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
2014-11-30 11:09:30 C 07 34 25.38 +25 08 42.9 o 691
2014-11-30 11:29:11 C 07 34 24.04 +25 08 35.2 o 691
2014-11-30 11:43:53 C 07 34 23.05 +25 08 29.2 o 691
2014-11-30 11:58:33 C 07 34 22.07 +25 08 23.6 o 691
2014-12-10 08:01:49 C 07 15 43.39 +23 27 36.3 o 691
2014-12-10 08:27:23 C 07 15 40.97 +23 27 23.9 o 691
2014-12-10 08:49:15 C 07 15 38.89 +23 27 13.9 o 691
2014-12-11 08:06:08 C 07 13 28.14 +23 16 06.4 o 691
2014-12-11 08:35:27 C 07 13 25.34 +23 15 54.7 o 691
2014-12-11 08:57:21 C 07 13 23.21 +23 15 44.3 o 691
2014-12-12 01:10:37 C 07 11 49.95 +23 07 49.7 c A24
2014-12-12 01:11:39 C 07 11 49.96 +23 07 49.7 c A24
2014-12-12 02:13:10 C 07 11 43.78 +23 07 19.5 c A24
2014-12-12 02:14:12 C 07 11 43.69 +23 07 19.0 c A24
2014-12-12 02:47:50 C 07 11 40.40 +23 07 02.8 q 160
2014-12-12 02:50:48 C 07 11 40.09 +23 07 01.1 q 160
2014-12-12 02:53:45 C 07 11 39.79 +23 06 59.6 q 160
2014-12-21 18:12:02 C 06 47 02.47 +21 02 43.6 o C94
2014-12-21 18:16:25 C 06 47 01.92 +21 02 40.0 o C94
2014-12-21 18:20:32 C 06 47 01.39 +21 02 38.1 o C94
2014-12-26 23:08:08 C 06 32 32.23 +19 47 08.7 c A24
2014-12-26 23:09:10 C 06 32 32.10 +19 47 08.2 c A24
2014-12-28 04:40:32 C 06 29 04.03 +19 28 48.5 r Y00
2014-12-28 05:06:06 C 06 29 00.90 +19 28 32.9 r Y00
2014-12-28 05:22:56 C 06 28 58.94 +19 28 22.2 r Y00
2014-12-28 07:48:58 C 06 28 42.15 +19 26 40.6 q G96
2014-12-28 07:56:52 C 06 28 41.18 +19 26 35.6 q G96
2014-12-28 08:04:45 C 06 28 40.23 +19 26 30.7 q G96
2014-12-28 08:12:39 C 06 28 39.28 +19 26 25.6 q G96
2014-12-29 23:58:36 C 06 24 00.10 +19 01 08.2 q 160
2014-12-30 00:00:33 C 06 23 59.86 +19 01 07.0 q 160
2014-12-30 00:02:29 C 06 23 59.68 +19 01 05.5 q 160
2014-12-30 22:05:55 C 06 21 25.85 +18 46 59.1 Q I99
2014-12-30 22:12:11 C 06 21 25.11 +18 46 54.9 Q I99
2014-12-31 06:32:37 C 06 20 26.79 +18 41 35.4 R G45
2014-12-31 06:44:40 C 06 20 25.37 +18 41 27.6 R G45
2014-12-31 06:50:37 C 06 20 24.65 +18 41 23.7 R G45
2014-12-31 07:06:21 C 06 20 22.77 +18 41 13.7 R G45
2014-12-31 22:47:09 C 06 18 34.08 +18 31 07.5 q 160
2014-12-31 22:48:58 C 06 18 33.79 +18 31 06.1 q 160
2014-12-31 22:50:47 C 06 18 33.59 +18 31 04.4 q 160
2015-01-02 00:05:26 C 06 15 39.03 +18 14 47.2 q 160
2015-01-02 00:07:22 C 06 15 38.82 +18 14 45.8 q 160
2015-01-02 00:09:18 C 06 15 38.62 +18 14 44.7 q 160
2015-01-04 21:33:42 C 06 07 48.50 +17 29 54.9 q 160
2015-01-04 21:35:39 C 06 07 48.31 +17 29 52.6 q 160
2015-01-04 21:37:35 C 06 07 48.17 +17 29 52.6 q 160
2015-01-05 22:23:38 C 06 05 04.01 +17 13 55.1 q 160
2015-01-05 22:25:39 C 06 05 03.79 +17 13 53.3 q 160
2015-01-05 22:27:43 C 06 05 03.53 +17 13 51.7 q 160