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
2018-09-14 11:05:37 C 04 29 02.76 -05 51 40.6 V G96
2018-09-14 11:10:28 C 04 29 02.99 -05 51 41.3 o 691
2018-09-14 11:13:01 C 04 29 03.12 -05 51 41.9 V G96
2018-09-14 11:20:26 C 04 29 03.51 -05 51 43.5 V G96
2018-09-14 11:27:49 C 04 29 03.86 -05 51 43.8 V G96
2018-09-18 02:28:24 C 04 33 25.87 -06 02 50.4 q K77
2018-09-18 02:33:31 C 04 33 26.11 -06 02 50.8 q K77
2018-09-21 10:03:02 C 04 37 13.26 -06 13 27.3 V 703
2018-09-21 10:10:57 C 04 37 13.67 -06 13 26.8 V 703
2018-09-21 10:18:53 C 04 37 14.02 -06 13 28.9 V 703
2018-09-21 10:26:49 C 04 37 14.38 -06 13 30.5 V 703
2018-10-06 04:26:11 C 04 51 17.95 -07 02 36.5 q J22
2018-10-06 04:31:49 C 04 51 18.12 -07 02 37.5 q J22
2018-10-06 04:37:26 C 04 51 18.27 -07 02 38.2 q J22
2018-10-06 10:43:15 C 04 51 30.07 -07 03 28.5 V 703
2018-10-06 10:50:51 C 04 51 30.28 -07 03 29.3 V 703
2018-10-06 10:58:26 C 04 51 30.63 -07 03 29.8 V 703
2018-10-08 01:41:51 C 04 52 42.98 -07 08 36.4 q 215
2018-10-08 01:45:33 C 04 52 43.08 -07 08 36.7 q 215
2018-10-08 01:49:16 C 04 52 43.18 -07 08 37.1 q 215
2018-10-10 10:17:13 C 04 54 20.91 -07 15 42.8 V 703
2018-10-10 10:24:51 C 04 54 21.15 -07 15 45.2 V 703
2018-10-10 10:32:30 C 04 54 21.36 -07 15 44.6 V 703
2018-10-10 10:40:08 C 04 54 21.60 -07 15 48.1 V 703
2018-10-13 01:35:35 C 04 55 59.14 -07 23 10.5 q 585
2018-10-13 01:36:36 C 04 55 59.16 -07 23 10.6 q 585
2018-10-13 01:37:37 C 04 55 59.18 -07 23 10.7 q 585
2018-10-13 01:38:38 C 04 55 59.20 -07 23 11.0 q 585
2018-10-13 01:39:39 C 04 55 59.23 -07 23 10.9 q 585
2018-10-13 01:40:41 C 04 55 59.24 -07 23 11.1 q 585
2018-10-13 01:41:42 C 04 55 59.27 -07 23 11.6 q 585
2018-10-13 01:42:43 C 04 55 59.29 -07 23 11.7 q 585
2018-10-13 01:43:45 C 04 55 59.32 -07 23 11.6 q 585
2018-10-13 01:44:45 C 04 55 59.34 -07 23 11.7 q 585
2018-10-13 01:45:46 C 04 55 59.37 -07 23 11.8 q 585
2018-10-13 01:46:48 C 04 55 59.38 -07 23 12.0 q 585
2018-10-13 01:47:49 C 04 55 59.41 -07 23 12.3 q 585
2018-10-13 03:00:16 C 04 56 01.36 -07 23 18.4 q J22
2018-10-13 03:05:55 C 04 56 01.49 -07 23 19.0 q J22
2018-10-13 03:11:33 C 04 56 01.64 -07 23 19.5 q J22
2018-10-15 01:49:54 C 04 57 05.74 -07 28 22.3 q 585
2018-10-15 01:51:56 C 04 57 05.79 -07 28 22.6 q 585
2018-10-15 01:53:58 C 04 57 05.82 -07 28 22.8 q 585
2018-10-15 01:56:01 C 04 57 05.86 -07 28 23.1 q 585
2018-10-15 01:58:03 C 04 57 05.89 -07 28 23.4 q 585
2018-10-15 02:00:04 C 04 57 05.94 -07 28 23.7 q 585
2018-10-15 02:02:06 C 04 57 05.98 -07 28 24.0 q 585
2018-10-15 02:04:08 C 04 57 06.02 -07 28 24.2 q 585
2018-10-22 01:15:42 C 04 59 58.77 -07 42 05.9 q C10
2018-10-22 01:44:35 C 04 59 59.10 -07 42 07.3 q C10