373135 (2011 SD173)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4974722396 ± 2.45e-08
Semi-major axis (a)1.6525488596 AU ± 9.75e-09
Inclination (i)4.38544906° ± 6.34e-06
Long. of Asc. Node (Ω)203.02865563° ± 4.45e-05
Arg. of Perihelion (ω)59.65535233° ± 4.65e-05
Mean Anomaly (M)308.19435978° ± 2.24e-05
Mean Motion (n)0.4639602919°/day ± 4.11e-09
Perihelion dist (q)0.83045168 AU ± 4.07e-08
Aphelion dist (Q)2.47464604 AU ± 4.30e-08
Orbital Period2.12437638 yr ± 1.88e-08
Physical Parameters
H (abs. magnitude)19.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.327″
Uncertainty0
Orbit TypeApollo
MOID0.001881 AU
Observations Used193
Oppositions10
Arc Total1996-2015
First Observation Used1996-10-11
Last Observation Used2015-12-09
Observations (220)
Date Type RA Dec Mag Band Observatory
2013-09-24 10:29:01 C 01 36 28.57 +13 20 59.2 q 703
2013-09-24 10:38:46 C 01 36 27.75 +13 20 52.0 q 703
2013-10-02 09:30:04 C 01 19 29.65 +10 40 05.8 q G96
2013-10-02 09:41:13 C 01 19 28.60 +10 39 56.7 q G96
2013-10-02 09:52:20 C 01 19 27.62 +10 39 47.4 q G96
2013-10-02 10:03:27 C 01 19 26.62 +10 39 38.3 q G96
2013-10-04 12:13:14 C 01 15 12.524 +09 58 48.40 L F51
2013-10-04 12:30:55 C 01 15 10.982 +09 58 34.04 L F51
2013-10-06 00:15:18 C 01 12 15.68 +09 30 01.8 19.9 u J43
2013-10-06 00:37:42 C 01 12 13.78 +09 29 44.5 19.5 u J43
2013-10-06 00:59:43 C 01 12 11.90 +09 29 26.5 19.8 u J43
2013-10-06 01:21:43 C 01 12 10.05 +09 29 09.1 19.6 u J43
2013-10-09 06:12:10 C 01 06 10.16 +08 30 09.5 q G96
2013-10-09 06:20:04 C 01 06 09.53 +08 30 03.7 q G96
2013-10-09 06:27:57 C 01 06 08.92 +08 29 57.8 q G96
2013-10-12 03:44:55 C 01 01 07.78 +07 39 52.2 o 691
2013-10-12 04:10:22 C 01 01 05.96 +07 39 34.5 o 691
2013-10-12 04:40:48 C 01 01 03.74 +07 39 13.3 o 691
2013-10-22 06:11:13 C 00 46 51.72 +05 12 32.7 q G96
2013-10-22 06:18:45 C 00 46 51.32 +05 12 29.1 q G96
2013-10-22 06:26:16 C 00 46 50.95 +05 12 25.2 q G96
2013-10-22 06:33:47 C 00 46 50.57 +05 12 21.3 q G96
2013-10-24 02:06:44 C 00 44 52.15 +04 50 52.3 o 691
2013-10-24 02:42:08 C 00 44 50.61 +04 50 35.5 o 691
2013-10-24 03:33:35 C 00 44 48.26 +04 50 11.4 o 691
2013-10-26 02:10:21 C 00 42 53.04 +04 28 57.4 o 691
2013-10-26 02:41:15 C 00 42 51.72 +04 28 44.2 o 691
2013-10-26 03:25:26 C 00 42 49.95 +04 28 25.2 o 691
2013-10-27 05:02:59 C 00 41 51.51 +04 17 31.1 q G96
2013-10-27 05:11:55 C 00 41 51.13 +04 17 27.6 q G96
2013-10-27 05:20:52 C 00 41 50.79 +04 17 23.4 q G96
2013-10-27 05:29:48 C 00 41 50.40 +04 17 20.1 q G96
2013-10-27 07:47:40 C 00 41 45.552 +04 16 25.30 L F51
2013-10-27 08:54:54 C 00 41 42.902 +04 15 57.60 L F51
2013-11-06 11:22:29 C 00 35 30.24 +02 58 53.8 q E07
2013-11-06 11:45:01 C 00 35 29.84 +02 58 48.8 q E07
2015-01-19 08:26:29 C 08 36 15.23 +09 52 11.0 q G96
2015-01-19 08:33:06 C 08 36 14.76 +09 52 12.3 q G96
2015-01-19 08:46:18 C 08 36 13.83 +09 52 14.3 q G96
2015-01-24 11:54:26 C 08 27 33.633 +10 16 42.76 L F51
2015-01-24 12:14:11 C 08 27 32.138 +10 16 47.28 L F51
2015-01-24 12:34:01 C 08 27 30.641 +10 16 51.42 L F51
2015-01-24 12:53:50 C 08 27 29.174 +10 16 55.70 L F51
2015-01-26 11:58:44 C 08 24 00.050 +10 27 31.77 L F51
2015-01-26 12:18:31 C 08 23 58.530 +10 27 36.28 L F51
2015-01-26 12:38:19 C 08 23 56.998 +10 27 40.86 L F51
2015-01-26 12:58:11 C 08 23 55.479 +10 27 45.37 L F51
2015-02-19 05:49:54 C 07 41 50.573 +13 06 12.05 L F51
2015-02-19 06:07:16 C 07 41 49.445 +13 06 17.34 L F51
2015-02-19 06:24:33 C 07 41 48.319 +13 06 22.61 L F51