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
2019-10-28 14:14:26 s 1 -112479.50 5 +349536.46 5460.0 C57
2019-10-28 14:44:26 S 19 49 06.043 +61 03 30.10 V C57
2019-10-28 14:44:26 s 1 -113336.07 9 +348743.06 490.0 C57
2019-10-28 16:14:26 S 19 49 44.275 +61 02 34.19 V C57
2019-10-28 16:14:26 s 1 -115887.24 0 +346308.33 7970.0 C57
2019-10-28 16:44:26 S 19 49 57.142 +61 02 13.81 V C57
2019-10-28 16:44:26 s 1 -116731.32 7 +345478.53 7610.0 C57
2019-10-28 17:14:26 S 19 50 08.906 +61 01 54.91 V C57
2019-10-28 17:14:26 s 1 -117572.20 7 +344639.60 660.0 C57
2019-10-28 19:14:26 S 19 50 58.838 +61 00 38.84 V C57
2019-10-28 19:14:26 s 1 -120902.96 0 +341192.17 4980.0 C57
2019-10-28 19:44:26 S 19 51 11.299 +61 00 18.04 V C57
2019-10-28 19:44:26 s 1 -121727.27 9 +340307.32 3570.0 C57
2019-10-28 21:44:26 S 19 52 01.426 +60 59 00.46 V C57
2019-10-28 21:44:26 s 1 -124989.98 6 +336675.38 4910.0 C57
2019-10-28 22:14:26 S 19 52 13.992 +60 58 42.13 V C57
2019-10-28 22:14:26 s 1 -125796.83 4 +335744.18 6450.0 C57
2019-10-28 22:44:26 S 19 52 25.915 +60 58 22.66 V C57
2019-10-28 22:44:26 s 1 -126600.07 5 +334803.66 250.0 C57
2019-10-29 00:44:26 S 19 53 15.977 +60 57 03.56 V C57
2019-10-29 00:44:26 s 1 -129776.18 2 +330947.99 5890.0 C57
2019-10-29 01:14:26 S 19 53 28.430 +60 56 44.12 V C57
2019-10-29 01:14:26 s 1 -130560.79 7 +329960.58 9340.0 C57
2019-10-29 02:10:39 C 19 54 06.57 +61 10 00.0 V 703
2019-10-29 02:19:44 C 19 54 10.12 +61 09 53.2 V 703
2019-10-29 02:24:57 C 19 54 12.19 +61 09 49.5 V 703
2019-10-29 02:30:09 C 19 54 14.26 +61 09 45.4 V 703
2019-10-29 07:14:26 S 19 55 56.952 +60 52 48.58 V C57
2019-10-29 07:14:26 s 1 -139664.01 1 +317369.50 9880.0 C57
2019-10-29 08:14:26 S 19 56 22.349 +60 52 04.15 V C57
2019-10-29 08:14:26 s 1 -141122.09 2 +315136.23 8870.0 C57
2019-10-29 11:14:26 S 19 57 36.818 +60 50 03.80 V C57
2019-10-29 11:14:26 s 1 -145387.44 8 +308201.65 6920.0 C57
2019-10-29 15:44:26 S 19 59 27.614 +60 46 55.88 V C57
2019-10-29 15:44:26 s 1 -151459.48 9 +297129.35 3230.0 C57
2019-10-29 16:14:26 S 19 59 40.570 +60 46 34.25 V C57
2019-10-29 16:14:26 s 1 -152108.55 1 +295848.69 7160.0 C57
2019-11-01 06:36:11 C 20 23 55.85 +60 04 02.3 V T05
2019-11-01 06:40:48 C 20 23 57.56 +60 03 57.5 V T05
2019-11-01 06:45:27 C 20 23 59.27 +60 03 52.7 V T05
2019-11-03 06:16:18 C 20 41 25.89 +59 13 04.0 V T08
2019-11-03 06:20:57 C 20 41 27.53 +59 12 58.8 V T08
2019-11-03 06:29:02 C 20 41 30.34 +59 12 49.5 V T08
2019-11-04 15:24:33 C 20 53 03.59 +58 33 47.4 q C97
2019-11-04 15:26:44 C 20 53 04.29 +58 33 44.0 q C97
2019-11-04 15:28:56 C 20 53 04.89 +58 33 41.5 q C97
2019-11-04 15:31:07 C 20 53 05.58 +58 33 40.1 q C97
2019-11-05 06:01:43 C 20 58 02.06 +58 15 35.6 V T05
2019-11-05 06:14:35 C 20 58 06.29 +58 15 18.9 V T05
2019-11-05 06:30:00 C 20 58 11.37 +58 14 59.1 V T05