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
2019-10-07 02:27:33 C 16 22 51.52 +57 21 27.4 V 703
2019-10-07 02:35:14 C 16 22 54.02 +57 21 38.9 V 703
2019-10-08 06:55:16 C 16 32 19.67 +58 03 17.3 V T05
2019-10-08 07:00:36 C 16 32 21.48 +58 03 24.8 V T05
2019-10-08 07:09:28 C 16 32 24.50 +58 03 37.0 V T05
2019-10-10 02:28:39 C 16 47 28.59 +59 01 49.7 V 703
2019-10-10 02:36:58 C 16 47 31.52 +59 02 00.1 V 703
2019-10-10 02:45:17 C 16 47 34.35 +59 02 10.1 V 703
2019-10-10 02:53:37 C 16 47 37.36 +59 02 20.1 V 703
2019-10-12 21:42:14 C 17 12 19.22 +60 17 47.8 V A16
2019-10-12 21:52:37 C 17 12 23.15 +60 17 59.3 V A16
2019-10-12 22:22:41 C 17 12 34.79 +60 18 25.2 V A16
2019-10-14 05:35:47 C 17 24 41.77 +60 47 49.2 V T08
2019-10-14 05:40:35 C 17 24 43.64 +60 47 53.2 V T08
2019-10-14 05:48:57 C 17 24 46.86 +60 48 00.1 V T08
2019-10-14 06:03:24 C 17 24 52.48 +60 48 11.7 V T08
2019-10-16 06:36:24 C 17 44 22.15 +61 25 03.5 V T05
2019-10-16 06:41:42 C 17 44 24.30 +61 25 06.8 V T05
2019-10-16 06:49:40 C 17 44 27.51 +61 25 11.4 V T05
2019-10-16 07:05:02 C 17 44 33.72 +61 25 20.5 V T05
2019-10-18 03:59:04 C 18 03 10.97 +61 50 01.0 V 703
2019-10-18 04:06:53 C 18 03 14.21 +61 50 04.1 V 703
2019-10-18 04:14:41 C 18 03 17.47 +61 50 07.2 V 703
2019-10-18 04:22:30 C 18 03 20.73 +61 50 10.1 V 703
2019-10-18 04:42:05 C 18 03 29.96 +61 50 29.7 V T08
2019-10-18 04:50:05 C 18 03 33.17 +61 50 33.2 V T08
2019-10-18 04:58:08 C 18 03 36.43 +61 50 36.2 V T08
2019-10-18 05:03:30 C 18 03 38.64 +61 50 38.4 V T08
2019-10-18 05:06:52 C 18 03 40.10 +61 50 39.8 V T08
2019-10-18 05:26:20 C 18 03 48.03 +61 50 47.5 V T08
2019-10-19 15:02:02 C 18 18 01.05 +62 03 00.6 q C97
2019-10-19 15:04:13 C 18 18 01.97 +62 03 01.2 q C97
2019-10-19 15:06:24 C 18 18 02.97 +62 03 01.6 q C97
2019-10-19 15:08:35 C 18 18 03.65 +62 03 02.8 q C97
2019-10-19 15:10:47 C 18 18 04.49 +62 03 03.4 q C97
2019-10-19 15:53:32 C 18 18 23.68 +62 03 10.9 V 089
2019-10-19 15:57:25 C 18 18 25.29 +62 03 12.0 V 089
2019-10-19 16:01:18 C 18 18 26.87 +62 03 13.1 V 089
2019-10-19 16:09:04 C 18 18 30.15 +62 03 15.0 V 089
2019-10-19 16:12:57 C 18 18 31.79 +62 03 15.6 V 089
2019-10-19 16:16:50 C 18 18 33.37 +62 03 16.7 V 089
2019-10-19 16:20:43 C 18 18 34.98 +62 03 18.2 V 089
2019-10-19 16:24:36 C 18 18 36.65 +62 03 19.2 V 089
2019-10-21 03:31:00 C 18 33 36.79 +62 10 15.9 V 703
2019-10-21 03:38:51 C 18 33 40.09 +62 10 16.8 V 703
2019-10-21 03:46:43 C 18 33 43.40 +62 10 16.3 V 703
2019-10-21 03:54:35 C 18 33 46.71 +62 10 17.0 V 703
2019-10-21 10:50:51 S 18 36 47.12 +62 10 50.7 L C51
2019-10-21 13:59:10 S 18 38 07.97 +62 11 04.6 L C51
2019-10-21 16:14:26 S 18 37 59.803 +62 07 55.74 V C57