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
2011-01-27 05:27:21 C 05 24 19.33 +12 00 46.9 r 703
2011-02-04 21:50:52 C 05 14 43.69 +10 40 10.4 c A24
2011-02-04 21:52:14 C 05 14 43.64 +10 40 08.5 c A24
2011-02-04 22:06:14 C 05 14 43.14 +10 40 04.2 c A24
2011-02-04 22:21:35 C 05 14 42.61 +10 39 58.9 c A24
2011-02-04 22:35:35 C 05 14 42.09 +10 39 53.9 c A24
2011-02-04 22:36:57 C 05 14 42.10 +10 39 54.2 c A24
2011-02-05 19:02:07 C 05 14 01.87 +10 33 12.5 u 240
2011-02-05 19:09:46 C 05 14 01.62 +10 33 09.8 u 240
2011-02-05 19:25:04 C 05 14 01.10 +10 33 04.4 u 240
2011-02-05 19:32:44 C 05 14 00.85 +10 33 02.0 u 240
2011-02-05 19:40:22 C 05 14 00.59 +10 32 59.5 u 240
2011-02-05 20:58:00 C 05 13 57.99 +10 32 35.4 c A24
2011-02-05 21:27:24 C 05 13 57.01 +10 32 25.7 c A24
2011-02-05 21:42:46 C 05 13 56.49 +10 32 19.9 c A24
2011-02-07 20:27:11 C 05 12 34.73 +10 17 49.0 c A24
2011-02-07 20:28:33 C 05 12 34.70 +10 17 48.9 c A24
2011-02-07 20:42:35 C 05 12 34.29 +10 17 44.4 c A24
2011-02-07 20:57:31 C 05 12 33.86 +10 17 39.7 c A24
2011-02-07 21:12:00 C 05 12 33.44 +10 17 35.2 c A24
2011-02-07 21:13:23 C 05 12 33.53 +10 17 34.4 c A24
2011-02-08 18:45:57 C 05 12 00.70 +10 11 15.1 c A24
2011-02-08 18:47:19 C 05 12 00.66 +10 11 14.1 c A24
2011-02-08 19:30:15 C 05 11 59.54 +10 11 01.9 c A24
2011-02-08 20:13:39 C 05 11 58.41 +10 10 49.1 c A24
2011-02-08 20:57:29 C 05 11 57.28 +10 10 36.3 c A24
2011-02-10 04:56:48 C 05 11 13.88 +10 01 38.0 r 703
2011-02-10 05:10:01 C 05 11 13.59 +10 01 33.6 r 703
2011-02-10 05:23:07 C 05 11 13.27 +10 01 30.3 r 703
2011-02-10 05:36:16 C 05 11 12.98 +10 01 26.3 r 703
2011-02-10 05:49:26 C 05 11 12.73 +10 01 23.1 r 703
2011-02-10 19:53:12 C 05 10 55.91 +09 57 33.0 c A24
2011-02-10 20:18:05 C 05 10 55.40 +09 57 26.0 c A24
2011-02-10 20:43:54 C 05 10 54.84 +09 57 19.2 c A24
2011-02-10 21:10:37 C 05 10 54.26 +09 57 12.9 c A24
2011-03-01 02:17:45 C 05 10 47.38 +08 34 09.8 19.6 c 704
2011-03-01 02:35:54 C 05 10 47.77 +08 34 06.9 20.1 c 704
2011-03-01 02:54:12 C 05 10 48.00 +08 34 04.9 19.9 c 704
2011-03-01 03:12:19 C 05 10 48.23 +08 34 02.7 20.1 c 704
2011-03-01 03:30:28 C 05 10 48.54 +08 33 58.8 19.9 c 704
2011-03-25 19:34:02 C 05 30 46.09 +07 41 41.3 c A24
2011-03-25 19:56:48 C 05 30 47.11 +07 41 38.9 c A24
2011-03-30 19:16:26 C 05 36 49.68 +07 33 18.6 c A24
2011-03-30 19:29:21 C 05 36 50.35 +07 33 17.3 c A24
2011-03-30 19:38:07 C 05 36 50.79 +07 33 16.3 c A24
2011-03-31 19:13:16 C 05 38 06.59 +07 31 37.3 c A24
2011-03-31 19:26:11 C 05 38 07.32 +07 31 35.8 c A24
2011-03-31 19:34:57 C 05 38 07.83 +07 31 34.3 c A24
2011-03-31 19:57:40 C 05 38 08.92 +07 31 33.1 c A24
2011-03-31 20:06:27 C 05 38 09.48 +07 31 33.3 c A24