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
2011-12-02 18:02:27 C 23 44 21.18 +43 06 12.2 u C73
2011-12-02 18:04:29 C 23 44 21.48 +43 06 09.2 u C73
2011-12-02 18:06:31 C 23 44 21.65 +43 06 06.0 u C73
2011-12-02 18:08:32 C 23 44 21.94 +43 06 03.0 u C73
2011-12-02 18:10:33 C 23 44 22.26 +43 06 00.2 u C73
2011-12-02 18:12:34 C 23 44 22.56 +43 05 56.9 u C73
2011-12-17 03:01:21 C 00 25 52.89 +35 32 35.7 18.4 c 704
2011-12-17 03:20:06 C 00 25 54.85 +35 32 14.7 18.4 c 704
2011-12-17 03:38:53 C 00 25 56.85 +35 31 53.9 18.1 c 704
2011-12-17 03:57:42 C 00 25 58.82 +35 31 32.9 18.3 c 704
2011-12-17 04:16:42 C 00 26 00.82 +35 31 12.1 18.3 c 704
2012-01-09 05:00:50 C 01 19 39.68 +28 08 06.7 r 703
2012-01-09 05:08:52 C 01 19 40.44 +28 08 02.1 r 703
2012-01-09 05:16:52 C 01 19 41.19 +28 07 56.4 r 703
2012-01-09 05:24:49 C 01 19 41.84 +28 07 51.8 r 703
2012-01-12 18:39:59 C 01 27 17.05 +27 23 39.9 c A24
2012-01-12 18:42:03 C 01 27 17.04 +27 23 39.3 c A24
2012-01-13 18:51:51 C 01 29 24.80 +27 12 01.2 c A24
2012-01-13 19:15:10 C 01 29 26.80 +27 11 49.8 c A24
2012-01-13 19:38:28 C 01 29 28.78 +27 11 38.2 c A24
2012-01-13 20:01:14 C 01 29 30.76 +27 11 27.9 c A24
2012-01-13 20:03:19 C 01 29 30.94 +27 11 28.6 c A24
2012-01-14 18:31:30 C 01 31 29.28 +27 01 01.9 c A24
2012-01-14 18:33:34 C 01 31 29.45 +27 01 00.7 c A24
2012-02-24 02:59:53 C 02 52 52.50 +23 08 43.6 r G96
2012-02-24 03:08:15 C 02 52 53.22 +23 08 42.0 r G96
2012-02-24 03:16:29 C 02 52 53.86 +23 08 41.3 r G96
2012-02-24 03:24:46 C 02 52 54.55 +23 08 40.7 r G96
2012-03-25 02:47:50 C 03 52 33.34 +22 21 37.0 r G96
2012-03-25 02:55:21 C 03 52 33.96 +22 21 36.3 r G96
2012-03-25 03:02:53 C 03 52 34.60 +22 21 35.9 r G96
2012-03-25 03:10:24 C 03 52 35.22 +22 21 35.4 r G96
2013-12-11 08:01:26 C 11 05 13.60 -17 05 57.9 u 807
2013-12-11 08:06:25 C 11 05 13.97 -17 06 05.4 u 807
2013-12-11 08:10:06 C 11 05 14.29 -17 06 11.3 u 807
2013-12-11 08:13:46 C 11 05 14.57 -17 06 16.8 u 807
2013-12-11 08:17:29 C 11 05 14.87 -17 06 22.6 u 807
2014-11-23 10:54:13 C 07 43 40.27 +26 10 14.1 q G96
2014-11-23 11:02:18 C 07 43 39.89 +26 10 11.3 q G96
2014-11-23 11:10:26 C 07 43 39.49 +26 10 08.3 q G96
2014-11-23 11:18:31 C 07 43 39.11 +26 10 05.5 q G96
2014-11-26 09:39:46 C 07 40 11.66 +25 45 10.1 u H21
2014-11-26 09:42:19 C 07 40 11.52 +25 45 09.2 u H21
2014-11-26 09:44:53 C 07 40 11.37 +25 45 08.1 u H21
2014-11-26 09:47:28 C 07 40 11.23 +25 45 07.3 u H21
2014-11-26 09:50:02 C 07 40 11.09 +25 45 06.5 u H21
2014-11-26 09:52:28 C 07 40 10.95 +25 45 05.5 u H21
2014-11-26 09:55:11 C 07 40 10.80 +25 45 04.5 u H21
2014-11-30 10:40:05 C 07 34 27.38 +25 08 54.6 o 691
2014-11-30 10:54:49 C 07 34 26.36 +25 08 48.7 o 691