2017 SD12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3628209751 ± 2.00e+00
Semi-major axis (a)1.5205563469 AU ± 3.00e+00
Inclination (i)6.94833419° ± 4.00e+00
Long. of Asc. Node (Ω)178.55024620° ± 5.00e+00
Arg. of Perihelion (ω)145.68156774° ± 6.00e+00
Mean Anomaly (M)143.36340502° ± 1.13e-01
Mean Motion (n)0.5256725300°/day ± 1.56e+00
Perihelion dist (q)0.96886760 AU ± 3.59e+00
Aphelion dist (Q)2.07217520 AU ± 5.10e+00
Orbital Period1.87494620 yr ± 5.55e+00
Physical Parameters
H (abs. magnitude)25.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.344″
Uncertainty3
Orbit TypeApollo
MOID0.005970 AU
Observations Used109
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-10-01
Observations (114)
Date Type RA Dec Mag Band Observatory
2017-09-22 23:53:21 C 00 51 04.96 -06 06 02.3 o J41
2017-09-23 00:02:43 C 00 51 14.68 -06 07 12.0 o J41
2017-09-23 00:11:51 C 00 51 24.14 -06 08 20.3 o J41
2017-09-23 02:17:42 C 00 53 53.02 -06 12 23.3 17.1 q I39
2017-09-23 02:26:59 C 00 54 01.96 -06 13 31.9 16.7 q I39
2017-09-23 03:08:21 C 00 54 41.63 -06 18 29.0 16.9 q I39
2017-09-23 05:31:17 C 00 57 05.65 -06 44 02.1 q 850
2017-09-23 05:37:33 C 00 57 21.33 -06 44 15.8 q G48
2017-09-23 05:39:24 C 00 57 23.03 -06 44 27.8 q G48
2017-09-23 05:42:08 C 00 57 25.50 -06 44 46.8 q G48
2017-09-23 05:54:13 C 00 57 26.08 -06 46 35.8 q 850
2017-09-23 06:33:11 C 00 58 00.70 -06 50 52.1 q 850
2017-09-23 06:36:31 C 00 58 02.93 -06 51 37.0 q W25
2017-09-23 06:54:34 C 00 58 18.85 -06 53 33.3 q W25
2017-09-23 06:57:00 C 00 58 22.53 -06 53 51.4 u H21
2017-09-23 06:59:57 C 00 58 25.12 -06 54 10.1 u H21
2017-09-23 07:00:12 C 00 58 24.36 -06 53 46.4 q 850
2017-09-23 07:02:33 C 00 58 27.41 -06 54 27.0 u H21
2017-09-23 07:05:09 C 00 58 29.69 -06 54 43.8 u H21
2017-09-23 07:08:31 C 00 58 32.65 -06 55 05.5 u H21
2017-09-23 07:26:13 C 00 58 46.91 -06 56 32.2 q 850
2017-09-23 07:26:29 C 00 58 58.46 -06 56 17.0 q 703
2017-09-23 07:27:07 C 00 58 59.17 -06 56 23.2 q 703
2017-09-23 21:27:50 C 01 11 13.00 -08 16 07.5 q A17
2017-09-23 21:31:20 C 01 11 15.50 -08 16 25.3 q A17
2017-09-23 21:41:11 C 01 11 22.40 -08 17 13.9 q A17
2017-09-23 21:44:43 C 01 11 24.87 -08 17 31.8 q A17
2017-09-23 22:18:33 C 01 11 48.74 -08 19 55.2 q 160
2017-09-23 22:22:33 C 01 11 51.44 -08 20 14.9 q 160
2017-09-23 22:24:36 C 01 11 52.82 -08 20 24.9 q 160
2017-09-23 22:25:54 C 01 11 54.18 -08 20 34.4 U K41
2017-09-23 22:26:35 C 01 11 54.15 -08 20 34.5 q 160
2017-09-23 22:27:22 C 01 11 55.23 -08 20 41.5 U K41
2017-09-23 22:28:50 C 01 11 56.13 -08 20 48.5 U K41
2017-09-23 22:30:18 C 01 11 57.14 -08 20 56.3 U K41
2017-09-23 22:30:39 C 01 11 56.90 -08 20 54.5 q 160
2017-09-23 22:37:31 C 01 12 04.61 -08 21 13.9 q B49
2017-09-23 22:39:09 C 01 12 05.69 -08 21 21.9 q B49
2017-09-23 22:40:17 C 01 12 06.46 -08 21 27.4 q B49
2017-09-23 22:49:33 C 01 12 13.28 -08 22 22.2 U 958
2017-09-23 23:02:13 C 01 12 21.77 -08 23 23.4 U 958
2017-09-23 23:15:02 C 01 12 30.30 -08 24 25.6 U 958
2017-09-24 02:06:42 C 01 14 40.62 -08 29 18.1 17.8 q I39
2017-09-24 02:36:02 C 01 14 59.07 -08 31 36.3 17.5 q I39
2017-09-24 02:51:40 C 01 15 08.71 -08 32 49.2 17.8 q I39
2017-09-24 05:11:26 C 01 16 31.16 -08 43 13.3 17.3 o 844
2017-09-24 05:15:04 C 01 16 33.24 -08 43 27.4 17.6 o 844
2017-09-24 05:18:42 C 01 16 35.43 -08 43 44.6 17.6 o 844
2017-09-24 05:22:20 C 01 16 37.63 -08 44 00.5 17.7 o 844
2017-09-24 05:25:58 C 01 16 39.71 -08 44 16.1 17.6 o 844