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
2025-09-28 01:32:49 B 00 33 05.047 +30 46 21.76 X J51
2025-09-28 01:44:41 B 00 33 06.571 +30 45 47.92 X J51
2025-09-29 08:32:30 C 00 37 33.560 +29 12 19.12 V 703
2025-09-29 08:35:52 C 00 37 34.021 +29 12 08.21 V 703
2025-09-29 08:39:13 C 00 37 34.489 +29 11 57.62 V 703
2025-09-29 08:42:32 C 00 37 34.921 +29 11 46.46 V 703
2025-09-29 11:11:47 C 00 37 57.530 +29 03 54.22 V T05
2025-09-29 11:17:57 C 00 37 58.380 +29 03 33.91 V T05
2025-09-29 11:29:29 C 00 37 59.964 +29 02 49.16 V T05
2025-09-29 12:16:12 C 00 38 06.394 +29 00 23.36 V T05
2025-09-29 20:31:39 C 00 39 24.110 +28 32 48.34 X M26
2025-09-29 20:34:53 C 00 39 24.566 +28 32 37.68 X M26
2025-09-29 20:38:53 C 00 39 25.169 +28 32 24.50 X M26
2025-09-29 20:41:25 C 00 39 25.538 +28 32 16.40 X M26
2025-09-30 06:26:40 C 00 40 54.959 +27 59 08.99 V 703
2025-09-30 06:33:32 C 00 40 55.686 +27 58 44.08 V 703
2025-09-30 06:37:03 C 00 40 56.212 +27 58 31.91 V 703
2025-09-30 11:16:27 C 00 41 38.537 +27 42 20.41 V T05
2025-09-30 11:24:12 C 00 41 39.653 +27 41 52.87 V T05
2025-09-30 11:28:26 C 00 41 40.255 +27 41 37.72 V T05
2025-09-30 11:57:45 C 00 41 44.479 +27 39 53.17 V T05
2025-09-30 17:38:59 B 00 42 41.45 +27 19 00.2 X G02
2025-09-30 17:49:59 B 00 42 43.15 +27 18 20.8 X G02
2025-09-30 18:00:43 B 00 42 44.83 +27 17 42.7 X G02
2025-09-30 18:33:42 C 00 42 46.43 +27 16 00.8 V D29
2025-09-30 18:46:10 B 00 42 51.903 +27 14 57.98 W G34
2025-09-30 18:48:41 B 00 42 52.298 +27 14 48.92 W G34
2025-09-30 18:51:12 B 00 42 52.676 +27 14 39.88 W G34
2025-09-30 18:53:44 B 00 42 53.072 +27 14 31.03 W G34
2025-09-30 18:54:03 C 00 42 49.46 +27 14 45.7 V D29
2025-09-30 18:56:15 B 00 42 53.480 +27 14 21.83 W G34
2025-09-30 19:14:25 C 00 42 52.53 +27 13 30.7 V D29
2025-09-30 20:05:49 C 00 43 04.332 +27 10 09.70 Z C23
2025-09-30 20:51:57 C 00 43 11.405 +27 07 22.91 Z C23
2025-09-30 22:07:45 C 00 43 22.932 +27 02 46.75 Z C23
2025-10-01 06:23:25 C 00 44 42.605 +26 32 09.96 V 703
2025-10-01 06:26:41 C 00 44 43.112 +26 31 57.61 V 703
2025-10-01 06:29:58 C 00 44 43.602 +26 31 45.19 V 703
2025-10-01 06:33:14 C 00 44 44.092 +26 31 32.88 V 703
2025-10-01 11:08:31 C 00 45 27.746 +26 14 09.49 V T05
2025-10-01 11:12:39 C 00 45 28.375 +26 13 53.51 V T05
2025-10-01 11:21:57 C 00 45 29.770 +26 13 17.54 V T05
2025-10-01 12:13:17 C 00 45 37.510 +26 09 57.78 V T05
2025-10-01 21:45:05 B 00 47 14.393 +25 32 09.60 V 160
2025-10-01 21:48:28 B 00 47 14.916 +25 31 56.14 V 160
2025-10-01 21:51:46 B 00 47 15.439 +25 31 42.89 V 160
2025-10-01 23:11:30 B 00 47 28.406 +25 26 20.04 q Y84
2025-10-01 23:15:51 B 00 47 29.090 +25 26 02.98 q Y84
2025-10-01 23:20:11 B 00 47 29.777 +25 25 45.41 q Y84
2025-10-02 07:12:17 C 00 48 49.000 +24 53 50.53 V 703