171839 (2001 JM1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3106479370 ± 2.44e-08
Semi-major axis (a)1.4605762473 AU ± 1.31e-09
Inclination (i)17.07698708° ± 5.51e-06
Long. of Asc. Node (Ω)226.63828095° ± 4.03e-06
Arg. of Perihelion (ω)321.96253598° ± 7.92e-06
Mean Anomaly (M)342.22376948° ± 1.10e-05
Mean Motion (n)0.5583749489°/day ± 7.49e-10
Perihelion dist (q)1.00685125 AU ± 3.56e-08
Aphelion dist (Q)1.91430125 AU ± 3.57e-08
Orbital Period1.76516924 yr ± 2.37e-09
Physical Parameters
H (abs. magnitude)19.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.373″
Uncertainty0
Orbit TypeApollo
MOID0.045871 AU
Observations Used583
Oppositions10
Arc Total2001-2024
First Observation Used2001-05-12
Last Observation Used2024-07-01
Observations (597)
Date Type RA Dec Mag Band Observatory
2001-06-04 08:15:11 C 15 37 29.52 +25 14 59.2 670
2001-06-04 20:54:04 C 15 38 40.89 +25 17 01.8 c 560
2001-06-04 21:03:37 C 15 38 41.72 +25 17 02.0 c 560
2001-06-04 21:10:28 C 15 38 42.24 +25 17 03.8 c 560
2001-06-04 21:36:07 C 15 38 44.44 +25 17 08.1 c 560
2001-06-07 12:53:09 C 15 44 07.71 +25 22 11.7 360
2001-06-07 12:57:09 C 15 44 07.97 +25 22 11.8 360
2001-06-07 13:00:41 C 15 44 08.24 +25 22 11.6 360
2001-06-07 21:57:11 C 15 44 50.24 +25 22 02.7 118
2001-06-07 21:59:50 C 15 44 50.41 +25 22 01.7 118
2001-06-07 22:04:31 C 15 44 50.76 +25 22 02.3 118
2001-06-11 06:37:41 C 15 50 49.15 +25 15 25.7 670
2001-06-11 08:06:51 C 15 50 54.48 +25 15 09.5 670
2001-06-11 21:49:12 C 15 51 52.08 +25 12 47.4 c 560
2001-06-11 21:59:17 C 15 51 52.75 +25 12 46.5 c 560
2001-06-11 22:06:56 C 15 51 53.13 +25 12 43.9 c 560
2001-06-13 00:35:34 C 15 53 38.32 +25 07 28.4 118
2001-06-13 00:44:35 C 15 53 38.84 +25 07 25.5 118
2001-06-20 20:34:43 C 16 04 53.46 +24 05 27.2 c 493
2001-06-20 20:43:58 C 16 04 53.90 +24 05 23.5 c 493
2001-06-25 22:22:05 C 16 11 22.89 +23 06 56.9 587
2001-06-25 22:51:15 C 16 11 24.29 +23 06 42.2 587
2001-06-30 06:30:19 C 16 16 44.95 +22 09 00.9 19.1 c 644
2001-06-30 06:45:33 C 16 16 45.65 +22 08 51.8 18.8 c 644
2001-06-30 07:00:59 C 16 16 46.36 +22 08 42.6 19.1 c 644
2003-07-31 14:55:02 C 22 58 12.954 +27 34 27.56 o 568
2003-07-31 15:01:49 C 22 58 12.683 +27 34 28.76 o 568
2003-08-22 20:46:26 C 22 29 55.81 +26 51 13.2 c 540
2003-08-23 20:47:24 C 22 28 24.40 +26 41 51.0 c 540
2003-08-23 21:37:24 C 22 28 21.05 +26 41 31.1 c 540
2005-09-25 07:12:22 C 01 34 35.44 +28 02 17.2 d 291
2005-09-25 07:18:54 C 01 34 35.06 +28 02 14.2 d 291
2005-09-25 07:24:57 C 01 34 34.78 +28 02 12.6 d 291
2007-10-05 08:02:09 C 05 15 32.05 +22 40 36.0 o 291
2007-10-05 08:08:03 C 05 15 32.31 +22 40 33.9 o 291
2007-10-05 08:13:56 C 05 15 32.57 +22 40 30.9 o 291
2007-11-17 11:05:12 C 05 18 56.72 +10 00 13.3 o 291
2007-11-17 11:12:45 C 05 18 56.37 +10 00 04.9 o 291
2007-11-17 11:33:48 C 05 18 55.39 +09 59 41.4 o 291
2007-12-05 06:42:02 C 04 52 47.13 +01 23 25.9 r 703
2007-12-05 06:56:28 C 04 52 45.98 +01 23 08.2 r 703
2007-12-05 07:10:51 C 04 52 44.79 +01 22 49.1 r 703
2007-12-05 07:25:16 C 04 52 43.71 +01 22 32.0 r 703
2008-01-19 04:58:50 C 03 54 40.85 -11 33 18.4 r 448
2008-01-19 05:32:59 C 03 54 40.46 -11 33 21.5 r 448
2008-01-20 03:32:30 C 03 54 34.80 -11 36 07.9 r 448
2008-01-20 04:08:00 C 03 54 34.52 -11 36 10.9 r 448
2008-01-20 04:43:45 C 03 54 34.25 -11 36 15.2 r 448
2008-03-20 02:29:52 C 05 14 35.74 -06 52 26.7 r 448
2008-03-20 03:14:57 C 05 14 40.33 -06 52 11.8 r 448