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
2023-12-28 07:14:17 C 00 39 15.643 +30 28 50.63 V T05
2023-12-28 07:22:17 C 00 39 16.435 +30 28 44.69 V T05
2023-12-28 07:38:08 C 00 39 18.142 +30 28 33.35 V T05
2023-12-31 04:42:25 C 00 46 37.229 +29 41 35.20 V 703
2023-12-31 04:45:49 C 00 46 37.549 +29 41 32.82 V 703
2023-12-31 04:49:12 C 00 46 37.909 +29 41 29.65 V 703
2023-12-31 04:52:36 C 00 46 38.255 +29 41 29.40 V 703
2023-12-31 08:01:58 C 00 46 57.983 +29 39 27.03 X F51
2023-12-31 08:13:14 C 00 46 59.136 +29 39 19.66 X F51
2023-12-31 08:24:27 C 00 47 00.294 +29 39 12.13 X F51
2023-12-31 08:35:39 C 00 47 01.447 +29 39 04.78 X F51
2024-01-01 06:29:27 C 00 49 18.214 +29 25 07.00 V T05
2024-01-01 06:34:02 C 00 49 18.698 +29 25 03.72 V T05
2024-01-01 06:41:53 C 00 49 19.481 +29 24 59.15 V T05
2024-01-01 06:56:15 C 00 49 20.962 +29 24 49.82 V T05
2024-01-03 04:15:16 C 00 54 00.122 +28 57 04.82 V 703
2024-01-03 04:18:35 C 00 54 00.493 +28 57 02.30 V 703
2024-01-03 04:19:41 C 00 54 00.572 +28 57 02.12 V G96
2024-01-03 04:21:54 C 00 54 00.796 +28 57 00.79 V 703
2024-01-03 04:25:14 C 00 54 01.148 +28 56 58.96 V 703
2024-01-03 04:27:01 C 00 54 01.314 +28 56 57.62 V G96
2024-01-03 04:34:22 C 00 54 02.048 +28 56 53.23 V G96
2024-01-03 04:41:44 C 00 54 02.790 +28 56 48.70 V G96
2024-01-03 06:57:20 C 00 54 16.630 +28 55 30.79 V T08
2024-01-03 07:01:59 C 00 54 17.119 +28 55 27.80 V T08
2024-01-03 07:15:33 C 00 54 18.437 +28 55 19.49 V T08
2024-01-03 07:31:05 C 00 54 19.946 +28 55 09.95 V T08
2024-01-07 02:46:45 C 01 03 29.380 +28 04 16.10 V G96
2024-01-07 02:54:25 C 01 03 30.139 +28 04 12.04 V G96
2024-01-07 03:02:05 C 01 03 30.881 +28 04 08.15 V G96
2024-01-07 03:09:45 C 01 03 31.637 +28 04 03.58 V G96
2024-01-07 06:18:08 C 01 03 50.203 +28 02 27.56 V T08
2024-01-07 06:22:48 C 01 03 50.683 +28 02 24.79 V T08
2024-01-07 06:30:46 C 01 03 51.449 +28 02 20.47 V T08
2024-01-07 06:45:01 C 01 03 52.858 +28 02 11.47 V T08
2024-01-09 03:13:51 C 01 08 14.953 +27 39 40.32 V 703
2024-01-09 03:16:50 C 01 08 15.238 +27 39 38.27 V 703
2024-01-09 03:19:49 C 01 08 15.482 +27 39 36.40 V 703
2024-01-09 03:22:48 C 01 08 15.835 +27 39 35.28 V 703
2024-01-11 03:29:02 C 01 12 55.724 +27 16 43.00 V 703
2024-01-11 03:32:04 C 01 12 55.890 +27 16 42.20 V 703
2024-01-11 03:38:07 C 01 12 56.520 +27 16 38.42 V 703
2024-01-14 06:05:48 C 01 20 03.319 +26 44 11.83 V T08
2024-01-14 06:14:06 C 01 20 04.070 +26 44 08.34 V T08
2024-01-14 06:19:47 C 01 20 04.656 +26 44 06.50 V T08
2024-01-14 06:36:39 C 01 20 06.170 +26 43 58.37 V T08
2024-01-15 06:19:50 C 01 22 20.654 +26 34 20.60 V T08
2024-01-15 06:25:09 C 01 22 21.130 +26 34 18.70 V T08
2024-01-15 06:32:43 C 01 22 21.828 +26 34 15.13 V T08
2024-01-15 06:47:30 C 01 22 23.203 +26 34 09.12 V T08