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
2010-12-09 16:25:51 C 07 20 14.68 +23 04 43.9 o 300
2010-12-13 06:43:44 C 07 12 10.91 +22 23 03.2 17.6 c 704
2010-12-13 07:02:42 C 07 12 09.00 +22 22 52.8 18.0 c 704
2010-12-13 07:21:42 C 07 12 07.09 +22 22 43.8 18.1 c 704
2010-12-13 07:40:56 C 07 12 05.19 +22 22 34.3 18.6 c 704
2010-12-13 08:00:06 C 07 12 03.23 +22 22 25.1 18.6 c 704
2010-12-31 14:09:21 C 06 23 11.06 +18 07 55.8 m 355
2010-12-31 14:12:25 C 06 23 10.67 +18 07 54.0 m 355
2010-12-31 14:13:56 C 06 23 10.51 +18 07 52.3 m 355
2010-12-31 14:15:30 C 06 23 10.33 +18 07 51.9 m 355
2010-12-31 14:17:01 C 06 23 10.12 +18 07 51.1 m 355
2011-01-03 06:31:51 C 06 15 46.08 +17 26 45.9 18.0 c 704
2011-01-03 06:50:49 C 06 15 43.81 +17 26 34.2 18.1 c 704
2011-01-03 07:09:49 C 06 15 41.72 +17 26 22.2 18.3 c 704
2011-01-03 07:28:56 C 06 15 39.36 +17 26 09.6 18.0 c 704
2011-01-03 07:48:15 C 06 15 37.13 +17 25 57.1 18.2 c 704
2011-01-04 05:10:08 C 06 13 12.07 +17 12 16.1 18.1 c 704
2011-01-04 05:29:13 C 06 13 09.85 +17 12 03.6 18.1 c 704
2011-01-04 05:48:46 C 06 13 07.62 +17 11 52.0 19.1 c 704
2011-01-04 06:08:06 C 06 13 05.34 +17 11 38.9 18.5 c 704
2011-01-05 06:25:05 C 06 10 21.72 +16 56 07.8 18.3 c 704
2011-01-05 06:43:57 C 06 10 19.58 +16 55 55.8 18.4 c 704
2011-01-05 07:02:58 C 06 10 17.37 +16 55 43.7 18.3 c 704
2011-01-05 07:22:01 C 06 10 15.25 +16 55 31.3 18.2 c 704
2011-01-05 07:40:49 C 06 10 13.06 +16 55 19.8 18.0 c 704
2011-01-06 04:59:15 C 06 07 51.70 +16 41 44.0 18.0 c 704
2011-01-06 05:18:16 C 06 07 49.53 +16 41 33.5 18.8 c 704
2011-01-06 05:37:13 C 06 07 47.46 +16 41 20.5 18.1 c 704
2011-01-06 05:56:17 C 06 07 45.34 +16 41 08.4 18.4 c 704
2011-01-06 06:15:19 C 06 07 43.21 +16 40 56.9 19.1 c 704
2011-01-07 04:52:10 C 06 05 15.05 +16 26 34.4 18.3 c 704
2011-01-07 05:31:55 C 06 05 10.63 +16 26 09.7 18.2 c 704
2011-01-07 06:10:58 C 06 05 06.27 +16 25 44.7 17.5 c 704
2011-01-11 03:54:17 C 05 55 16.99 +15 27 14.5 18.2 c 704
2011-01-11 04:13:16 C 05 55 14.95 +15 27 02.3 18.1 c 704
2011-01-11 04:32:31 C 05 55 13.04 +15 26 51.2 17.9 c 704
2011-01-23 21:54:54 C 05 29 19.03 +12 37 32.0 u 160
2011-01-23 21:56:52 C 05 29 18.86 +12 37 30.8 u 160
2011-01-23 21:58:51 C 05 29 18.72 +12 37 29.8 u 160
2011-01-24 21:46:03 C 05 27 44.39 +12 26 09.0 u 160
2011-01-24 21:49:01 C 05 27 44.24 +12 26 08.4 u 160
2011-01-24 21:51:58 C 05 27 44.03 +12 26 06.8 u 160
2011-01-25 05:47:42 C 05 27 13.46 +12 22 26.1 r 703
2011-01-25 05:57:29 C 05 27 12.81 +12 22 20.7 r 703
2011-01-25 06:07:23 C 05 27 12.20 +12 22 16.7 r 703
2011-01-25 06:17:40 C 05 27 11.55 +12 22 11.8 r 703
2011-01-25 06:28:35 C 05 27 10.80 +12 22 06.2 r 703
2011-01-27 05:05:04 C 05 24 20.66 +12 00 57.1 r 703
2011-01-27 05:12:33 C 05 24 20.19 +12 00 53.5 r 703
2011-01-27 05:20:04 C 05 24 19.72 +12 00 49.7 r 703