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
2011-09-20 20:29:43 C 22 10 26.01 +18 17 05.6 u C01
2011-09-20 20:31:37 C 22 10 24.36 +18 16 51.2 u C01
2011-09-20 20:35:05 C 22 10 21.35 +18 16 24.6 o 639
2011-09-20 20:57:08 C 22 10 02.38 +18 13 42.4 r 203
2011-09-20 21:05:51 C 22 09 54.71 +18 12 35.4 c A24
2011-09-20 21:06:58 C 22 09 53.73 +18 12 26.8 c A24
2011-09-20 21:39:35 C 22 09 24.76 +18 08 13.2 r 203
2011-09-20 21:45:52 C 22 09 18.83 +18 07 15.8 u C01
2011-09-20 21:47:46 C 22 09 17.20 +18 07 01.3 u C01
2011-09-20 21:49:39 C 22 09 15.45 +18 06 45.9 u C01
2011-09-20 21:51:33 C 22 09 13.79 +18 06 31.2 u C01
2011-09-20 21:52:58 C 22 09 12.89 +18 06 28.8 o B75
2011-09-20 21:53:27 C 22 09 12.14 +18 06 16.9 u C01
2011-09-20 21:54:17 C 22 09 11.74 +18 06 18.8 o B75
2011-09-20 21:55:09 C 22 09 10.95 +18 06 12.0 o B75
2011-09-20 21:56:26 C 22 09 09.71 +18 06 01.3 o B75
2011-09-20 21:57:21 C 22 09 08.95 +18 05 54.2 o B75
2011-09-20 21:58:14 C 22 09 08.11 +18 05 47.1 o B75
2011-09-20 23:05:33 C 22 08 07.90 +17 56 55.1 c A24
2011-09-20 23:06:20 C 22 08 07.19 +17 56 48.8 c A24
2011-09-20 23:07:04 C 22 08 06.53 +17 56 42.8 c A24
2011-09-20 23:15:11 C 22 07 59.06 +17 55 28.5 u C01
2011-09-20 23:17:05 C 22 07 57.42 +17 55 13.9 u C01
2011-09-20 23:20:49 C 22 07 54.03 +17 54 44.0 u C01
2011-09-20 23:22:43 C 22 07 52.39 +17 54 29.1 u C01
2011-09-21 00:18:49 C 22 07 01.90 +17 47 03.0 u B67
2011-09-21 00:22:16 C 22 06 58.76 +17 46 34.9 u B67
2011-09-21 00:25:41 C 22 06 55.67 +17 46 07.1 u B67
2011-09-21 03:56:13 C 22 03 52.00 +17 17 24.8 t G56
2011-09-21 03:58:32 C 22 03 49.85 +17 17 05.8 t G56
2011-09-21 04:00:25 C 22 03 48.06 +17 16 50.2 t G56
2011-09-21 04:02:43 C 22 03 45.94 +17 16 31.4 t G56
2011-09-21 04:05:08 C 22 03 43.67 +17 16 11.0 t G56
2011-09-21 04:10:21 C 22 03 38.75 +17 15 26.9 t G56
2011-09-21 18:54:10 C 21 49 12.05 +14 58 29.9 u 151
2011-09-21 18:55:00 C 21 49 11.16 +14 58 21.3 u 151
2011-09-21 18:55:51 C 21 49 10.25 +14 58 12.6 u 151
2011-09-21 18:56:42 C 21 49 09.35 +14 58 04.1 u 151
2011-09-21 18:57:32 C 21 49 08.46 +14 57 55.4 u 151
2011-09-21 18:58:23 C 21 49 07.55 +14 57 46.9 u 151
2011-09-21 18:59:14 C 21 49 06.64 +14 57 38.5 u 151
2011-09-21 19:45:42 C 21 48 16.92 +14 49 52.0 u 160
2011-09-21 19:47:54 C 21 48 14.53 +14 49 29.7 u 160
2011-09-21 19:50:09 C 21 48 12.12 +14 49 06.7 u 160
2011-09-21 21:24:32 C 21 46 29.67 +14 32 46.5 c A48
2011-09-21 21:28:54 C 21 46 24.86 +14 32 00.9 c A48
2011-09-21 21:33:18 C 21 46 20.08 +14 31 14.6 c A48
2011-09-21 21:37:41 C 21 46 15.22 +14 30 28.3 c A48
2011-09-21 21:49:08 C 21 46 02.85 +14 28 24.9 u B67
2011-09-21 21:55:20 C 21 45 56.17 +14 27 19.5 u B67