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
2011-10-24 12:13:39 C 02 59 08.08 +14 34 03.0 o 291
2011-10-28 04:55:48 C 02 52 36.59 +13 55 40.7 o 291
2011-10-28 05:00:29 C 02 52 36.23 +13 55 39.1 o 291
2011-10-28 05:05:09 C 02 52 35.94 +13 55 36.7 o 291
2011-10-29 04:55:49 C 02 50 50.48 +13 45 17.8 o 291
2011-10-29 05:01:01 C 02 50 50.14 +13 45 15.6 o 291
2011-10-29 05:06:10 C 02 50 49.70 +13 45 12.7 o 291
2011-10-29 05:13:02 C 02 50 49.19 +13 45 10.0 o 691
2011-10-29 05:38:35 C 02 50 47.34 +13 44 59.0 o 691
2011-10-29 06:04:09 C 02 50 45.31 +13 44 48.3 o 691
2011-11-02 05:18:08 C 02 43 48.77 +13 03 57.8 o 691
2011-11-02 05:43:43 C 02 43 46.94 +13 03 46.0 o 691
2011-11-02 06:09:19 C 02 43 45.03 +13 03 35.8 o 691
2011-11-03 08:11:01 C 02 41 52.96 +12 52 37.8 o 291
2011-11-03 08:15:42 C 02 41 52.54 +12 52 35.3 o 291
2011-11-15 09:07:40 C 02 23 05.03 +11 01 28.3 o 291
2011-11-15 09:13:36 C 02 23 04.65 +11 01 26.5 o 291
2011-11-15 09:19:33 C 02 23 04.30 +11 01 23.9 o 291
2011-11-16 07:58:08 C 02 21 47.57 +10 53 49.3 o 291
2011-11-16 08:02:44 C 02 21 47.27 +10 53 47.3 o 291
2011-11-16 08:07:21 C 02 21 47.05 +10 53 46.2 o 291
2013-01-05 11:47:48 C 10 35 55.16 +01 15 02.3 o 291
2013-01-05 12:01:07 C 10 35 55.35 +01 14 59.1 o 291
2013-01-05 12:14:26 C 10 35 55.48 +01 14 55.8 o 291
2013-02-06 06:43:39 C 10 25 44.88 -00 02 47.9 q 448
2013-02-06 07:21:14 C 10 25 43.01 -00 02 43.5 q 448
2013-02-06 08:11:47 C 10 25 40.46 -00 02 38.2 q 448
2013-02-08 11:58:12 C 10 23 06.526 +00 03 48.84 L F51
2013-02-08 12:21:04 C 10 23 05.248 +00 03 52.18 L F51
2013-02-08 12:43:56 C 10 23 03.969 +00 03 55.41 L F51
2013-02-08 13:09:42 C 10 23 02.522 +00 03 59.13 L F51
2013-02-11 09:13:53 C 10 19 14.52 +00 15 31.9 r 703
2013-02-11 09:29:31 C 10 19 13.62 +00 15 34.2 r 703
2013-02-11 09:37:23 C 10 19 13.04 +00 15 35.0 r 703
2013-02-16 07:02:51 C 10 11 33.54 +00 44 23.6 r 703
2013-02-16 07:11:00 C 10 11 32.92 +00 44 24.9 r 703
2013-02-16 07:19:12 C 10 11 32.38 +00 44 28.0 r 703
2013-02-16 07:27:22 C 10 11 31.74 +00 44 30.4 r 703
2013-02-19 01:44:51 C 10 06 35.50 +01 05 47.1 t 204
2013-02-19 01:56:02 C 10 06 34.59 +01 05 51.0 t 204
2013-02-19 02:07:11 C 10 06 33.72 +01 05 54.8 t 204
2013-02-21 09:53:36 C 10 02 06.632 +01 26 52.86 L F51
2013-02-21 10:13:33 C 10 02 04.891 +01 27 00.77 L F51
2013-02-21 11:12:37 C 10 01 59.720 +01 27 24.06 L F51
2013-03-02 06:09:40 C 09 42 55.26 +03 09 49.4 q 448
2013-03-02 06:19:31 C 09 42 54.15 +03 09 54.8 q 448
2013-03-02 06:33:40 C 09 42 52.72 +03 10 02.8 q 448
2013-03-04 07:05:50 C 09 38 07.625 +03 38 33.92 L F51
2013-03-04 07:26:26 C 09 38 05.488 +03 38 46.40 L F51
2013-03-04 07:46:56 C 09 38 03.355 +03 38 58.79 L F51