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
2016-03-29 03:51:11 C 11 48 38.33 -09 34 32.9 L W84
2016-03-31 03:56:57 C 11 46 43.80 -09 00 24.8 L W84
2016-03-31 04:01:33 C 11 46 43.62 -09 00 21.6 L W84
2016-03-31 04:06:10 C 11 46 43.43 -09 00 18.3 L W84
2016-03-31 04:10:49 C 11 46 43.24 -09 00 15.0 L W84
2016-03-31 04:15:23 C 11 46 43.05 -09 00 11.8 L W84
2016-04-02 07:48:10 C 11 44 45.838 -08 24 08.97 L F51
2016-04-02 08:06:08 C 11 44 45.143 -08 23 56.58 L F51
2016-04-02 08:24:07 C 11 44 44.462 -08 23 43.93 L F51
2016-04-02 08:42:05 C 11 44 43.760 -08 23 31.58 L F51
2016-04-15 03:18:30 C 11 35 21.15 -05 04 53.9 u H21
2016-04-15 03:41:19 C 11 35 20.61 -05 04 40.5 u H21
2016-04-15 03:58:53 C 11 35 20.17 -05 04 29.8 u H21
2016-06-01 06:17:52 C 11 36 21.94 +01 11 06.4 1 T09
2016-06-01 06:38:19 C 11 36 22.35 +01 11 08.5 1 T09
2016-06-01 07:17:15 C 11 36 23.16 +01 11 12.5 1 T09
2016-06-01 07:58:16 C 11 36 23.99 +01 11 16.6 1 T09
2018-08-07 05:11:02 C 19 45 54.18 +25 46 47.7 U I41
2018-08-07 05:35:11 C 19 45 52.76 +25 46 40.8 U I41
2018-08-07 05:51:58 C 19 45 51.78 +25 46 36.5 U I41
2018-08-07 06:38:51 C 19 45 49.08 +25 46 23.9 U I41
2018-08-07 06:53:34 C 19 45 48.22 +25 46 19.5 U I41
2018-08-07 06:54:53 C 19 45 48.15 +25 46 19.2 U I41
2018-08-07 06:57:35 C 19 45 48.02 +25 46 18.7 U I41
2018-08-07 07:00:14 C 19 45 47.85 +25 46 18.3 U I41
2018-08-07 07:01:36 C 19 45 47.74 +25 46 18.1 U I41
2018-08-07 07:04:16 C 19 45 47.59 +25 46 17.4 U I41
2018-08-07 07:13:39 C 19 45 47.05 +25 46 14.5 U I41
2018-08-07 07:16:19 C 19 45 46.89 +25 46 13.9 U I41
2018-08-07 07:17:40 C 19 45 46.81 +25 46 13.4 U I41
2018-08-07 07:23:00 C 19 45 46.52 +25 46 12.1 U I41
2018-08-07 07:27:02 C 19 45 46.28 +25 46 10.9 U I41
2025-07-03 11:22:59 C 22 35 21.024 +27 52 15.38 X F52
2025-07-03 11:40:22 C 22 35 21.818 +27 52 28.46 X F52
2025-07-03 11:57:45 C 22 35 22.617 +27 52 41.57 X F52
2025-07-03 12:15:07 C 22 35 23.420 +27 52 54.39 X F52
2025-08-12 13:18:37 C 23 17 19.095 +38 37 20.11 X F51
2025-08-12 13:32:03 C 23 17 19.601 +38 37 26.89 X F51
2025-08-12 13:45:28 C 23 17 20.120 +38 37 33.53 X F51
2025-08-20 12:15:06 C 23 25 21.610 +40 03 15.88 V T05
2025-08-20 12:27:02 C 23 25 22.051 +40 03 21.28 V T05
2025-08-20 12:38:59 C 23 25 22.502 +40 03 24.88 V T05
2025-08-20 12:50:57 C 23 25 22.944 +40 03 29.20 V T05
2025-08-23 09:13:16 C 23 28 23.179 +40 27 00.18 V T05
2025-08-23 09:25:12 C 23 28 23.645 +40 27 04.50 V T05
2025-08-23 09:37:10 C 23 28 24.127 +40 27 08.21 V T05
2025-08-23 09:49:14 C 23 28 24.624 +40 27 12.78 V T05
2025-08-23 14:26:16 C 23 28 37.07 +40 28 33.3 V D29
2025-08-23 14:47:54 C 23 28 37.95 +40 28 40.4 V D29
2025-08-23 15:09:32 C 23 28 38.83 +40 28 47.6 V D29