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
2015-10-03 19:51:08 C 15 54 31.01 +58 50 38.3 c B82
2015-10-03 19:51:36 C 15 54 31.15 +58 50 39.1 c B82
2015-10-03 19:52:04 C 15 54 31.29 +58 50 39.9 c B82
2015-10-03 19:52:33 C 15 54 31.42 +58 50 40.9 c B82
2015-10-03 19:53:01 C 15 54 31.58 +58 50 41.5 c B82
2015-10-03 19:53:29 C 15 54 31.72 +58 50 42.1 c B82
2015-10-03 19:54:26 C 15 54 32.04 +58 50 43.7 c B82
2015-10-11 18:43:01 C 17 02 00.56 +63 14 05.7 c A24
2015-10-11 18:44:03 C 17 02 01.03 +63 14 06.8 c A24
2015-10-11 19:47:49 C 17 02 26.31 +63 15 09.0 c A24
2015-10-11 19:48:51 C 17 02 26.70 +63 15 09.9 c A24
2015-10-17 18:47:31 S 18 03 42.89 +64 55 29.5 L C51
2015-10-17 21:56:23 S 18 05 08.24 +64 56 38.3 L C51
2015-10-18 01:05:15 S 18 06 33.71 +64 57 43.7 L C51
2015-10-18 02:39:52 S 18 07 16.60 +64 58 15.6 L C51
2015-10-18 04:14:07 S 18 07 59.290 +64 58 46.96 L C51
2015-10-18 05:48:44 S 18 08 42.21 +64 59 17.0 L C51
2015-10-18 07:22:59 S 18 09 24.98 +64 59 45.4 L C51
2015-10-18 08:57:36 S 18 10 07.99 +65 00 15.4 L C51
2015-10-18 12:06:28 S 18 11 33.907 +65 01 11.28 L C51
2015-10-18 15:15:20 S 18 12 59.856 +65 02 03.66 L C51
2015-10-19 18:09:19 C 18 25 17.66 +65 07 41.6 c A24
2015-10-19 18:10:22 C 18 25 18.15 +65 07 41.7 c A24
2015-10-19 19:09:42 C 18 25 44.99 +65 07 47.9 c A24
2015-10-19 19:10:43 C 18 25 45.46 +65 07 47.9 c A24
2015-10-20 17:50:10 C 18 36 11.85 +65 09 37.7 c A24
2015-10-20 17:51:13 C 18 36 12.37 +65 09 37.5 c A24
2015-10-20 18:49:21 C 18 36 38.66 +65 09 37.2 c A24
2015-10-20 18:50:24 C 18 36 38.86 +65 09 36.7 c A24
2015-10-21 17:58:41 C 18 47 19.89 +65 08 44.7 c A24
2015-10-21 17:59:43 C 18 47 20.36 +65 08 44.5 c A24
2015-10-21 19:02:50 C 18 47 49.00 +65 08 36.7 c A24
2015-10-21 19:03:52 C 18 47 49.48 +65 08 36.0 c A24
2015-10-22 18:00:17 C 18 58 23.70 +65 05 00.9 c A24
2015-10-22 18:11:44 C 18 58 29.00 +65 05 01.3 S K14
2015-10-22 18:22:48 C 18 58 33.98 +65 04 58.6 S K14
2015-10-22 18:50:54 C 18 58 46.68 +65 04 51.4 S K14
2015-10-22 19:04:21 C 18 58 52.69 +65 04 45.9 c A24
2015-10-22 19:05:23 C 18 58 53.16 +65 04 45.3 c A24
2015-10-22 19:07:21 C 18 58 54.13 +65 04 47.8 S K14
2015-10-22 19:25:39 C 18 59 02.34 +65 04 43.0 S K14
2015-10-23 10:52:14 C 19 06 07.63 +65 00 48.4 q D29
2015-10-23 11:16:05 C 19 06 18.26 +65 00 40.2 q D29
2015-10-23 11:39:58 C 19 06 28.97 +65 00 31.4 q D29
2015-10-25 23:57:29 C 19 33 43.68 +64 33 59.7 u H21
2015-10-26 00:00:35 C 19 33 45.02 +64 33 57.9 u H21
2015-10-26 00:03:41 C 19 33 46.36 +64 33 56.1 u H21
2015-10-26 00:06:47 C 19 33 47.73 +64 33 54.2 u H21
2015-10-26 00:09:53 C 19 33 49.08 +64 33 52.4 u H21
2015-10-26 00:12:59 C 19 33 50.41 +64 33 50.6 u H21