172678 (2003 YM137)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7028036685 ± 1.62e-08
Semi-major axis (a)2.5581847864 AU ± 3.52e-09
Inclination (i)2.82425543° ± 3.24e-06
Long. of Asc. Node (Ω)73.97533787° ± 7.79e-05
Arg. of Perihelion (ω)131.02647703° ± 7.71e-05
Mean Anomaly (M)62.36269879° ± 1.04e-06
Mean Motion (n)0.2408875799°/day ± 4.97e-10
Perihelion dist (q)0.76028313 AU ± 4.14e-08
Aphelion dist (Q)4.35608644 AU ± 4.19e-08
Orbital Period4.09164426 yr ± 8.44e-09
Physical Parameters
H (abs. magnitude)18.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.317″
Uncertainty0
Orbit TypeApollo
MOID0.015643 AU
Observations Used442
Oppositions17
Arc Total2003-2025
First Observation Used2003-12-21
Last Observation Used2025-08-28
Observations (476)
Date Type RA Dec Mag Band Observatory
2003-12-21 06:54:32 C 08 11 46.328 +22 38 20.98 e 645
2003-12-21 06:59:32 C 08 11 46.326 +22 38 22.07 20.75 e 645
2003-12-21 07:41:36 C 08 11 46.37 +22 38 31.0 c 691
2003-12-21 08:25:22 C 08 11 46.35 +22 38 40.3 c 691
2003-12-21 09:03:45 C 08 11 46.30 +22 38 48.3 c 691
2003-12-27 08:17:31 C 08 11 17.82 +23 13 23.9 19.7 c 704
2003-12-27 08:38:23 C 08 11 17.57 +23 13 29.4 19.7 c 704
2003-12-27 08:58:14 C 08 11 17.31 +23 13 35.6 19.4 c 704
2003-12-27 09:16:58 C 08 11 17.08 +23 13 40.9 19.3 c 704
2003-12-27 09:35:49 C 08 11 16.81 +23 13 46.2 19.2 c 704
2003-12-29 07:16:17 C 08 10 46.74 +23 27 19.9 o 699
2003-12-29 07:40:15 C 08 10 46.37 +23 27 27.2 o 699
2003-12-29 08:04:10 C 08 10 46.00 +23 27 34.5 o 699
2003-12-29 08:28:09 C 08 10 45.53 +23 27 42.4 o 699
2004-01-13 04:19:10 C 07 59 23.45 +26 06 20.6 o 699
2004-01-13 04:48:03 C 07 59 21.76 +26 06 38.6 o 699
2004-01-13 05:16:53 C 07 59 20.10 +26 06 57.1 o 699
2004-01-13 05:45:41 C 07 59 18.36 +26 07 14.3 o 699
2004-01-18 05:19:35 C 07 51 41.99 +27 26 40.8 c 691
2004-01-18 06:06:24 C 07 51 38.25 +27 27 15.9 c 691
2004-01-18 06:53:09 C 07 51 34.50 +27 27 50.5 c 691
2004-01-18 19:36:41 C 07 50 37.94 +27 37 03.2 r A17
2004-01-18 19:48:03 C 07 50 37.03 +27 37 12.9 r A17
2004-01-18 20:17:43 C 07 50 34.71 +27 37 35.8 d 611
2004-01-18 20:24:51 C 07 50 34.13 +27 37 40.5 d 611
2004-01-18 20:30:52 C 07 50 34.06 +27 37 47.1 r 938
2004-01-18 20:31:17 C 07 50 33.62 +27 37 46.2 d 611
2004-01-18 20:37:07 C 07 50 33.17 +27 37 51.8 r 143
2004-01-18 20:39:28 C 07 50 33.02 +27 37 53.3 r 143
2004-01-18 20:41:01 C 07 50 32.88 +27 37 53.7 d 611
2004-01-18 20:45:50 C 07 50 32.47 +27 37 58.3 r 143
2004-01-18 21:10:40 C 07 50 30.39 +27 38 15.8 r A17
2004-01-18 21:22:03 C 07 50 29.52 +27 38 24.6 r A17
2004-01-18 22:30:24 C 07 50 24.37 +27 39 20.3 r 938
2004-01-18 22:53:49 C 07 50 22.44 +27 39 37.8 r 938
2004-01-20 14:21:40 C 07 47 11.33 +28 10 37.3 r D85
2004-01-20 14:24:50 C 07 47 11.02 +28 10 39.6 r D85
2004-01-20 14:28:01 C 07 47 10.71 +28 10 42.4 r D85
2004-01-20 20:04:16 C 07 46 43.11 +28 14 38.0 c 587
2004-01-20 20:06:50 C 07 46 42.88 +28 14 40.0 c 587
2004-01-20 20:09:43 C 07 46 42.63 +28 14 42.8 c 587
2004-01-21 23:55:02 C 07 44 14.66 +28 37 34.1 r 939
2004-01-22 00:20:47 C 07 44 12.13 +28 37 55.8 r 939
2004-01-22 00:27:49 C 07 44 11.43 +28 38 01.7 r 939
2004-01-23 22:42:42 C 07 39 44.97 +29 18 09.1 c A41
2004-01-23 23:02:44 C 07 39 42.80 +29 18 26.6 c A41
2004-01-23 23:22:44 C 07 39 40.64 +29 18 44.2 c A41
2004-01-24 06:38:57 C 07 38 55.72 +29 25 26.7 16.9 d H72
2004-01-24 06:58:19 C 07 38 53.44 +29 25 43.5 17.1 d H72
2004-01-24 07:01:36 C 07 38 53.13 +29 25 46.4 16.7 d H72