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
2020-01-27 02:27:53 C 01 51 16.33 +25 05 12.8 U I41
2020-01-27 02:49:48 C 01 51 18.18 +25 05 06.6 U I41
2020-01-27 03:25:54 C 01 51 21.32 +25 04 56.6 U I41
2020-04-05 02:38:47 C 04 11 55.55 +22 19 06.3 V G96
2020-04-05 02:46:47 C 04 11 56.25 +22 19 05.7 V G96
2020-04-05 02:53:07 C 04 11 56.71 +22 19 05.3 V G96
2020-04-05 02:59:26 C 04 11 57.31 +22 19 05.4 V G96
2021-10-13 14:40:50 C 09 17 36.753 +08 49 54.84 U F52
2021-10-13 14:47:15 C 09 17 37.212 +08 49 50.03 U F52
2021-10-13 14:53:35 C 09 17 37.662 +08 49 45.41 U F52
2021-10-13 14:59:56 C 09 17 38.121 +08 49 40.64 U F52
2021-11-11 10:58:35 C 10 06 53.87 -01 14 48.8 V 703
2021-11-11 11:14:05 C 10 06 54.91 -01 15 06.5 V 703
2021-11-11 11:21:50 C 10 06 55.52 -01 15 13.7 V 703
2021-11-15 11:16:21 C 10 13 39.39 -02 55 41.5 V G96
2021-11-15 11:26:16 C 10 13 40.06 -02 55 52.1 V G96
2021-11-15 11:36:17 C 10 13 40.77 -02 56 02.8 V G96
2021-11-15 11:46:11 C 10 13 41.44 -02 56 13.5 V G96
2021-12-02 11:31:33 C 10 42 39.39 -11 05 09.2 V 703
2021-12-02 11:39:08 C 10 42 39.96 -11 05 19.1 V 703
2021-12-02 11:46:43 C 10 42 40.49 -11 05 29.4 V 703
2021-12-02 11:54:17 C 10 42 41.02 -11 05 39.7 V 703
2021-12-12 14:49:05 C 11 00 41.76 -16 55 35.9 V T08
2021-12-12 14:54:25 C 11 00 42.16 -16 55 44.1 V T08
2021-12-12 14:58:25 C 11 00 42.42 -16 55 50.8 V T08
2021-12-12 15:03:03 C 11 00 42.81 -16 55 57.4 V T08
2021-12-12 15:16:20 C 11 00 43.79 -16 56 18.5 V T08
2021-12-12 15:29:01 C 11 00 44.67 -16 56 37.9 V T08
2021-12-31 08:49:41 S 11 38 47.794 -30 18 29.34 L C51
2021-12-31 16:40:01 S 11 39 33.590 -30 34 33.17 L C51
2022-01-01 03:37:56 S 11 40 38.203 -30 57 08.06 L C51
2022-01-01 11:29:11 S 11 41 24.989 -31 13 25.75 L C51
2022-01-01 14:37:19 S 11 41 43.625 -31 19 55.63 L C51
2022-01-02 09:26:18 S 11 43 37.080 -31 59 15.94 L C51
2022-01-03 23:04:17 S 11 47 30.026 -33 19 18.77 L C51
2022-01-04 02:12:36 S 11 47 49.961 -33 26 03.98 L C51
2022-01-06 15:04:12 C 11 54 27.63 -35 39 33.4 V T05
2022-01-06 15:08:49 C 11 54 28.13 -35 39 44.9 V T05
2022-01-06 15:41:58 C 11 54 31.76 -35 40 57.6 V T05
2022-01-06 15:53:33 C 11 54 33.00 -35 41 23.6 V T05
2022-01-06 15:58:09 C 11 54 33.48 -35 41 33.9 V T05
2022-01-06 16:02:08 C 11 54 33.93 -35 41 43.3 V T05
2022-01-06 16:06:46 C 11 54 34.45 -35 41 53.6 V T05
2022-01-12 13:44:33 C 12 12 00.36 -41 09 19.2 V T08
2022-01-12 13:48:31 C 12 12 00.90 -41 09 29.2 V T08
2022-01-12 13:52:31 C 12 12 01.43 -41 09 38.2 V T08
2022-01-12 13:59:48 C 12 12 02.46 -41 09 55.8 V T08
2022-01-12 14:03:00 S 12 12 02.129 -41 09 49.75 L C51
2022-01-12 14:06:26 C 12 12 03.29 -41 10 11.5 V T08
2022-01-12 14:13:04 C 12 12 04.14 -41 10 27.4 V T08