461397 (2001 SD170)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5286307280 ± 5.84e-09
Semi-major axis (a)2.2751639984 AU ± 3.51e-10
Inclination (i)25.26151009° ± 2.00e-06
Long. of Asc. Node (Ω)196.97761295° ± 1.32e-06
Arg. of Perihelion (ω)215.95715734° ± 3.08e-06
Mean Anomaly (M)2.33443672° ± 8.96e-07
Mean Motion (n)0.2872058064°/day ± 6.64e-11
Perihelion dist (q)1.07244240 AU ± 1.33e-08
Aphelion dist (Q)3.47788560 AU ± 1.33e-08
Orbital Period3.43177701 yr ± 7.93e-10
Physical Parameters
H (abs. magnitude)18.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.185″
Uncertainty0
Orbit TypeAmor
MOID0.134315 AU
Observations Used704
Oppositions18
Arc Total2001-2026
First Observation Used2001-07-25
Last Observation Used2026-01-27
Observations (736)
Date Type RA Dec Mag Band Observatory
2025-11-15 05:23:58 C 05 17 54.617 -58 58 19.16 V W68
2025-11-15 05:27:59 C 05 17 55.265 -58 58 21.50 V W68
2025-11-15 05:31:58 C 05 17 55.913 -58 58 24.06 V W68
2025-11-15 05:39:20 C 05 17 57.137 -58 58 28.88 V W68
2025-11-16 05:19:12 C 05 22 05.880 -59 12 32.36 V W68
2025-11-16 05:21:51 C 05 22 06.302 -59 12 34.06 V W68
2025-11-16 05:27:17 C 05 22 07.138 -59 12 37.37 V W68
2025-11-16 05:35:13 C 05 22 08.419 -59 12 41.94 V W68
2025-11-16 23:28:41 C 05 25 09.252 -59 22 09.77 V M22
2025-11-17 00:00:57 C 05 25 14.131 -59 22 26.65 V M22
2025-11-17 00:09:29 C 05 25 15.401 -59 22 30.61 V M22
2025-11-17 00:12:05 C 05 25 15.826 -59 22 32.56 V M22
2025-11-17 00:14:47 C 05 25 16.210 -59 22 33.64 V M22
2025-11-18 05:31:26 C 05 29 59.950 -59 36 02.92 V W68
2025-11-18 05:59:51 C 05 30 03.977 -59 36 15.30 V W68
2025-11-18 06:02:31 C 05 30 04.378 -59 36 16.49 V W68
2025-11-18 06:06:33 C 05 30 04.805 -59 36 18.97 V W68
2025-11-19 06:03:46 C 05 33 45.043 -59 45 38.09 V W68
2025-11-19 06:08:21 C 05 33 45.667 -59 45 39.64 V W68
2025-11-19 06:18:34 C 05 33 47.114 -59 45 42.91 V W68
2025-11-19 06:49:35 C 05 33 51.283 -59 45 54.11 V W68
2025-11-19 23:53:57 C 05 36 22.630 -59 51 39.85 V M22
2025-11-19 23:59:21 C 05 36 23.362 -59 51 41.40 V M22
2025-11-20 00:15:11 C 05 36 25.454 -59 51 46.44 V M22
2025-11-20 00:19:11 C 05 36 25.975 -59 51 48.06 V M22
2025-11-24 05:03:01 C 05 49 41.119 -60 13 15.74 V W68
2025-11-24 05:05:40 C 05 49 41.446 -60 13 16.10 V W68
2025-11-24 05:09:39 C 05 49 41.846 -60 13 16.61 V W68
2025-11-24 05:27:44 C 05 49 43.786 -60 13 19.74 V W68
2025-11-25 03:15:21 C 05 52 17.174 -60 15 24.08 V W68
2025-11-25 03:17:58 C 05 52 17.455 -60 15 24.19 V W68
2025-11-25 03:59:54 C 05 52 21.778 -60 15 30.35 V W68
2025-11-25 04:19:55 C 05 52 23.818 -60 15 32.69 V W68
2025-11-25 04:21:13 C 05 52 24.065 -60 15 31.39 V W68
2025-11-25 05:06:05 C 05 52 28.759 -60 15 36.86 V W68
2025-11-25 23:29:45 C 05 54 30.950 -60 16 47.93 V M22
2025-11-25 23:38:35 C 05 54 31.836 -60 16 48.61 V M22
2025-11-25 23:48:53 C 05 54 32.863 -60 16 49.30 V M22
2025-11-26 00:24:26 C 05 54 36.314 -60 16 51.20 V M22
2025-11-27 04:47:25 C 05 57 37.980 -60 17 35.27 V W68
2025-11-27 04:51:20 C 05 57 38.321 -60 17 36.10 V W68
2025-11-27 05:01:27 C 05 57 39.322 -60 17 36.82 V W68
2025-11-27 05:17:40 C 05 57 40.682 -60 17 35.74 V W68
2025-11-28 04:31:40 C 06 00 01.308 -60 17 19.28 V W68
2025-11-28 04:36:01 C 06 00 01.649 -60 17 21.30 V W68
2025-11-28 04:46:02 C 06 00 02.568 -60 17 19.07 V W68
2025-11-28 05:01:22 C 06 00 03.943 -60 17 19.75 V W68
2025-11-29 00:07:04 C 06 01 53.196 -60 16 32.16 V M22
2025-11-29 00:37:12 C 06 01 55.697 -60 16 30.04 V M22
2025-11-29 00:41:08 C 06 01 55.966 -60 16 29.96 V M22