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
2001-09-23 10:21:45 C 04 08 52.60 +27 04 33.4 17.4 c 704
2001-09-23 10:22:07 C 04 08 52.67 +27 04 32.5 18.4 c 704
2001-09-23 10:34:16 C 04 08 55.94 +27 03 55.4 18.3 c 704
2001-09-23 11:03:20 C 04 09 03.75 +27 02 28.7 17.6 c 704
2001-09-23 11:27:34 C 04 09 10.74 +27 01 08.7 c 658
2001-09-23 11:30:04 C 04 09 11.37 +27 01 01.5 c 658
2001-09-23 17:57:04 C 04 10 58.30 +26 41 37.7 402
2001-09-23 17:58:58 C 04 10 58.79 +26 41 31.4 402
2001-09-23 18:00:52 C 04 10 59.31 +26 41 25.4 402
2001-09-23 18:02:46 C 04 10 59.81 +26 41 20.3 402
2001-09-24 09:43:02 C 04 15 19.78 +25 52 44.8 18.3 i 704
2001-09-24 10:04:28 C 04 15 25.54 +25 51 37.7 18.3 i 704
2001-09-24 10:05:13 C 04 15 25.76 +25 51 34.8 18.0 i 704
2001-09-24 10:25:54 C 04 15 31.30 +25 50 30.2 18.2 i 704
2001-09-24 10:28:13 C 04 15 31.91 +25 50 22.4 18.2 i 704
2001-09-24 10:38:27 C 04 15 34.61 +25 49 50.4 19.0 i 704
2001-09-24 10:48:31 C 04 15 37.39 +25 49 18.7 18.4 i 704
2001-09-24 10:51:55 C 04 15 38.29 +25 49 07.5 18.2 i 704
2001-09-24 10:59:52 C 04 15 40.39 +25 48 43.2 19.2 i 704
2001-09-24 11:09:57 C 04 15 43.13 +25 48 10.9 18.5 i 704
2001-09-24 11:14:33 C 04 15 44.36 +25 47 55.9 18.4 i 704
2001-09-24 11:21:19 C 04 15 46.15 +25 47 35.3 18.9 i 704
2001-09-24 11:36:16 C 04 15 50.17 +25 46 47.1 18.3 i 704
2001-09-24 12:03:22 C 04 15 57.95 +25 45 14.4 c 658
2001-09-24 12:05:57 C 04 15 58.66 +25 45 05.9 c 658
2001-09-24 12:08:52 C 04 15 59.45 +25 44 56.6 c 658
2001-09-25 09:01:47 C 04 21 46.65 +24 37 11.5 j 918
2001-09-25 09:04:36 C 04 21 47.39 +24 37 02.2 j 918
2001-09-25 09:07:26 C 04 21 48.21 +24 36 52.9 j 918
2001-09-25 09:12:59 C 04 21 49.78 +24 36 34.2 j 918
2001-09-25 09:39:42 C 04 21 57.11 +24 35 12.1 19.1 c 704
2001-09-25 09:47:59 C 04 21 59.34 +24 34 43.9 18.2 c 704
2001-09-25 10:01:03 C 04 22 02.85 +24 34 01.2 18.7 c 704
2001-09-25 10:10:07 C 04 22 05.30 +24 33 30.9 18.3 c 704
2001-09-25 10:22:45 C 04 22 08.70 +24 32 49.2 18.5 c 704
2001-09-25 10:44:13 C 04 22 14.46 +24 31 38.0 18.4 c 704
2001-09-25 10:53:18 C 04 22 16.90 +24 31 07.2 18.5 c 704
2001-09-25 11:05:34 C 04 22 20.22 +24 30 26.9 18.2 c 704
2001-09-25 11:14:23 C 04 22 22.56 +24 29 57.3 18.5 c 704
2001-09-25 11:45:24 C 04 22 31.27 +24 28 13.7 17.5 i 644
2001-09-25 12:01:03 C 04 22 35.46 +24 27 21.6 17.5 i 644
2001-09-25 12:16:45 C 04 22 39.69 +24 26 29.0 17.6 i 644
2001-09-25 16:54:50 C 04 23 57.94 +24 10 52.2 c 344
2001-09-25 17:24:13 C 04 24 05.92 +24 09 13.5 c 344
2001-09-26 11:02:10 C 04 28 58.24 +23 08 43.9 c 670
2001-09-26 12:52:36 C 04 29 27.96 +23 02 19.0 c 670
2001-09-29 02:24:31 C 04 46 25.99 +19 14 20.8 c 046
2001-09-29 02:25:54 C 04 46 26.41 +19 14 15.6 c 046
2001-09-29 02:27:07 C 04 46 26.71 +19 14 10.9 c 046
2001-09-29 02:27:55 C 04 46 26.90 +19 14 08.2 c 046