20 19:45:29 C 22 11 05.14 +18 22 51.9 c A48
2011-09-20 19:46:05 C 22 11 04.65 +18 22 46.9 c A53
2011-09-20 19:46:19 C 22 11 04.42 +18 22 45.2 c A48
2011-09-20 19:47:09 C 22 11 03.71 +18 22 39.2 c A48
2011-09-20 19:48:08 C 22 11 02.87 +18 22 31.3 c A53
2011-09-20 19:59:09 C 22 10 52.80 +18 20 59.4 o 639
2011-09-20 20:03:34 C 22 10 48.92 +18 20 25.2 o 639
2011-09-20 20:04:04 C 22 10 48.98 +18 20 25.9 u 151
2011-09-20 20:04:55 C 22 10 48.24 +18 20 19.6 u 151
2011-09-20 20:05:46 C 22 10 47.50 +18 20 13.3 u 151
2011-09-20 20:06:36 C 22 10 46.76 +18 20 06.8 u 151
2011-09-20 20:07:05 C 22 10 45.87 +18 19 58.6 o 639
2011-09-20 20:07:27 C 22 10 46.03 +18 20 00.6 u 151
2011-09-20 20:08:18 C 22 10 45.29 +18 19 54.1 u 151
2011-09-20 20:09:08 C 22 10 44.54 +18 19 47.5 u 151
2011-09-20 20:21:29 C 22 10 33.28 +18 18 08.8 o 639
2011-09-20 20:25:56 C 22 10 29.40 +18 17 34.9 u C01
2011-09-20 20:26:30 C 22 10 28.89 +18 17 30.6 o 639