173664 (2001 JU2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2689150864 ± 2.58e-08
Semi-major axis (a)1.5173820080 AU ± 1.70e-09
Inclination (i)4.01535308° ± 4.63e-06
Long. of Asc. Node (Ω)100.73750864° ± 4.39e-05
Arg. of Perihelion (ω)227.31390963° ± 4.50e-05
Mean Anomaly (M)336.69822605° ± 9.24e-06
Mean Motion (n)0.5273147030°/day ± 8.88e-10
Perihelion dist (q)1.10933509 AU ± 3.91e-08
Aphelion dist (Q)1.92542892 AU ± 3.92e-08
Orbital Period1.86914243 yr ± 3.15e-09
Physical Parameters
H (abs. magnitude)19.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.442″
Uncertainty0
Orbit TypeAmor
MOID0.107458 AU
Observations Used279
Oppositions11
Arc Total2001-2025
First Observation Used2001-05-15
Last Observation Used2025-03-01
Observations (288)
Date Type RA Dec Mag Band Observatory
2003-06-08 18:56:03 C 22 35 53.68 -08 42 54.1 c 413
2003-06-08 18:58:26 C 22 35 54.10 -08 42 52.6 c 413
2003-06-08 19:00:50 C 22 35 54.49 -08 42 51.4 c 413
2003-08-07 17:18:31 C 02 44 23.08 +06 07 07.0 c 474
2003-08-07 17:22:07 C 02 44 23.62 +06 07 08.7 c 474
2003-08-07 17:24:37 C 02 44 23.90 +06 07 09.2 c 474
2003-08-07 17:26:47 C 02 44 24.18 +06 07 10.4 c 474
2003-08-07 17:28:46 C 02 44 24.48 +06 07 11.5 c 474
2003-10-21 09:49:44 C 04 35 42.51 +09 13 25.8 20.5 c 704
2003-10-21 10:06:35 C 04 35 41.74 +09 13 25.5 20.0 c 704
2003-10-21 10:23:38 C 04 35 40.92 +09 13 25.8 19.9 c 704
2003-10-23 08:57:28 C 04 33 44.50 +09 14 49.7 o 704
2003-10-23 09:14:22 C 04 33 43.66 +09 14 49.8 o 704
2003-10-23 09:20:01 C 04 33 43.40 +09 14 50.0 19.2 c 704
2003-10-23 09:31:12 C 04 33 42.79 +09 14 51.2 o 704
2003-10-23 09:38:02 C 04 33 42.51 +09 14 51.1 19.4 c 704
2003-10-23 09:47:52 C 04 33 42.00 +09 14 51.4 o 704
2003-10-23 09:55:22 C 04 33 41.61 +09 14 51.5 19.4 c 704
2003-10-23 10:12:54 C 04 33 40.71 +09 14 52.4 19.3 c 704
2003-10-23 10:30:05 C 04 33 39.85 +09 14 52.4 19.2 c 704
2003-10-29 08:59:40 C 04 26 11.40 +09 21 38.4 o 699
2003-10-29 09:18:53 C 04 26 10.00 +09 21 40.2 o 699
2003-10-29 09:38:11 C 04 26 08.71 +09 21 41.6 o 699
2003-10-29 09:57:21 C 04 26 07.56 +09 21 44.5 o 699
2003-11-01 07:32:26 C 04 21 46.75 +09 26 40.4 19.1 c 704
2003-11-01 07:49:47 C 04 21 45.46 +09 26 41.1 19.2 c 704
2003-11-01 08:06:57 C 04 21 44.18 +09 26 42.9 19.4 c 704
2003-11-01 08:24:22 C 04 21 42.94 +09 26 44.1 19.6 c 704
2003-11-18 08:06:39 C 03 51 55.36 +10 19 30.3 18.3 c 644
2003-11-18 08:42:57 C 03 51 52.48 +10 19 36.9 17.7 c 644
2003-11-18 09:32:57 C 03 51 48.62 +10 19 45.6 18.1 c 644
2003-11-19 07:09:28 C 03 50 15.03 +10 23 40.5 o 699
2003-11-19 07:32:20 C 03 50 13.26 +10 23 45.0 o 699
2003-11-19 07:55:07 C 03 50 11.50 +10 23 48.7 o 699
2003-11-19 08:17:40 C 03 50 09.78 +10 23 52.5 o 699
2003-11-30 06:14:04 C 03 33 22.96 +11 20 00.1 19.6 c 704
2003-11-30 06:32:33 C 03 33 21.90 +11 20 04.1 19.5 c 704
2003-11-30 07:09:27 C 03 33 19.74 +11 20 13.1 19.5 c 704
2003-11-30 07:28:01 C 03 33 18.65 +11 20 17.7 19.7 c 704
2005-12-04 09:35:39 C 07 31 56.28 +19 55 27.1 r G96
2005-12-04 09:46:02 C 07 31 55.84 +19 55 29.0 r G96
2005-12-04 09:56:27 C 07 31 55.34 +19 55 31.6 r G96
2005-12-04 10:06:48 C 07 31 54.84 +19 55 33.8 r G96
2006-01-30 02:11:14 C 06 07 03.15 +24 52 01.0 c 691
2006-01-30 03:00:07 C 06 07 01.79 +24 52 06.5 c 691
2006-01-30 03:34:31 C 06 07 00.76 +24 52 09.0 c 691
2007-12-31 10:00:55 C 09 20 17.88 +17 53 27.1 o 691
2007-12-31 10:26:19 C 09 20 16.77 +17 53 36.3 o 691
2008-01-13 08:34:53 C 09 04 57.59 +19 48 44.4 o 691
2008-01-13 09:00:17 C 09 04 56.00 +19 48 55.0 o 691