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
2018-11-07 12:23:57 C 07 51 03.45 +28 38 03.9 V G96
2018-11-07 12:32:44 C 07 51 03.37 +28 38 01.3 V G96
2018-11-07 12:41:23 C 07 51 03.29 +28 37 58.7 V G96
2018-11-25 23:22:56 C 07 38 14.10 +26 17 38.0 V C95
2018-11-26 00:17:08 C 07 38 11.21 +26 17 20.3 V C95
2018-11-29 04:25:36 C 07 33 43.13 +25 49 42.1 q 160
2018-11-29 04:29:10 C 07 33 42.98 +25 49 42.1 q 160
2018-11-29 04:32:46 C 07 33 42.68 +25 49 40.4 q 160
2018-11-29 14:09:33 C 07 33 05.98 +25 46 07.3 U T05
2018-11-29 14:15:01 C 07 33 05.63 +25 46 05.2 U T05
2018-11-29 14:33:59 C 07 33 04.33 +25 45 58.2 U T05
2018-11-29 14:44:48 C 07 33 03.60 +25 45 53.9 U T05
2018-12-03 12:30:55 C 07 26 29.26 +25 09 15.8 U T05
2018-12-03 12:48:37 C 07 26 27.85 +25 09 09.0 U T05
2018-12-03 13:23:18 C 07 26 25.11 +25 08 55.0 U T05
2018-12-03 13:33:52 C 07 26 24.29 +25 08 50.6 U T05
2018-12-07 12:40:05 C 07 18 39.02 +24 28 31.6 U T05
2018-12-07 12:47:27 C 07 18 38.36 +24 28 28.5 U T05
2018-12-07 12:55:07 C 07 18 37.69 +24 28 25.0 U T05
2018-12-07 13:13:38 C 07 18 36.01 +24 28 16.9 U T05
2018-12-09 01:04:34 C 07 15 24.77 +24 12 07.8 17.8 q J43
2018-12-09 01:17:02 C 07 15 23.61 +24 12 02.0 18.3 q J43
2018-12-09 01:29:27 C 07 15 22.44 +24 11 56.5 17.8 q J43
2018-12-09 01:41:52 C 07 15 21.29 +24 11 51.0 17.9 q J43
2018-12-10 10:30:49 C 07 12 18.09 +23 56 36.4 V G96
2018-12-10 10:38:13 C 07 12 17.38 +23 56 33.2 V G96
2018-12-10 10:45:37 C 07 12 16.66 +23 56 29.4 V G96
2018-12-10 10:53:01 C 07 12 15.93 +23 56 25.6 V G96
2018-12-12 00:30:57 C 07 08 38.33 +23 38 21.1 q 160
2018-12-12 00:34:42 C 07 08 37.96 +23 38 19.2 q 160
2018-12-12 00:38:27 C 07 08 37.56 +23 38 17.7 q 160
2018-12-14 13:17:45 C 07 02 28.970 +23 07 56.68 U F51
2018-12-14 13:37:21 C 07 02 26.879 +23 07 46.47 U F51
2018-12-14 13:56:59 C 07 02 24.784 +23 07 36.21 U F51
2018-12-14 14:17:10 C 07 02 22.633 +23 07 25.63 U F51
2018-12-16 01:37:44 C 06 58 39.33 +22 48 52.5 q 160
2018-12-16 01:41:09 C 06 58 38.96 +22 48 50.3 q 160
2018-12-16 01:44:31 C 06 58 38.54 +22 48 47.8 q 160
2018-12-17 18:43:01 C 06 54 12.18 +22 26 43.0 q D29
2018-12-17 19:08:28 C 06 54 09.33 +22 26 28.9 q D29
2018-12-17 19:33:55 C 06 54 06.48 +22 26 14.7 q D29
2018-12-20 04:42:23 C 06 47 44.92 +21 54 08.2 V G96
2018-12-20 04:53:52 C 06 47 43.60 +21 54 01.7 V G96
2018-12-20 05:05:20 C 06 47 42.29 +21 53 55.2 V G96
2018-12-20 05:16:48 C 06 47 40.98 +21 53 49.2 V G96
2018-12-27 01:44:48 C 06 28 35.84 +20 14 25.7 q 160
2018-12-27 01:48:58 C 06 28 35.34 +20 14 23.0 q 160
2018-12-27 01:53:04 C 06 28 34.85 +20 14 20.2 q 160
2018-12-31 05:59:04 C 06 16 53.35 +19 10 14.5 V G96
2018-12-31 06:06:35 C 06 16 52.45 +19 10 09.7 V G96