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
2015-01-06 21:06:19 C 06 02 35.96 +16 59 19.2 c A24
2015-01-06 21:07:21 C 06 02 35.86 +16 59 19.3 c A24
2015-01-06 22:09:29 C 06 02 29.03 +16 58 39.4 c A24
2015-01-06 22:10:31 C 06 02 28.94 +16 58 38.3 c A24
2015-01-14 22:45:58 C 05 43 16.82 +14 59 33.6 q 203
2015-01-14 23:29:36 C 05 43 12.81 +14 59 07.9 q 203
2015-01-16 08:11:39 C 05 40 18.90 +14 40 08.6 R G45
2015-01-16 08:17:45 C 05 40 18.41 +14 40 05.2 R G45
2015-01-16 08:23:44 C 05 40 17.85 +14 40 01.5 R G45
2015-01-16 08:29:42 C 05 40 17.34 +14 39 57.9 R G45
2015-01-16 08:39:45 C 05 40 16.38 +14 39 52.8 R G45
2015-01-16 08:45:55 C 05 40 15.93 +14 39 48.8 R G45
2015-01-18 08:00:24 C 05 36 17.74 +14 13 09.2 R G45
2015-01-18 08:06:17 C 05 36 17.21 +14 13 06.3 R G45
2015-01-18 08:12:14 C 05 36 16.78 +14 13 02.8 R G45
2015-01-18 08:18:07 C 05 36 16.27 +14 12 59.5 R G45
2015-01-18 08:24:08 C 05 36 15.78 +14 12 56.2 R G45
2015-01-18 08:27:43 C 05 36 15.45 +14 12 54.1 R G45
2015-01-18 08:33:47 C 05 36 14.97 +14 12 50.7 R G45
2015-01-18 08:39:46 C 05 36 14.47 +14 12 47.2 R G45
2015-01-19 08:00:35 C 05 34 22.54 +13 59 59.6 R G45
2015-01-19 08:12:25 C 05 34 21.58 +13 59 53.3 R G45
2015-01-19 08:18:20 C 05 34 21.12 +13 59 50.0 R G45
2015-01-19 08:21:56 C 05 34 20.82 +13 59 48.1 R G45
2015-01-19 08:28:08 C 05 34 20.33 +13 59 44.7 R G45
2015-01-19 08:34:06 C 05 34 19.85 +13 59 41.5 R G45
2015-01-19 09:01:58 C 05 34 17.984 +13 59 29.35 L F51
2015-01-19 09:20:45 C 05 34 16.461 +13 59 19.11 L F51
2015-01-19 09:39:31 C 05 34 14.942 +13 59 08.90 L F51
2015-01-19 09:58:24 C 05 34 13.413 +13 58 58.58 L F51
2015-01-20 07:55:16 C 05 32 31.77 +13 47 09.5 R G45
2015-01-20 08:01:07 C 05 32 31.31 +13 47 06.6 R G45
2015-01-20 08:15:24 C 05 32 30.22 +13 46 58.9 R G45
2015-01-20 08:18:59 C 05 32 29.94 +13 46 57.0 R G45
2015-01-20 08:25:03 C 05 32 29.45 +13 46 53.4 R G45
2015-01-23 22:43:25 C 05 26 23.99 +13 02 56.3 q 203
2015-01-23 23:40:05 C 05 26 20.21 +13 02 27.9 q 203
2015-01-24 07:46:14 C 05 25 48.57 +12 58 34.2 R G45
2015-01-24 07:52:13 C 05 25 48.17 +12 58 30.9 R G45
2015-01-24 07:58:10 C 05 25 47.85 +12 58 28.6 R G45
2015-01-24 08:01:58 C 05 25 47.64 +12 58 26.2 R G45
2015-01-25 22:06:17 C 05 23 26.01 +12 40 27.0 q 160
2015-01-25 22:08:25 C 05 23 25.86 +12 40 25.9 q 160
2015-01-25 22:09:11 C 05 23 25.83 +12 40 25.2 q 160
2015-01-26 20:43:38 C 05 22 06.85 +12 30 07.9 q 160
2015-01-26 20:46:37 C 05 22 06.69 +12 30 06.7 q 160
2015-01-26 20:49:33 C 05 22 06.50 +12 30 05.3 q 160
2015-01-28 05:42:37 C 05 20 17.54 +12 15 36.0 R G45
2015-01-28 05:48:28 C 05 20 17.20 +12 15 33.6 R G45
2015-01-28 06:16:08 C 05 20 15.66 +12 15 21.7 R G45