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
2007-12-03 06:00:50 C 23 54 22.68 +43 31 51.1 17.7 c 704
2007-12-03 06:19:30 C 23 54 25.09 +43 31 20.9 18.2 c 704
2007-12-03 06:37:49 C 23 54 27.25 +43 30 50.3 17.7 c 704
2007-12-03 06:56:15 C 23 54 29.67 +43 30 22.1 18.0 c 704
2007-12-03 18:51:46 C 23 56 00.38 +43 11 35.0 c A24
2007-12-03 18:53:14 C 23 56 00.52 +43 11 33.0 c A24
2007-12-03 19:12:01 C 23 56 02.84 +43 11 03.2 c A24
2007-12-03 19:32:17 C 23 56 05.28 +43 10 31.3 c A24
2007-12-03 19:51:04 C 23 56 07.58 +43 10 01.6 c A24
2007-12-03 19:52:33 C 23 56 07.74 +43 09 59.3 c A24
2007-12-05 18:44:55 C 00 01 52.83 +41 57 57.3 c A24
2007-12-05 19:23:38 C 00 01 57.37 +41 56 58.8 c A24
2007-12-05 19:42:17 C 00 01 59.56 +41 56 30.6 c A24
2007-12-05 19:43:43 C 00 01 59.71 +41 56 28.6 c A24
2007-12-18 03:22:13 C 00 34 26.65 +35 30 48.3 r 703
2007-12-18 03:31:32 C 00 34 27.51 +35 30 38.8 r 703
2007-12-18 03:40:52 C 00 34 28.45 +35 30 28.4 r 703
2007-12-18 03:50:18 C 00 34 29.35 +35 30 17.1 r 703
2007-12-27 20:16:44 C 00 56 58.72 +31 44 38.9 c A24
2007-12-27 20:18:10 C 00 56 58.83 +31 44 37.9 c A24
2007-12-27 20:33:17 C 00 57 00.23 +31 44 25.0 c A24
2007-12-27 20:49:50 C 00 57 01.73 +31 44 11.1 c A24
2007-12-27 21:04:58 C 00 57 03.21 +31 43 57.4 c A24
2007-12-27 21:06:24 C 00 57 03.26 +31 43 57.1 c A24
2007-12-28 19:03:10 C 00 59 05.37 +31 25 46.9 c A24
2007-12-28 19:04:36 C 00 59 05.51 +31 25 46.8 c A24
2007-12-28 19:19:55 C 00 59 06.89 +31 25 33.2 c A24
2007-12-28 19:36:40 C 00 59 08.43 +31 25 19.6 c A24
2007-12-28 19:52:00 C 00 59 09.79 +31 25 06.3 c A24
2007-12-28 19:53:26 C 00 59 09.98 +31 25 05.6 c A24
2007-12-29 16:37:33 C 01 01 04.67 +31 08 21.7 r B15
2007-12-29 16:40:36 C 01 01 04.94 +31 08 19.3 r B15
2007-12-29 16:47:01 C 01 01 05.50 +31 08 13.8 r B15
2008-01-01 18:31:00 C 01 07 47.03 +30 12 18.0 c A24
2008-01-01 18:32:26 C 01 07 47.23 +30 12 17.5 c A24
2008-01-12 01:57:41 C 01 29 30.67 +27 39 47.4 18.8 c 704
2008-01-12 02:15:50 C 01 29 32.18 +27 39 37.8 19.0 c 704
2008-01-12 02:33:58 C 01 29 33.70 +27 39 27.8 19.2 c 704
2008-01-12 02:52:44 C 01 29 35.20 +27 39 18.9 19.8 c 704
2008-01-12 03:10:54 C 01 29 36.82 +27 39 09.0 19.9 c 704
2008-01-20 01:05:15 C 01 45 44.69 +26 12 59.7 r H45
2008-01-20 01:07:44 C 01 45 44.90 +26 12 59.4 r H45
2008-01-20 01:10:16 C 01 45 45.17 +26 12 57.0 r H45
2008-01-20 01:14:06 C 01 45 45.48 +26 12 56.3 r H45
2008-01-20 01:18:49 C 01 45 45.81 +26 12 54.5 r H45
2008-03-05 02:42:22 C 03 14 33.14 +22 44 55.8 r G96
2008-03-05 02:47:10 C 03 14 33.54 +22 44 55.6 r G96
2008-03-05 02:51:52 C 03 14 33.93 +22 44 55.3 r G96
2008-03-05 02:56:41 C 03 14 34.33 +22 44 54.3 r G96
2008-04-01 03:14:30 C 04 08 09.78 +22 07 03.6 r G96