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
2011-09-23 21:35:14 C 20 42 50.07 +03 17 20.3 u J95
2011-09-24 19:00:03 C 20 06 14.07 -03 33 45.2 o 046
2011-09-24 19:04:12 C 20 06 06.28 -03 35 09.8 o 046
2011-09-24 19:04:48 C 20 06 05.19 -03 35 23.2 o 046
2011-09-24 19:07:45 C 20 05 59.77 -03 36 23.1 o 046
2011-09-24 19:12:51 C 20 05 50.28 -03 38 07.0 o 046
2011-09-24 19:13:33 C 20 05 49.01 -03 38 21.0 o 046
2011-09-24 19:14:13 C 20 05 47.72 -03 38 34.4 o 046
2011-09-24 19:29:37 C 20 05 18.95 -03 43 46.9 v B03
2011-09-24 19:32:55 C 20 05 12.82 -03 44 54.6 v B03
2011-09-24 19:36:12 C 20 05 06.70 -03 46 01.5 v B03
2011-09-24 19:39:29 C 20 05 00.64 -03 47 08.3 v B03
2011-09-24 19:42:46 C 20 04 54.54 -03 48 15.6 v B03
2011-09-24 19:46:02 C 20 04 48.42 -03 49 22.6 v B03
2011-09-24 19:49:19 C 20 04 42.33 -03 50 29.6 v B03
2011-09-24 19:50:04 C 20 04 42.95 -03 50 50.3 u J95
2011-09-24 19:54:23 C 20 04 34.93 -03 52 18.6 u J95
2011-09-24 19:58:19 C 20 04 27.62 -03 53 39.0 u J95
2011-09-24 20:31:48 C 20 03 23.63 -04 04 54.3 c A48
2011-09-24 20:32:29 C 20 03 22.38 -04 05 07.6 c A48
2011-09-24 20:33:15 C 20 03 20.97 -04 05 23.9 c A48
2011-09-24 20:34:01 C 20 03 19.56 -04 05 38.7 c A48
2011-09-25 02:52:51 C 19 51 32.50 -06 16 09.3 o H21
2011-09-25 02:54:44 C 19 51 28.88 -06 16 48.4 o H21
2011-09-25 02:56:23 C 19 51 25.69 -06 17 23.0 o H21
2011-09-25 02:58:16 C 19 51 22.06 -06 18 02.4 o H21
2011-09-25 02:59:41 C 19 51 19.35 -06 18 31.7 o H21
2011-09-25 03:01:19 C 19 51 16.20 -06 19 05.9 o H21
2011-09-25 19:44:07 C 19 18 38.44 -12 08 35.6 u 560
2011-09-25 19:56:17 C 19 18 13.75 -12 12 46.5 u 560
2011-09-25 19:57:57 C 19 18 10.40 -12 13 20.2 u 560
2011-09-25 19:59:33 C 19 18 07.11 -12 13 53.5 u 560
2011-09-25 23:56:52 C 19 10 13.18 -13 32 04.5 o 807
2011-09-25 23:58:38 C 19 10 09.54 -13 32 40.6 o 807
2011-09-26 00:00:38 C 19 10 05.43 -13 33 20.8 o 807
2011-09-26 00:04:42 C 19 09 57.09 -13 34 43.8 o 807
2011-09-26 00:06:46 C 19 09 52.82 -13 35 25.5 o 807
2011-09-26 00:08:47 C 19 09 48.68 -13 36 06.3 o 807
2012-07-16 12:22:26 C 21 10 48.697 +25 51 12.17 t 568
2012-07-18 12:18:42 C 21 07 08.403 +25 49 32.05 t 568
2012-07-18 12:21:12 C 21 07 08.203 +25 49 31.92 t 568
2012-07-18 12:23:43 C 21 07 07.998 +25 49 31.74 t 568
2012-07-18 12:26:29 C 21 07 07.775 +25 49 31.62 t 568
2012-07-18 12:29:05 C 21 07 07.563 +25 49 31.41 t 568
2012-07-18 12:31:37 C 21 07 07.362 +25 49 31.26 t 568
2013-04-10 11:40:43 C 21 08 24.27 +16 00 31.3 o 695
2013-04-10 11:46:26 C 21 08 24.22 +16 00 40.0 o 695
2013-04-10 11:52:09 C 21 08 24.12 +16 00 46.7 o 695
2013-04-11 11:50:34 C 21 08 09.47 +16 29 50.3 o 695
2013-04-11 11:56:17 C 21 08 09.42 +16 29 57.2 o 695