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
2024-01-16 06:27:46 C 01 24 36.684 +26 24 52.16 V T05
2024-01-16 06:32:25 C 01 24 37.140 +26 24 50.36 V T05
2024-01-16 06:41:38 C 01 24 37.978 +26 24 46.58 V T05
2024-01-16 06:58:05 C 01 24 39.511 +26 24 40.46 V T05
2024-01-22 06:40:32 C 01 37 56.592 +25 34 43.87 X F52
2024-01-22 06:53:46 C 01 37 57.780 +25 34 39.53 X F52
2024-01-22 07:06:58 C 01 37 58.968 +25 34 35.40 X F52
2024-01-22 07:20:08 C 01 38 00.150 +25 34 31.18 X F52
2024-01-22 07:28:42 C 01 38 00.918 +25 34 28.23 X F51
2024-01-22 08:20:10 C 01 38 05.565 +25 34 12.00 X F51
2024-01-22 08:33:17 C 01 38 06.766 +25 34 07.70 X F51
2024-01-22 14:47:48 C 01 38 41.19 +25 32 13.1 Z C97
2024-01-22 15:01:51 C 01 38 42.43 +25 32 08.8 Z C97
2024-01-22 15:15:57 C 01 38 43.71 +25 32 04.4 Z C97
2024-01-23 07:16:33 C 01 40 10.951 +25 27 11.71 X F52
2024-01-23 07:29:33 C 01 40 12.117 +25 27 07.62 X F52
2024-01-23 07:42:38 C 01 40 13.296 +25 27 03.70 X F52
2024-01-23 07:55:39 C 01 40 14.453 +25 26 59.64 X F52
2024-01-23 08:16:22 C 01 40 16.315 +25 26 53.38 X F51
2024-01-23 08:30:28 C 01 40 17.588 +25 26 48.77 X F51
2024-01-23 08:47:50 C 01 40 19.131 +25 26 43.52 X F51
2024-01-23 09:01:58 C 01 40 20.433 +25 26 39.17 X F51
2024-01-24 08:06:34 C 01 42 26.027 +25 19 51.95 X F52
2024-01-24 08:17:54 C 01 42 27.049 +25 19 48.51 X F52
2024-01-24 08:29:12 C 01 42 28.085 +25 19 45.03 X F52
2024-01-26 07:09:36 C 01 46 40.723 +25 06 44.31 X F52
2024-01-26 07:23:41 C 01 46 41.977 +25 06 40.42 X F52
2024-01-26 08:04:24 C 01 46 45.588 +25 06 29.13 X F52
2024-01-26 08:18:31 C 01 46 46.842 +25 06 25.03 X F52
2024-01-27 06:59:01 C 01 48 49.007 +25 00 26.46 X F52
2024-01-27 07:27:21 C 01 48 51.502 +25 00 18.96 X F52
2024-01-27 07:41:44 C 01 48 52.781 +25 00 15.09 X F52
2024-01-28 07:23:56 C 01 50 59.975 +24 54 13.34 X F52
2024-01-28 07:39:11 C 01 51 01.320 +24 54 09.28 X F52
2024-01-28 07:54:22 C 01 51 02.670 +24 54 05.45 X F52
2024-01-28 08:09:35 C 01 51 04.011 +24 54 01.49 X F52
2025-10-29 12:20:02 C 09 43 20.636 +03 58 30.00 V G96
2025-10-29 12:26:13 C 09 43 21.076 +03 58 24.31 V G96
2025-10-29 12:32:25 C 09 43 21.504 +03 58 18.98 V G96
2025-10-29 12:38:36 C 09 43 21.925 +03 58 13.62 V G96
2025-12-14 13:46:48 C 11 00 44.981 -17 40 45.48 V T05
2025-12-14 14:08:24 C 11 00 46.680 -17 41 20.22 V T05
2025-12-14 14:16:15 C 11 00 47.208 -17 41 32.57 V T05
2025-12-14 14:20:52 C 11 00 47.486 -17 41 39.95 V T05
2025-12-17 06:52:26 C 11 05 38.191 -19 25 52.57 V W68
2025-12-17 06:57:03 C 11 05 38.585 -19 25 59.92 V W68
2025-12-17 07:06:16 C 11 05 39.250 -19 26 15.40 V W68
2025-12-17 07:41:51 C 11 05 41.873 -19 27 14.36 V W68
2025-12-17 15:05:16 C 11 06 15.358 -19 39 35.10 X F52
2025-12-17 15:17:35 C 11 06 16.268 -19 39 55.58 X F52