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
2019-11-06 15:12:10 C 21 09 00.45 +57 32 26.2 q C97
2019-11-06 15:18:42 C 21 09 02.73 +57 32 15.0 q C97
2019-11-07 08:10:09 C 21 14 25.51 +57 09 21.9 V T08
2019-11-07 08:14:54 C 21 14 27.00 +57 09 15.0 V T08
2019-11-07 08:41:34 C 21 14 35.31 +57 08 37.0 V T08
2019-11-09 00:32:17 C 21 26 54.05 +56 12 33.2 u H21
2019-11-09 00:34:22 C 21 26 54.66 +56 12 29.7 u H21
2019-11-09 00:36:26 C 21 26 55.27 +56 12 26.7 u H21
2019-11-09 00:38:30 C 21 26 55.89 +56 12 23.7 u H21
2019-11-09 00:40:34 C 21 26 56.51 +56 12 20.7 u H21
2019-11-09 00:42:39 C 21 26 57.10 +56 12 17.7 u H21
2019-11-09 00:44:43 C 21 26 57.68 +56 12 14.4 u H21
2019-11-09 00:47:05 C 21 26 58.39 +56 12 11.2 u H21
2019-11-13 16:02:46 C 21 57 59.01 +53 23 56.1 q C97
2019-11-13 16:04:58 C 21 57 59.42 +53 23 54.4 q C97
2019-11-13 16:07:10 C 21 57 59.81 +53 23 51.5 q C97
2019-11-13 19:46:59 C 21 58 56.68 +53 18 00.1 V C95
2019-11-13 19:54:08 C 21 58 58.52 +53 17 49.6 V C95
2019-11-15 07:18:07 C 22 07 51.10 +52 21 57.0 V T08
2019-11-15 07:31:47 C 22 07 54.36 +52 21 34.9 V T08
2019-11-15 07:36:41 C 22 07 55.57 +52 21 27.0 V T08
2019-11-15 07:40:45 C 22 07 56.53 +52 21 20.2 V T08
2019-11-15 07:49:02 C 22 07 58.52 +52 21 06.6 V T08
2019-11-15 08:04:12 C 22 08 02.17 +52 20 42.0 V T08
2019-11-17 06:49:32 C 22 19 08.57 +51 05 59.9 V T05
2019-11-17 06:54:14 C 22 19 09.68 +51 05 52.0 V T05
2019-11-17 07:02:56 C 22 19 11.58 +51 05 38.0 V T05
2019-11-17 07:16:14 C 22 19 14.59 +51 05 16.3 V T05
2019-11-19 15:36:06 C 22 31 45.17 +49 34 46.5 q C97
2019-11-19 15:40:27 C 22 31 46.24 +49 34 38.2 q C97
2019-11-26 16:07:39 C 23 04 26.15 +45 09 21.5 q C97
2019-11-26 16:09:49 C 23 04 26.46 +45 09 18.4 q C97
2019-11-26 16:12:00 C 23 04 26.94 +45 09 14.4 q C97
2019-11-26 16:14:11 C 23 04 27.21 +45 09 12.1 q C97
2019-11-27 06:33:33 C 23 06 57.30 +44 47 26.0 V T08
2019-11-27 06:38:16 C 23 06 58.10 +44 47 18.9 V T08
2019-11-27 06:46:22 C 23 06 59.46 +44 47 06.5 V T08
2019-11-27 07:01:08 C 23 07 01.94 +44 46 43.7 V T08
2019-11-29 05:14:37 C 23 14 51.749 +43 37 36.79 U F52
2019-11-29 05:49:56 C 23 14 57.404 +43 36 44.57 U F52
2019-11-29 06:10:46 C 23 15 00.73 +43 36 13.9 V T05
2019-11-29 06:15:24 C 23 15 01.49 +43 36 06.8 V T05
2019-11-29 06:24:53 C 23 15 02.99 +43 35 52.7 V T05
2019-11-30 16:18:30 C 23 20 33.22 +42 46 23.9 q C97
2019-11-30 16:20:41 C 23 20 33.41 +42 46 22.6 q C97
2019-11-30 16:22:53 C 23 20 33.67 +42 46 20.2 q C97
2019-11-30 16:25:04 C 23 20 34.00 +42 46 17.0 q C97
2019-12-02 01:51:52 C 23 25 49.87 +41 58 32.7 V 703
2019-12-02 02:00:26 C 23 25 51.15 +41 58 20.6 V 703
2019-12-02 02:17:44 C 23 25 53.75 +41 57 56.1 V 703