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
2023-02-21 20:14:05 C 05 03 55.159 +10 06 23.40 V M22
2023-03-02 13:09:34 C 05 07 03.20 +09 33 46.9 V D29
2023-03-02 13:27:16 C 05 07 03.51 +09 33 44.4 V D29
2023-03-02 13:44:58 C 05 07 03.93 +09 33 41.7 V D29
2023-09-16 05:19:43 C 14 22 40.267 +34 41 23.57 V T05
2023-09-16 05:23:52 C 14 22 41.114 +34 41 34.98 V T05
2023-09-16 05:32:35 C 14 22 42.725 +34 41 59.28 V T05
2023-09-16 05:47:15 C 14 22 45.610 +34 42 40.93 V T05
2023-09-27 02:14:41 C 15 19 05.092 +45 52 56.96 V 703
2023-09-27 02:19:03 C 15 19 06.096 +45 53 06.58 V 703
2023-09-27 02:23:25 C 15 19 07.169 +45 53 16.12 V 703
2023-09-27 02:27:48 C 15 19 08.216 +45 53 25.62 V 703
2023-09-29 19:30:44 C 15 35 19.16 +48 16 21.9 V M14
2023-09-29 19:42:10 C 15 35 22.09 +48 16 46.5 V M14
2023-09-29 19:57:57 C 15 35 26.17 +48 17 18.3 V M14
2023-10-01 05:14:18 C 15 44 08.844 +49 26 11.65 V T05
2023-10-01 05:18:20 C 15 44 09.900 +49 26 19.86 V T05
2023-10-01 05:25:47 C 15 44 11.856 +49 26 34.51 V T05
2023-10-01 05:41:43 C 15 44 16.044 +49 27 05.72 V T05
2023-10-03 05:48:31 C 15 57 26.606 +51 00 47.77 V T05
2023-10-03 05:54:45 C 15 57 28.330 +51 00 59.11 V T05
2023-10-03 06:02:09 C 15 57 30.415 +51 01 12.50 V T05
2023-10-03 06:17:13 C 15 57 34.594 +51 01 39.94 V T05
2023-10-05 05:22:23 C 16 11 10.829 +52 26 38.98 V T05
2023-10-05 05:37:50 C 16 11 15.293 +52 27 04.68 V T05
2023-10-05 05:53:16 C 16 11 19.805 +52 27 30.53 V T05
2023-10-07 05:40:22 C 16 25 53.340 +53 46 28.31 V T05
2023-10-07 05:44:33 C 16 25 54.622 +53 46 34.72 V T05
2023-10-07 05:51:57 C 16 25 56.875 +53 46 46.20 V T05
2023-10-07 06:07:40 C 16 26 01.730 +53 47 09.49 V T05
2023-10-07 19:44:50 C 16 30 19.66 +54 08 08.7 X L63
2023-10-07 19:50:40 C 16 30 21.52 +54 08 17.6 X L63
2023-10-07 19:56:35 C 16 30 23.36 +54 08 26.3 X L63
2023-10-08 20:00:41 C 16 38 08.02 +54 44 10.1 X L63
2023-10-08 20:08:19 C 16 38 10.53 +54 44 20.7 X L63
2023-10-08 20:16:02 C 16 38 13.01 +54 44 31.1 X L63
2023-10-13 04:58:32 C 17 14 13.214 +56 55 50.38 V T05
2023-10-13 05:02:50 C 17 14 14.748 +56 55 54.66 V T05
2023-10-13 05:11:13 C 17 14 17.729 +56 56 02.90 V T05
2023-10-13 05:25:50 C 17 14 22.951 +56 56 17.99 V T05
2023-10-15 05:47:34 C 17 32 12.245 +57 42 32.04 V T05
2023-10-15 05:51:43 C 17 32 13.762 +57 42 35.10 V T05
2023-10-15 05:59:47 C 17 32 16.795 +57 42 41.47 V T05
2023-10-15 06:14:49 C 17 32 22.301 +57 42 53.68 V T05
2023-10-17 05:34:22 C 17 50 26.957 +58 18 49.79 V T05
2023-10-17 05:39:58 C 17 50 29.083 +58 18 53.24 V T05
2023-10-17 05:47:31 C 17 50 31.970 +58 18 57.85 V T05
2023-10-17 06:01:56 C 17 50 37.469 +58 19 06.53 V T05
2023-10-18 17:29:33 C 18 04 31.03 +58 39 38.3 X G02
2023-10-18 17:40:05 C 18 04 35.14 +58 39 43.3 X G02