137084 (1998 XS16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4965944426 ± 2.25e-08
Semi-major axis (a)1.2122391473 AU ± 5.56e-10
Inclination (i)26.55930199° ± 2.65e-06
Long. of Asc. Node (Ω)272.97685443° ± 3.59e-06
Arg. of Perihelion (ω)358.34109094° ± 4.01e-06
Mean Anomaly (M)253.89618035° ± 3.80e-06
Mean Motion (n)0.7384648343°/day ± 5.08e-10
Perihelion dist (q)0.61024792 AU ± 2.73e-08
Aphelion dist (Q)1.81423037 AU ± 2.73e-08
Orbital Period1.33469630 yr ± 9.18e-10
Physical Parameters
H (abs. magnitude)16.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.360″
Uncertainty0
Orbit TypeApollo
MOID0.407364 AU
Observations Used2535
Gaia Obs Used55
Oppositions6
Arc Total1994-2016
First Observation Used1994-12-03
Last Observation Used2026-01-13
Observations (3383)
Date Type RA Dec Mag Band Observatory
2011-03-31 20:19:21 C 05 38 09.98 +07 31 30.6 c A24
2011-10-02 17:57:53 C 15 40 30.02 +61 59 01.4 u A78
2011-10-02 18:03:07 C 15 40 31.66 +61 59 09.8 u A78
2011-10-02 18:07:30 C 15 40 33.01 +61 59 17.3 u A78
2011-10-02 18:14:09 C 15 40 35.01 +61 59 28.1 u A78
2011-10-02 18:18:58 C 15 40 36.50 +61 59 36.4 u A78
2011-10-09 03:02:32 C 16 34 42.43 +65 44 05.4 o G48
2011-10-09 03:07:41 C 16 34 44.35 +65 44 11.2 o G48
2011-10-09 03:12:49 C 16 34 46.30 +65 44 16.9 o G48
2011-10-09 03:29:02 C 16 34 52.79 +65 44 34.7 o G48
2011-10-09 03:34:12 C 16 34 54.79 +65 44 40.6 o G48
2011-10-09 03:39:21 C 16 34 56.95 +65 44 46.6 o G48
2011-10-09 04:06:04 C 16 35 07.53 +65 45 17.9 o G48
2011-10-10 03:34:07 C 16 44 40.02 +66 12 16.4 o G48
2011-10-10 03:44:23 C 16 44 44.24 +66 12 27.5 o G48
2011-10-10 03:49:37 C 16 44 46.44 +66 12 32.9 o G48
2011-10-10 03:56:49 C 16 44 49.43 +66 12 40.3 o G48
2011-10-10 04:01:54 C 16 44 51.49 +66 12 45.9 o G48
2011-10-10 04:06:57 C 16 44 53.59 +66 12 50.7 o G48
2011-10-10 04:12:11 C 16 44 55.76 +66 12 56.6 o G48
2011-10-15 20:32:08 C 17 46 24.64 +68 01 46.9 u C01
2011-10-15 20:32:59 C 17 46 25.03 +68 01 47.5 u C01
2011-10-15 20:33:52 C 17 46 25.49 +68 01 48.0 u C01
2011-10-15 20:34:46 C 17 46 25.92 +68 01 48.4 u C01
2011-10-15 20:35:38 C 17 46 26.40 +68 01 48.9 u C01
2011-10-15 21:32:49 C 17 46 53.96 +68 02 13.0 u C01
2011-10-15 21:33:42 C 17 46 54.36 +68 02 13.4 u C01
2011-10-15 21:34:36 C 17 46 54.81 +68 02 13.8 u C01
2011-10-15 21:35:29 C 17 46 55.23 +68 02 14.0 u C01
2011-10-15 21:36:23 C 17 46 55.64 +68 02 14.4 u C01
2011-10-15 22:30:30 C 17 47 21.88 +68 02 37.4 u C01
2011-10-15 22:31:23 C 17 47 22.39 +68 02 37.6 u C01
2011-10-15 22:32:17 C 17 47 22.75 +68 02 37.9 u C01
2011-10-15 22:33:10 C 17 47 23.20 +68 02 38.4 u C01
2011-10-15 22:34:05 C 17 47 23.67 +68 02 38.8 u C01
2011-11-08 04:09:46 C 21 47 52.07 +60 20 55.0 17.5 c 704
2011-11-08 04:28:29 C 21 47 57.51 +60 20 22.2 17.6 c 704
2011-11-08 04:46:43 C 21 48 02.75 +60 19 50.0 17.5 c 704
2011-11-08 05:04:54 C 21 48 08.08 +60 19 18.3 17.4 c 704
2011-11-16 01:13:22 C 22 35 53.728 +54 39 22.79 o C60
2011-11-16 01:16:50 C 22 35 54.563 +54 39 15.21 o C60
2011-11-16 01:20:17 C 22 35 55.304 +54 39 09.52 o C60
2011-11-17 19:21:32 C 22 44 49.92 +53 21 54.1 a 233
2011-11-17 19:25:40 C 22 44 50.78 +53 21 46.6 a 233
2011-11-17 19:30:45 C 22 44 51.74 +53 21 37.1 a 233
2011-11-24 19:08:43 C 23 15 42.91 +48 19 51.4 17.4 o C60
2011-11-24 19:10:51 C 23 15 43.38 +48 19 46.5 17.4 o C60
2011-11-24 19:13:01 C 23 15 43.67 +48 19 43.3 17.4 o C60
2011-11-24 19:17:20 C 23 15 44.36 +48 19 35.4 17.5 o C60
2011-11-24 19:19:29 C 23 15 44.72 +48 19 31.9 17.3 o C60