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
2025-10-28 03:43:53 C 03 30 21.658 -44 41 00.71 V W68
2025-10-28 03:47:51 C 03 30 22.790 -44 41 17.74 V W68
2025-10-28 03:53:22 C 03 30 24.382 -44 41 41.64 V W68
2025-10-28 04:07:52 C 03 30 28.562 -44 42 44.28 V W68
2025-10-29 04:26:48 C 03 37 49.442 -46 21 27.54 V W68
2025-10-29 04:29:04 C 03 37 50.088 -46 21 36.40 V W68
2025-10-29 04:35:44 C 03 37 51.996 -46 22 02.39 V W68
2025-10-29 04:49:44 C 03 37 55.975 -46 22 57.32 V W68
2025-10-29 21:52:17 C 03 43 02.640 -47 26 36.13 V M22
2025-10-29 21:56:26 C 03 43 03.806 -47 26 51.18 V M22
2025-10-29 22:00:23 C 03 43 04.903 -47 27 05.80 V M22
2025-10-29 22:15:45 C 03 43 09.242 -47 28 02.10 V M22
2025-10-31 05:22:33 C 03 52 18.089 -49 13 39.11 V W68
2025-10-31 05:26:43 C 03 52 19.210 -49 13 52.43 V W68
2025-10-31 05:30:41 C 03 52 20.299 -49 14 05.35 V W68
2025-10-31 05:38:06 C 03 52 22.342 -49 14 29.00 V W68
2025-11-03 04:48:55 C 04 12 30.185 -52 30 40.97 V W68
2025-11-03 04:52:50 C 04 12 31.207 -52 30 50.54 V W68
2025-11-03 05:21:52 C 04 12 38.623 -52 31 59.84 V W68
2025-11-03 05:30:25 C 04 12 40.829 -52 32 20.33 V W68
2025-11-04 04:34:43 C 04 18 55.102 -53 24 12.28 V W68
2025-11-04 04:38:48 C 04 18 56.100 -53 24 20.99 V W68
2025-11-04 04:52:43 C 04 18 59.546 -53 24 51.48 V W68
2025-11-06 04:29:14 C 04 31 19.150 -54 56 55.46 V W68
2025-11-06 04:43:44 C 04 31 22.567 -54 57 21.82 V W68
2025-11-06 04:49:06 C 04 31 23.794 -54 57 31.18 V W68
2025-11-06 04:56:27 C 04 31 25.558 -54 57 44.14 V W68
2025-11-09 04:14:12 C 04 48 29.690 -56 44 13.42 V W68
2025-11-09 04:18:06 C 04 48 30.514 -56 44 18.82 V W68
2025-11-09 04:38:07 C 04 48 34.759 -56 44 45.24 V W68
2025-11-09 04:45:25 C 04 48 36.324 -56 44 54.78 V W68
2025-11-10 05:10:31 C 04 54 02.556 -57 14 13.96 V W68
2025-11-10 05:49:04 C 04 54 10.385 -57 14 58.63 V W68
2025-11-10 06:04:32 C 04 54 13.548 -57 15 15.91 V W68
2025-11-10 06:09:54 C 04 54 14.657 -57 15 22.28 V W68
2025-11-10 22:11:33 C 04 57 43.692 -57 32 45.46 V M22
2025-11-10 22:15:29 C 04 57 44.479 -57 32 49.74 V M22
2025-11-10 23:02:12 C 04 57 53.729 -57 33 40.64 V M22
2025-11-10 23:09:28 C 04 57 55.193 -57 33 48.42 V M22
2025-11-12 06:45:41 C 05 04 26.885 -58 04 32.48 V W68
2025-11-12 06:50:26 C 05 04 27.751 -58 04 36.66 V W68
2025-11-12 06:58:55 C 05 04 29.357 -58 04 44.29 V W68
2025-11-12 07:49:17 C 05 04 38.779 -58 05 27.89 V W68
2025-11-13 08:05:06 C 05 09 26.177 -58 25 58.73 V W68
2025-11-13 08:07:05 C 05 09 26.515 -58 26 00.20 V W68
2025-11-13 08:27:13 C 05 09 30.158 -58 26 15.32 V W68
2025-11-14 01:09:07 C 05 12 42.216 -58 39 02.12 V M22
2025-11-14 01:41:41 C 05 12 47.909 -58 39 25.02 V M22
2025-11-14 02:21:19 C 05 12 54.778 -58 39 52.56 V M22
2025-11-14 02:25:33 C 05 12 55.474 -58 39 55.66 V M22