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
2025-10-02 07:15:34 C 00 48 49.507 +24 53 37.00 V 703
2025-10-02 07:18:50 C 00 48 50.036 +24 53 23.50 V 703
2025-10-02 07:22:06 C 00 48 50.540 +24 53 10.03 V 703
2025-10-02 20:50:03 C 00 51 09.595 +23 55 54.44 X S89
2025-10-02 20:51:35 C 00 51 09.842 +23 55 48.11 X S89
2025-10-02 20:53:07 C 00 51 10.121 +23 55 41.41 X S89
2025-10-02 20:54:37 C 00 51 10.354 +23 55 34.93 X S89
2025-10-02 20:56:09 C 00 51 10.615 +23 55 28.60 X S89
2025-10-02 23:27:02 B 00 51 36.607 +23 44 23.39 W M07
2025-10-03 00:18:25 B 00 51 45.151 +23 40 37.56 W M07
2025-10-03 05:03:44 C 00 52 37.506 +23 19 46.81 V 703
2025-10-03 05:07:01 C 00 52 38.046 +23 19 32.16 V 703
2025-10-03 05:10:18 C 00 52 38.597 +23 19 17.76 V 703
2025-10-03 05:13:35 C 00 52 39.148 +23 19 03.29 V 703
2025-10-03 08:53:41 C 00 53 17.851 +23 02 44.20 V T05
2025-10-03 09:14:00 C 00 53 21.202 +23 01 12.90 V T05
2025-10-03 09:19:20 C 00 53 22.073 +23 00 48.78 V T05
2025-10-03 09:27:32 C 00 53 23.422 +23 00 11.81 V T05
2025-10-03 23:56:56 B 00 56 00.245 +21 52 44.04 X J51
2025-10-04 00:07:44 B 00 56 02.074 +21 51 52.96 X J51
2025-10-04 00:18:32 B 00 56 03.912 +21 51 01.76 X J51
2025-10-04 06:21:56 C 00 57 10.796 +21 21 47.27 V 703
2025-10-04 06:25:16 C 00 57 11.372 +21 21 31.14 V 703
2025-10-04 06:28:36 C 00 57 11.948 +21 21 15.05 V 703
2025-10-04 06:31:56 C 00 57 12.528 +21 20 58.85 V 703
2025-10-04 08:38:52 C 00 57 36.845 +21 10 47.03 V T05
2025-10-04 08:42:51 C 00 57 37.536 +21 10 27.59 V T05
2025-10-04 08:46:51 C 00 57 38.230 +21 10 08.11 V T05
2025-10-04 08:54:14 C 00 57 39.490 +21 09 32.29 V T05
2025-10-04 11:03:39 C 00 58 01.685 +20 58 56.86 V T08
2025-10-04 11:38:54 C 00 58 07.750 +20 56 01.82 V T08
2025-10-04 11:46:14 C 00 58 09.014 +20 55 25.50 V T08
2025-10-04 11:51:18 C 00 58 09.895 +20 55 00.19 V T08
2025-10-04 19:35:36 B 00 59 38.998 +20 16 06.20 W M73
2025-10-04 19:42:43 B 00 59 40.234 +20 15 30.02 W M73
2025-10-04 19:48:20 B 00 59 41.215 +20 15 01.51 W M73
2025-10-05 20:26:42 B 01 04 28.126 +18 04 09.88 V 160
2025-10-05 20:29:50 B 01 04 28.730 +18 03 52.70 V 160
2025-10-05 20:33:00 B 01 04 29.326 +18 03 35.60 V 160
2025-10-09 18:01:04 C 01 24 26.652 +08 11 37.86 V L54
2025-10-09 18:54:00 C 01 24 38.510 +08 05 20.80 V L54
2025-10-09 19:51:00 C 01 24 51.221 +07 58 33.24 V L54
2025-10-11 01:13:23 C 01 31 43.762 +04 21 11.12 V R17
2025-10-11 01:33:01 C 01 31 48.168 +04 18 41.08 V R17
2025-10-11 01:52:43 C 01 31 52.594 +04 16 10.60 V R17
2025-10-11 02:12:28 C 01 31 57.038 +04 13 39.50 V R17
2025-10-12 01:24:36 C 01 37 38.016 +01 12 26.75 V R17
2025-10-12 01:44:20 C 01 37 42.598 +01 09 49.68 V R17
2025-10-12 02:04:02 C 01 37 47.184 +01 07 12.58 V R17
2025-10-12 02:23:46 C 01 37 51.782 +01 04 35.26 V R17