171P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2018-04-24 (JD 2458232.5)
Eccentricity (e)0.5019570017 ± 1.25e-07
Semi-major axis (a)3.5582083748 AU ± 6.48e-08
Inclination (i)21.93292046° ± 1.57e-05
Long. of Asc. Node (Ω)101.69970629° ± 2.31e-05
Arg. of Perihelion (ω)347.16355376° ± 8.33e-05
Mean Anomaly (M)321.12416402° ± 2.51e-05
Mean Motion (n)0.1468470444°/day ± 4.01e-09
Perihelion dist (q)1.77214077 AU ± 4.47e-07
Aphelion dist (Q)5.34427598 AU ± 4.57e-07
Orbital Period6.71192456 yr ± 1.83e-07
NGA Modelg(r)
A1-1.59975403e-09 ± 1.57e-10 AU/d²
A2-1.79469031e-09 ± 1.14e-12 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-05-30
RMS Residual0.842″
Uncertainty0
Orbit TypeMBA
MOID0.793125 AU
Observations Used904
Oppositions24
Arc Total1998-2026
First Observation Used1998-11-13
Last Observation Used2025-09-30
Observations (960)
Date Type RA Dec Mag Band Observatory
2019-01-16 07:50:54 C 04 21 24.84 +13 35 55.3 V T05
2019-01-16 07:58:33 C 04 21 24.89 +13 36 03.3 V T05
2019-01-16 07:59:12 C 04 21 24.87 +13 36 03.9 V T05
2019-01-16 08:18:20 C 04 21 25.04 +13 36 24.1 V T05
2019-01-20 18:37:35 C 04 22 59.63 +15 24 43.4 q C23
2019-01-20 18:47:58 C 04 22 59.88 +15 24 55.9 q C23
2019-01-20 18:53:10 C 04 22 59.91 +15 24 59.0 q C23
2019-01-20 20:13:14 C 04 23 01.25 +15 26 20.7 Q B96
2019-01-20 20:22:39 C 04 23 01.49 +15 26 25.5 Q B96
2019-01-20 20:29:43 C 04 23 01.65 +15 26 35.1 Q B96
2019-01-22 09:21:18 C 04 23 45.750 +16 03 23.69 U F52
2019-01-22 09:38:57 C 04 23 46.093 +16 03 41.45 U F52
2019-01-22 09:56:37 C 04 23 46.439 +16 03 58.23 U F52
2019-01-22 10:14:18 C 04 23 46.786 +16 04 15.89 U F52
2019-01-23 20:02:55 C 04 24 33.55 +16 37 31.9 U G40
2019-01-23 20:12:41 C 04 24 33.78 +16 37 41.3 U G40
2019-01-23 21:00:03 C 04 24 34.72 +16 38 23.4 q I81
2019-01-23 21:05:16 C 04 24 34.84 +16 38 28.9 q I81
2019-01-23 21:10:28 C 04 24 34.95 +16 38 34.1 q I81
2019-01-24 07:48:47 C 04 24 50.49 +16 49 01.0 V T05
2019-01-24 08:02:43 C 04 24 50.78 +16 49 15.0 V T05
2019-01-24 08:20:16 C 04 24 51.17 +16 49 32.1 V T05
2019-01-24 08:35:18 C 04 24 51.50 +16 49 45.9 V T05
2019-01-24 18:25:31 C 04 25 06.76 +16 59 17.4 q A77
2019-01-24 18:33:13 C 04 25 07.03 +16 59 24.4 q A77
2019-01-24 18:41:04 C 04 25 07.19 +16 59 33.5 q A77
2019-01-24 19:40:01 C 04 25 08.45 +17 00 28.0 q 585
2019-01-24 19:41:02 C 04 25 08.48 +17 00 28.9 q 585
2019-01-24 19:42:04 C 04 25 08.51 +17 00 29.7 q 585
2019-01-24 19:43:04 C 04 25 08.56 +17 00 30.6 q 585
2019-01-24 19:44:05 C 04 25 08.56 +17 00 31.3 q 585
2019-01-24 19:45:56 C 04 25 08.59 +17 00 33.2 q 585
2019-01-24 19:47:47 C 04 25 08.63 +17 00 34.8 q 585
2019-01-24 19:49:37 C 04 25 08.68 +17 00 36.7 q 585
2019-01-24 19:51:28 C 04 25 08.72 +17 00 38.4 q 585
2019-01-24 19:53:18 C 04 25 08.75 +17 00 40.3 q 585
2019-01-24 19:55:08 C 04 25 08.78 +17 00 42.1 q 585
2019-01-24 19:56:59 C 04 25 08.83 +17 00 43.7 q 585
2019-01-24 19:58:49 C 04 25 08.85 +17 00 45.9 q 585
2019-01-24 20:00:40 C 04 25 08.89 +17 00 47.6 q 585
2019-01-24 20:02:30 C 04 25 08.93 +17 00 49.4 q 585
2019-01-25 19:43:06 C 04 25 46.73 +17 23 42.9 q 160
2019-01-25 19:46:42 C 04 25 46.85 +17 23 42.7 q 160
2019-01-25 19:50:19 C 04 25 46.99 +17 23 48.0 q 160
2019-01-27 09:19:40 C 04 26 51.40 +17 59 39.1 q E94
2019-01-27 09:27:53 C 04 26 51.48 +17 59 47.9 q E94
2019-01-27 09:36:06 C 04 26 51.73 +17 59 55.6 q E94
2019-01-29 13:09:54 C 04 28 29.80 +18 47 57.7 q Q11
2019-01-29 13:22:12 C 04 28 30.19 +18 48 09.0 q Q11
2019-01-29 13:28:24 C 04 28 30.40 +18 48 14.2 q Q11