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
2003-02-23 18:13:31 C 05 12 36.62 +08 04 32.8 c 246
2003-02-23 18:14:34 C 05 12 36.60 +08 04 32.1 c 246
2003-02-23 18:15:21 C 05 12 36.54 +08 04 31.4 c 246
2003-02-23 18:17:23 C 05 12 36.62 +08 04 31.1 c 246
2003-02-23 18:22:59 C 05 12 36.54 +08 04 30.8 c 246
2003-03-09 02:32:45 C 05 17 50.60 +07 27 38.3 18.5 c 704
2003-03-09 02:56:41 C 05 17 51.25 +07 27 37.2 19.1 c 704
2003-03-09 03:15:20 C 05 17 51.75 +07 27 34.4 19.2 c 704
2003-03-09 03:34:37 C 05 17 52.21 +07 27 33.4 19.0 c 704
2003-09-08 19:05:48 C 13 20 39.89 +46 51 27.6 o 084
2003-09-17 19:29:01 C 13 54 00.13 +56 50 54.7 o 084
2003-09-19 19:02:27 C 14 02 26.40 +58 46 04.7 d 118
2003-09-19 19:06:49 C 14 02 27.19 +58 46 15.1 d 118
2003-09-19 19:10:10 C 14 02 27.85 +58 46 22.5 d 118
2003-09-20 19:32:44 C 14 07 02.01 +59 43 06.2 o 084
2003-09-24 18:01:02 C 14 26 34.91 +63 09 53.2 o 084
2003-09-29 21:40:17 C 14 58 13.76 +67 09 06.3 o 084
2003-10-08 19:33:23 C 16 18 38.25 +72 28 41.0 o 084
2003-10-13 02:05:02 C 17 12 33.62 +74 02 01.6 17.6 c 704
2003-10-13 02:21:47 C 17 12 43.04 +74 02 12.1 17.7 c 704
2003-10-13 02:38:39 C 17 12 52.65 +74 02 21.7 18.1 c 704
2003-10-13 02:55:26 C 17 13 02.07 +74 02 32.1 18.1 c 704
2003-10-13 03:12:13 C 17 13 11.48 +74 02 42.9 18.1 c 704
2003-10-16 18:44:57 C 18 06 15.15 +74 37 36.9 o 084
2003-10-18 22:01:35 C 18 38 43.49 +74 36 13.4 o 084
2003-10-19 23:37:58 C 18 54 55.16 +74 29 16.7 o 084
2003-10-22 17:50:21 C 19 35 36.13 +73 52 43.6 o 084
2003-10-24 17:06:46 C 20 02 49.46 +73 10 48.4 o 084
2003-10-27 18:11:43 C 20 40 50.86 +71 43 30.8 o 084
2003-10-29 01:28:32 C 20 55 29.77 +70 58 48.3 o 084
2003-10-30 01:04:21 C 21 05 55.01 +70 22 51.0 o 084
2003-11-01 17:40:29 C 21 31 48.65 +68 35 32.0 o 084
2003-11-04 17:07:36 C 21 56 21.87 +66 24 33.4 o 461
2003-11-04 17:08:46 C 21 56 22.19 +66 24 31.1 o 461
2003-11-04 17:09:56 C 21 56 22.61 +66 24 28.5 o 461
2003-11-04 17:11:05 C 21 56 22.91 +66 24 26.7 o 461
2003-11-04 17:12:15 C 21 56 23.28 +66 24 24.3 o 461
2003-11-06 03:18:05 C 22 06 46.45 +65 18 37.2 18.3 c 704
2003-11-06 03:35:40 C 22 06 51.68 +65 18 02.5 17.7 c 704
2003-11-06 03:52:58 C 22 06 56.62 +65 17 27.8 17.8 c 704
2003-11-06 04:10:22 C 22 07 01.53 +65 16 53.7 17.7 c 704
2003-11-06 04:28:00 C 22 07 06.59 +65 16 19.1 17.9 c 704
2003-11-07 20:59:30 C 22 18 30.19 +63 55 49.0 o 084
2003-11-13 16:50:53 C 22 51 27.98 +59 09 18.8 c 104
2003-11-13 16:52:50 C 22 51 28.38 +59 09 14.9 c 104
2003-11-13 16:54:59 C 22 51 28.79 +59 09 10.5 c 104
2003-11-29 22:15:44 C 23 53 04.40 +46 27 37.1 18.4 c 130
2003-11-29 22:20:49 C 23 53 05.00 +46 27 28.2 18.2 c 130
2003-11-29 22:25:54 C 23 53 05.63 +46 27 18.9 18.4 c 130
2003-11-29 22:30:59 C 23 53 06.28 +46 27 09.9 18.2 c 130