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
2023-12-10 02:41:08 C 23 46 39.968 +37 09 49.07 V 703
2023-12-10 02:44:14 C 23 46 40.325 +37 09 45.68 V 703
2023-12-10 07:41:54 C 23 47 20.810 +37 04 07.14 V T08
2023-12-10 07:47:15 C 23 47 21.530 +37 04 01.49 V T08
2023-12-10 07:55:18 C 23 47 22.613 +37 03 51.88 V T08
2023-12-10 08:22:55 C 23 47 26.297 +37 03 19.73 V T08
2023-12-12 03:38:48 C 23 53 16.732 +36 15 09.14 V G96
2023-12-12 03:47:00 C 23 53 17.794 +36 14 59.86 V G96
2023-12-12 03:55:12 C 23 53 18.870 +36 14 51.14 V G96
2023-12-12 04:03:25 C 23 53 19.936 +36 14 41.89 V G96
2023-12-12 04:09:59 C 23 53 20.749 +36 14 34.84 V 703
2023-12-12 04:13:06 C 23 53 21.167 +36 14 31.45 V 703
2023-12-12 04:16:12 C 23 53 21.592 +36 14 27.96 V 703
2023-12-12 04:19:18 C 23 53 22.009 +36 14 24.50 V 703
2023-12-12 06:24:58 C 23 53 38.813 +36 12 10.40 V T05
2023-12-12 06:29:31 C 23 53 39.384 +36 12 05.72 V T05
2023-12-12 07:05:15 C 23 53 43.992 +36 11 25.94 V T05
2023-12-13 02:32:08 C 23 56 17.898 +35 50 28.03 V G96
2023-12-13 02:40:32 C 23 56 18.978 +35 50 19.21 V G96
2023-12-13 02:48:55 C 23 56 20.008 +35 50 09.85 V G96
2023-12-13 02:57:20 C 23 56 21.116 +35 50 01.03 V G96
2023-12-14 02:24:02 C 23 59 23.644 +35 25 19.09 V 703
2023-12-14 02:27:08 C 23 59 24.007 +35 25 15.67 V 703
2023-12-14 02:30:13 C 23 59 24.457 +35 25 11.35 V 703
2023-12-14 02:33:19 C 23 59 24.745 +35 25 09.77 V 703
2023-12-14 05:55:56 C 23 59 50.748 +35 21 40.79 V T08
2023-12-14 06:00:23 C 23 59 51.358 +35 21 36.07 V T08
2023-12-14 06:17:39 C 23 59 53.467 +35 21 18.04 V T08
2023-12-14 06:42:48 C 23 59 56.647 +35 20 51.72 V T08
2023-12-15 06:25:40 C 00 02 57.929 +34 56 34.19 V T05
2023-12-15 06:53:28 C 00 03 01.344 +34 56 05.75 V T05
2023-12-15 06:58:01 C 00 03 01.920 +34 56 01.00 V T05
2023-12-15 07:10:41 C 00 03 03.437 +34 55 47.75 V T05
2023-12-17 08:20:00 C 00 09 10.337 +34 07 18.91 V T08
2023-12-17 08:20:40 C 00 09 10.416 +34 07 18.70 V T08
2023-12-17 08:24:40 C 00 09 10.898 +34 07 14.84 V T08
2023-12-17 08:26:00 C 00 09 11.047 +34 07 13.55 V T08
2023-12-17 08:35:48 C 00 09 12.252 +34 07 03.86 V T08
2023-12-17 08:37:08 C 00 09 12.406 +34 07 02.39 V T08
2023-12-17 08:50:27 C 00 09 13.990 +34 06 49.32 V T08
2023-12-17 08:53:07 C 00 09 14.328 +34 06 46.69 V T08
2023-12-18 02:55:22 C 00 11 26.797 +33 49 38.17 V 703
2023-12-18 02:58:24 C 00 11 27.143 +33 49 35.76 V 703
2023-12-18 03:01:25 C 00 11 27.481 +33 49 33.10 V 703
2023-12-18 03:04:27 C 00 11 27.830 +33 49 29.86 V 703
2023-12-28 06:32:52 C 00 39 11.264 +30 29 20.26 X F51
2023-12-28 06:43:14 C 00 39 12.356 +30 29 12.86 X F51
2023-12-28 06:53:34 C 00 39 13.442 +30 29 05.40 X F51
2023-12-28 07:03:55 C 00 39 14.529 +30 28 57.90 X F51
2023-12-28 07:09:43 C 00 39 15.149 +30 28 54.73 V T05