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
2015-10-26 00:16:05 C 19 33 51.75 +64 33 48.7 u H21
2015-10-26 00:19:11 C 19 33 53.09 +64 33 46.8 u H21
2015-10-26 00:22:17 C 19 33 54.44 +64 33 44.9 u H21
2015-10-26 00:25:22 C 19 33 55.81 +64 33 43.1 u H21
2015-10-26 00:28:27 C 19 33 57.14 +64 33 41.2 u H21
2015-10-30 04:37:46 C 20 16 38.32 +63 13 56.6 q H45
2015-10-30 04:39:13 C 20 16 38.99 +63 13 54.9 q H45
2015-10-30 04:40:29 C 20 16 39.49 +63 13 53.5 q H45
2015-10-30 04:42:10 C 20 16 40.13 +63 13 51.6 q H45
2015-10-30 04:43:46 C 20 16 40.87 +63 13 49.7 q H45
2015-10-30 04:45:15 C 20 16 41.44 +63 13 48.4 q H45
2015-10-31 19:21:38 C 20 32 02.96 +62 32 47.2 c A24
2015-10-31 19:22:40 C 20 32 03.23 +62 32 46.3 c A24
2015-10-31 20:22:49 C 20 32 26.27 +62 31 36.6 c A24
2015-10-31 20:23:51 C 20 32 26.68 +62 31 35.3 c A24
2015-11-01 18:36:24 C 20 40 57.11 +62 05 37.1 c B82
2015-11-01 18:45:48 C 20 41 00.58 +62 05 25.6 c B82
2015-11-01 18:55:13 C 20 41 04.07 +62 05 14.0 c B82
2015-11-01 19:04:38 C 20 41 07.55 +62 05 02.5 c B82
2015-11-01 19:23:27 C 20 41 14.53 +62 04 39.4 c B82
2015-11-01 19:30:31 C 20 41 17.16 +62 04 30.7 c B82
2015-11-01 19:37:56 C 20 41 19.84 +62 04 22.6 c A24
2015-11-01 19:38:59 C 20 41 20.28 +62 04 21.2 c A24
2015-11-01 20:39:07 C 20 41 42.54 +62 03 06.8 c A24
2015-11-01 20:40:09 C 20 41 42.78 +62 03 05.7 c A24
2015-11-02 18:57:08 C 20 49 59.27 +61 35 22.4 c A24
2015-11-02 18:58:10 C 20 49 59.60 +61 35 21.6 c A24
2015-11-02 19:06:23 C 20 50 02.59 +61 35 10.6 c A24
2015-11-02 19:07:25 C 20 50 03.06 +61 35 08.9 c A24
2015-11-02 20:01:18 C 20 50 22.27 +61 33 59.3 c A24
2015-11-02 20:02:19 C 20 50 22.59 +61 33 58.1 c A24
2015-11-02 20:10:33 C 20 50 25.57 +61 33 47.0 c A24
2015-11-02 20:11:35 C 20 50 25.93 +61 33 45.8 c A24
2015-11-03 02:10:09 C 20 52 36.30 +61 26 06.7 q H45
2015-11-03 02:15:38 C 20 52 38.26 +61 25 59.7 q H45
2015-11-03 02:20:10 C 20 52 39.88 +61 25 53.4 q H45
2015-11-03 02:21:32 C 20 52 40.32 +61 25 51.7 q H45
2015-11-03 02:23:23 C 20 52 40.98 +61 25 49.1 q H45
2015-11-03 02:24:50 C 20 52 41.49 +61 25 47.4 q H45
2015-11-04 17:57:40 C 21 06 37.70 +60 32 21.0 S K14
2015-11-04 18:13:21 C 21 06 42.71 +60 32 01.4 S K14
2015-11-04 18:24:40 C 21 06 46.67 +60 31 42.7 S K14
2015-11-04 18:56:26 C 21 06 57.20 +60 30 56.4 c A24
2015-11-04 18:57:28 C 21 06 57.57 +60 30 55.0 c A24
2015-11-04 21:17:51 C 21 07 44.72 +60 27 33.7 c A24
2015-11-04 21:18:53 C 21 07 45.08 +60 27 32.2 c A24
2015-11-05 18:52:46 C 21 15 00.01 +59 56 40.8 c A24
2015-11-05 18:53:48 C 21 15 00.33 +59 56 39.5 c A24
2015-11-05 19:54:09 C 21 15 19.91 +59 55 09.9 c A24
2015-11-05 19:55:12 C 21 15 20.19 +59 55 08.7 c A24