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
2008-04-01 03:20:00 C 04 08 10.24 +22 07 03.1 r G96
2008-04-01 03:25:33 C 04 08 10.68 +22 07 02.7 r G96
2008-04-01 03:31:03 C 04 08 11.14 +22 07 02.3 r G96
2009-11-17 12:20:41 C 10 23 57.58 -04 59 39.4 r 703
2009-11-17 12:27:42 C 10 23 57.94 -04 59 47.1 r 703
2009-11-17 12:34:38 C 10 23 58.56 -04 59 55.8 r 703
2009-11-17 12:41:48 C 10 23 59.06 -05 00 03.6 r 703
2010-01-14 06:24:24 C 12 44 38.62 -44 03 13.6 r I20
2010-01-14 06:43:12 C 12 44 42.03 -44 03 57.0 r I20
2010-01-14 06:57:21 C 12 44 44.56 -44 04 29.9 r I20
2010-11-13 07:55:51 C 07 53 12.14 +27 03 33.2 19.2 c 704
2010-11-13 08:14:33 C 07 53 11.54 +27 03 26.8 19.4 c 704
2010-11-13 08:33:09 C 07 53 11.36 +27 03 21.6 19.3 c 704
2010-11-13 08:51:45 C 07 53 11.00 +27 03 15.9 19.6 c 704
2010-11-13 09:10:20 C 07 53 10.69 +27 03 10.2 19.9 c 704
2010-11-14 09:30:44 C 07 52 44.13 +26 55 20.6 18.9 c 704
2010-11-14 09:49:19 C 07 52 43.75 +26 55 13.3 20.3 c 704
2010-11-14 10:08:57 C 07 52 43.36 +26 55 07.2 20.1 c 704
2010-11-14 10:27:33 C 07 52 42.97 +26 55 01.0 19.4 c 704
2010-11-14 10:46:20 C 07 52 42.54 +26 54 54.8 19.1 c 704
2010-11-28 10:41:04 C 07 40 00.98 +24 58 02.4 r 703
2010-11-28 10:51:08 C 07 40 00.51 +24 57 58.5 r 703
2010-11-28 11:01:12 C 07 39 59.79 +24 57 54.3 r 703
2010-11-28 11:11:19 C 07 39 59.18 +24 57 49.6 r 703
2010-12-01 09:30:58 C 07 35 40.27 +24 30 24.1 19.1 c 704
2010-12-01 09:49:54 C 07 35 38.81 +24 30 18.7 18.4 c 704
2010-12-01 10:09:58 C 07 35 37.49 +24 30 10.6 18.6 c 704
2010-12-01 10:28:56 C 07 35 36.18 +24 30 03.0 18.9 c 704
2010-12-02 09:18:01 C 07 34 04.31 +24 20 52.7 19.0 c 704
2010-12-02 09:36:44 C 07 34 02.95 +24 20 45.3 18.9 c 704
2010-12-02 09:55:35 C 07 34 01.62 +24 20 37.2 18.6 c 704
2010-12-02 10:15:07 C 07 34 00.23 +24 20 29.3 18.4 c 704
2010-12-02 10:33:54 C 07 33 58.88 +24 20 21.4 18.6 c 704
2010-12-03 09:27:58 C 07 32 22.74 +24 10 58.0 o 691
2010-12-03 09:53:33 C 07 32 20.83 +24 10 47.5 o 691
2010-12-03 10:19:12 C 07 32 18.96 +24 10 37.3 o 691
2010-12-06 08:51:12 C 07 26 58.24 +23 40 38.4 18.5 c 704
2010-12-06 09:10:01 C 07 26 56.71 +23 40 30.2 18.6 c 704
2010-12-06 09:29:25 C 07 26 55.07 +23 40 22.1 18.5 c 704
2010-12-07 08:45:31 C 07 25 01.45 +23 30 05.8 o H47
2010-12-07 08:54:50 C 07 25 00.60 +23 30 02.0 o H47
2010-12-07 09:07:59 C 07 24 59.49 +23 29 55.4 o H47
2010-12-07 09:11:04 C 07 24 59.39 +23 29 54.2 18.3 c 704
2010-12-07 09:29:57 C 07 24 57.74 +23 29 45.5 18.2 c 704
2010-12-07 09:48:59 C 07 24 56.13 +23 29 37.0 18.2 c 704
2010-12-07 10:08:02 C 07 24 54.49 +23 29 29.1 18.3 c 704
2010-12-07 10:27:36 C 07 24 52.87 +23 29 19.7 18.6 c 704
2010-12-09 16:15:58 C 07 20 15.56 +23 04 47.5 o 300
2010-12-09 16:18:26 C 07 20 15.41 +23 04 47.4 o 300
2010-12-09 16:20:53 C 07 20 15.16 +23 04 45.4 o 300