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
2015-11-15 19:56:55 C 22 22 02.68 +53 24 08.9 c A24
2015-11-16 00:35:04 C 22 23 07.64 +53 16 13.0 u H21
2015-11-16 00:36:58 C 22 23 08.07 +53 16 09.6 u H21
2015-11-16 00:38:59 C 22 23 08.50 +53 16 06.3 u H21
2015-11-16 00:40:59 C 22 23 08.96 +53 16 02.8 u H21
2015-11-16 00:42:59 C 22 23 09.42 +53 15 59.2 u H21
2015-11-16 00:44:51 C 22 23 09.83 +53 15 56.2 u H21
2015-11-16 00:47:00 C 22 23 10.33 +53 15 52.4 u H21
2015-11-16 00:49:01 C 22 23 10.77 +53 15 48.9 u H21
2015-11-16 00:51:01 C 22 23 11.23 +53 15 45.4 u H21
2015-11-16 00:53:02 C 22 23 11.68 +53 15 42.0 u H21
2015-11-16 00:57:03 C 22 23 12.57 +53 15 35.2 u H21
2015-11-16 01:03:04 C 22 23 13.93 +53 15 24.7 u H21
2015-11-16 01:05:05 C 22 23 14.39 +53 15 21.2 u H21
2015-11-16 01:07:05 C 22 23 14.83 +53 15 17.7 u H21
2015-11-16 01:09:05 C 22 23 15.29 +53 15 14.2 u H21
2015-11-16 01:15:06 C 22 23 16.64 +53 15 03.8 u H21
2015-11-16 01:17:07 C 22 23 17.09 +53 15 00.4 u H21
2015-11-18 05:43:36 C 22 34 57.07 +51 44 45.1 L T05
2015-11-18 06:42:45 C 22 35 09.35 +51 43 02.0 L T05
2015-11-18 07:15:41 C 22 35 16.23 +51 42 04.2 L T05
2015-11-18 07:58:37 C 22 35 25.14 +51 40 49.9 L T05
2015-11-24 00:04:23 C 23 02 09.03 +47 49 50.4 u H21
2015-11-24 00:06:23 C 23 02 09.38 +47 49 47.1 u H21
2015-11-24 00:08:23 C 23 02 09.72 +47 49 43.6 u H21
2015-11-24 00:10:24 C 23 02 10.07 +47 49 40.3 u H21
2015-11-24 00:12:24 C 23 02 10.44 +47 49 36.9 u H21
2015-11-24 00:14:25 C 23 02 10.78 +47 49 33.6 u H21
2015-11-24 00:16:25 C 23 02 11.13 +47 49 30.2 u H21
2015-11-24 00:18:26 C 23 02 11.49 +47 49 27.0 u H21
2015-11-24 00:20:26 C 23 02 11.83 +47 49 23.6 u H21
2015-11-24 00:22:26 C 23 02 12.18 +47 49 20.2 u H21
2015-11-24 00:24:27 C 23 02 12.54 +47 49 16.8 u H21
2015-11-24 00:26:27 C 23 02 12.89 +47 49 13.6 u H21
2015-11-24 00:28:33 C 23 02 13.25 +47 49 10.1 u H21
2015-11-25 00:29:34 C 23 06 29.32 +47 09 30.9 u H21
2015-11-25 00:32:22 C 23 06 29.77 +47 09 26.5 u H21
2015-11-25 00:35:23 C 23 06 30.29 +47 09 21.6 u H21
2015-11-25 00:38:23 C 23 06 30.80 +47 09 16.5 u H21
2015-11-25 00:41:24 C 23 06 31.31 +47 09 11.5 u H21
2015-11-25 00:44:25 C 23 06 31.84 +47 09 06.6 u H21
2015-11-25 00:47:31 C 23 06 32.39 +47 09 01.5 u H21
2015-11-25 00:50:32 C 23 06 32.89 +47 08 56.5 u H21
2015-11-25 00:53:32 C 23 06 33.40 +47 08 51.6 u H21
2015-11-25 00:56:33 C 23 06 33.91 +47 08 46.9 u H21
2015-11-25 00:59:51 C 23 06 34.47 +47 08 41.4 u H21
2015-11-25 01:03:09 C 23 06 35.01 +47 08 35.7 u H21
2015-11-25 01:06:10 C 23 06 35.54 +47 08 30.7 u H21
2015-11-25 01:09:04 C 23 06 36.03 +47 08 26.1 u H21
2015-11-25 01:12:56 C 23 06 36.68 +47 08 19.6 u H21