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
2018-12-24 09:35:16 C 04 26 14.67 +03 53 08.2 V T08
2018-12-24 09:46:56 C 04 26 14.35 +03 53 20.0 V T08
2018-12-24 09:58:34 C 04 26 14.02 +03 53 32.3 V T08
2018-12-24 18:50:36 C 04 26 00.70 +04 02 33.5 q C23
2018-12-24 18:54:45 C 04 26 00.62 +04 02 38.1 q C23
2018-12-24 18:58:54 C 04 26 00.51 +04 02 41.7 q C23
2018-12-25 12:32:06 C 04 25 33.67 +04 20 48.7 S D88
2018-12-25 12:36:59 C 04 25 33.54 +04 20 54.3 S D88
2018-12-25 21:27:25 C 04 25 20.41 +04 30 02.5 a 233
2018-12-25 21:34:12 C 04 25 20.30 +04 30 10.8 a 233
2018-12-25 21:40:01 C 04 25 20.21 +04 30 16.5 a 233
2018-12-25 21:46:22 C 04 25 19.90 +04 30 22.1 a 233
2018-12-25 21:51:48 C 04 25 19.70 +04 30 27.4 a 233
2018-12-25 21:55:21 C 04 25 19.75 +04 30 32.7 q 160
2018-12-25 21:58:48 C 04 25 19.64 +04 30 35.5 q 160
2018-12-25 22:02:28 C 04 25 19.53 +04 30 39.2 q 160
2018-12-26 09:21:49 C 04 25 03.21 +04 42 28.6 V T05
2018-12-26 09:33:52 C 04 25 02.91 +04 42 40.9 V T05
2018-12-26 09:45:59 C 04 25 02.56 +04 42 53.6 V T05
2018-12-26 09:57:46 C 04 25 02.27 +04 43 05.6 V T05
2018-12-26 22:18:46 C 04 24 45.09 +04 55 54.7 q 160
2018-12-26 22:22:25 C 04 24 44.99 +04 55 58.5 q 160
2018-12-26 22:26:04 C 04 24 44.88 +04 56 02.1 q 160
2018-12-27 20:04:52 C 04 24 16.15 +05 18 43.2 q K81
2018-12-27 20:15:57 C 04 24 15.85 +05 18 54.9 q K81
2018-12-27 21:41:46 C 04 24 13.87 +05 20 25.1 q K81
2018-12-27 21:52:52 C 04 24 13.60 +05 20 37.0 q K81
2018-12-27 22:08:29 C 04 24 13.52 +05 20 55.0 q J22
2018-12-27 22:14:19 C 04 24 13.40 +05 21 00.9 q J22
2018-12-27 22:19:57 C 04 24 13.26 +05 21 07.3 q J22
2018-12-28 09:13:29 C 04 23 59.10 +05 32 35.7 V T08
2018-12-28 09:25:15 C 04 23 58.80 +05 32 48.3 V T08
2018-12-28 09:49:02 C 04 23 58.27 +05 33 13.4 V T08
2018-12-28 18:45:53 C 04 23 47.67 +05 42 36.4 q K81
2018-12-28 18:57:00 C 04 23 47.38 +05 42 48.3 q K81
2018-12-28 19:00:27 C 04 23 47.34 +05 42 52.1 Q C35
2018-12-28 19:09:15 C 04 23 47.20 +05 43 00.7 Q C35
2018-12-28 19:16:39 C 04 23 47.03 +05 43 07.6 Q C35
2018-12-28 19:24:27 C 04 23 46.90 +05 43 16.7 Q C35
2018-12-28 19:33:56 C 04 23 46.68 +05 43 27.0 Q C35
2018-12-28 19:50:26 C 04 23 46.36 +05 43 42.7 Q C35
2018-12-28 21:02:00 C 04 23 44.88 +05 44 59.5 Q Z55
2018-12-28 21:03:42 C 04 23 44.87 +05 45 00.4 Q Z55
2018-12-28 21:04:40 C 04 23 44.72 +05 45 03.6 Q Z55
2018-12-28 21:05:40 C 04 23 44.74 +05 45 04.2 Q Z55
2018-12-29 19:29:57 C 04 23 18.41 +06 08 46.4 q K81
2018-12-29 20:36:48 C 04 23 17.00 +06 09 57.6 q K81
2018-12-29 20:55:15 C 04 23 16.73 +06 10 14.4 Q C35
2018-12-29 21:14:19 C 04 23 16.29 +06 10 36.8 Q C35
2018-12-29 21:23:50 C 04 23 16.06 +06 10 45.6 Q C35