429746 (2011 SA16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5327759444 ± 3.37e-08
Semi-major axis (a)2.7320656537 AU ± 1.21e-08
Inclination (i)20.12039255° ± 5.08e-06
Long. of Asc. Node (Ω)275.39170009° ± 1.79e-05
Arg. of Perihelion (ω)317.46384579° ± 1.93e-05
Mean Anomaly (M)109.17909985° ± 8.04e-06
Mean Motion (n)0.2182607176°/day ± 1.45e-09
Perihelion dist (q)1.27648679 AU ± 9.21e-08
Aphelion dist (Q)4.18764451 AU ± 9.38e-08
Orbital Period4.51582078 yr ± 3.00e-08
Physical Parameters
H (abs. magnitude)17.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.222″
Uncertainty0
Orbit TypeAmor
MOID0.325172 AU
Observations Used155
Oppositions10
Arc Total2011-2024
First Observation Used2011-09-18
Last Observation Used2024-03-17
Observations (179)
Date Type RA Dec Mag Band Observatory
2015-07-30 00:29:32 C 13 48 06.31 -18 45 00.6 u 807
2015-07-30 00:33:49 C 13 48 07.07 -18 45 00.2 u 807
2015-07-30 00:38:07 C 13 48 07.82 -18 44 59.6 u 807
2015-08-06 03:27:34 C 14 17 48.82 -18 26 31.5 R G45
2015-08-06 03:35:14 C 14 17 50.08 -18 26 30.7 R G45
2015-08-06 03:43:14 C 14 17 51.45 -18 26 29.7 R G45
2015-08-06 03:51:00 C 14 17 52.80 -18 26 28.5 R G45
2015-09-24 03:02:21 C 17 11 46.34 -14 49 34.4 o 291
2015-09-24 03:05:56 C 17 11 46.81 -14 49 34.2 o 291
2015-09-24 03:09:31 C 17 11 47.29 -14 49 33.0 o 291
2015-09-25 02:38:25 C 17 14 42.93 -14 44 21.3 o 291
2015-09-25 02:45:37 C 17 14 43.88 -14 44 21.0 o 291
2016-09-04 06:45:19 C 01 22 43.65 +35 19 10.1 u H21
2016-09-04 07:11:54 C 01 22 42.91 +35 19 12.6 u H21
2016-09-04 07:36:24 C 01 22 42.24 +35 19 15.1 u H21
2016-09-24 06:59:37 C 01 06 39.72 +35 12 36.3 u H21
2016-09-24 07:26:47 C 01 06 38.63 +35 12 33.6 u H21
2016-09-24 08:01:50 C 01 06 37.27 +35 12 30.6 u H21
2020-08-01 09:45:29 C 23 20 40.91 +25 08 01.8 V G96
2020-08-01 09:52:57 C 23 20 40.64 +25 08 03.4 V G96
2020-08-01 10:00:27 C 23 20 40.44 +25 08 05.9 V G96
2020-08-01 10:07:55 C 23 20 40.14 +25 08 08.0 V G96
2020-08-18 09:18:25 C 23 04 31.172 +26 13 14.67 U F51
2020-08-18 09:36:28 C 23 04 30.319 +26 13 15.37 U F51
2020-08-18 09:54:38 C 23 04 29.441 +26 13 15.94 U F51
2020-08-18 10:12:47 C 23 04 28.572 +26 13 16.64 U F51
2020-08-26 06:45:40 C 22 55 25.80 +26 07 16.9 V G96
2020-08-26 06:53:53 C 22 55 25.33 +26 07 16.7 V G96
2020-08-26 07:02:06 C 22 55 25.01 +26 07 15.8 V G96
2020-08-26 07:10:19 C 22 55 24.57 +26 07 15.0 V G96
2020-09-06 07:39:45 C 22 42 33.59 +25 21 43.4 V G96
2020-09-06 07:50:02 C 22 42 33.13 +25 21 40.9 V G96
2020-09-06 07:58:10 C 22 42 32.68 +25 21 38.8 V G96
2020-09-18 11:18:18 C 22 29 55.505 +23 50 50.44 U F51
2020-09-18 11:36:25 C 22 29 54.795 +23 50 43.61 U F51
2020-09-18 11:54:32 C 22 29 54.067 +23 50 37.03 U F51
2023-12-08 14:27:04 C 09 32 20.785 +01 59 25.76 X F52
2023-12-08 14:59:23 C 09 32 21.208 +01 59 07.70 X F52
2023-12-08 15:15:34 C 09 32 21.427 +01 58 58.64 X F52
2023-12-14 14:27:34 C 09 33 59.755 +00 38 25.95 X F51
2023-12-14 14:45:56 C 09 33 59.852 +00 38 15.58 X F51
2023-12-14 15:04:01 C 09 33 59.988 +00 38 05.03 X F51
2023-12-14 15:21:11 C 09 34 00.096 +00 37 55.38 X F51
2023-12-17 12:26:08 C 09 34 27.712 -00 01 35.21 X F51
2023-12-17 12:42:31 C 09 34 27.787 -00 01 44.69 X F51
2023-12-17 12:58:53 C 09 34 27.851 -00 01 54.33 X F51
2023-12-17 13:15:19 C 09 34 27.903 -00 02 03.53 X F51
2024-01-12 05:01:14 C 09 27 11.15 -06 02 30.5 X W93
2024-01-12 05:08:17 C 09 27 10.93 -06 02 34.5 X W93
2024-01-12 05:14:07 C 09 27 10.74 -06 02 37.9 X W93