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
2019-10-27 10:44:26 s 1 -61511.004 0 +379515.27 6970.0 C57
2019-10-27 11:44:26 S 19 37 44.904 +61 19 34.14 V C57
2019-10-27 11:44:26 s 1 -63471.303 0 +378887.57 7340.0 C57
2019-10-27 12:44:26 S 19 38 11.388 +61 18 55.12 V C57
2019-10-27 12:44:26 s 1 -65425.249 0 +378225.32 320.0 C57
2019-10-27 13:14:26 S 19 38 24.206 +61 18 37.69 V C57
2019-10-27 13:14:26 s 1 -66399.781 0 +377881.24 8850.0 C57
2019-10-27 13:44:26 S 19 38 36.386 +61 18 21.78 V C57
2019-10-27 13:44:26 s 1 -67372.654 0 +377528.50 5330.0 C57
2019-10-27 15:44:26 S 19 39 27.722 +61 17 12.52 V C57
2019-10-27 15:44:26 s 1 -71247.069 0 +376031.02 9170.0 C57
2019-10-27 16:14:26 S 19 39 39.982 +61 16 55.74 V C57
2019-10-27 16:14:26 s 1 -72211.282 0 +375635.00 4260.0 C57
2019-10-27 18:14:26 S 19 40 31.202 +61 15 48.13 V C57
2019-10-27 18:14:26 s 1 -76049.844 0 +373964.17 8910.0 C57
2019-10-27 18:44:26 S 19 40 43.267 +61 15 33.62 V C57
2019-10-27 18:44:26 s 1 -77004.787 0 +373524.76 780.0 C57
2019-10-27 21:14:26 S 19 41 46.596 +61 14 05.75 V C57
2019-10-27 21:14:26 s 1 -81750.067 0 +371197.21 5680.0 C57
2019-10-27 23:44:26 S 19 42 49.975 +61 12 38.99 V C57
2019-10-27 23:44:26 s 1 -86443.944 0 +368651.61 9550.0 C57
2019-10-28 01:14:26 S 19 43 26.021 +61 11 47.51 V C57
2019-10-28 01:14:26 s 1 -89234.242 0 +367019.24 6980.0 C57
2019-10-28 02:44:26 S 19 44 04.922 +61 10 50.81 V C57
2019-10-28 02:44:26 s 1 -92004.139 0 +365307.86 9660.0 C57
2019-10-28 03:44:26 S 19 44 29.868 +61 10 16.39 V C57
2019-10-28 03:44:26 s 1 -93839.041 0 +364122.94 1070.0 C57
2019-10-28 05:14:26 S 19 45 08.542 +61 09 20.27 V C57
2019-10-28 05:14:26 s 1 -96573.293 0 +362279.38 1010.0 C57
2019-10-28 05:44:26 S 19 45 20.878 +61 09 04.03 V C57
2019-10-28 05:44:26 s 1 -97479.772 0 +361647.17 2080.0 C57
2019-10-28 05:51:19 C 19 45 50.79 +61 23 54.2 V T05
2019-10-28 05:51:59 C 19 45 51.04 +61 23 53.8 V T05
2019-10-28 05:55:35 C 19 45 52.50 +61 23 51.5 V T05
2019-10-28 05:56:15 C 19 45 52.76 +61 23 51.0 V T05
2019-10-28 06:04:56 C 19 45 56.22 +61 23 45.1 V T05
2019-10-28 06:06:54 C 19 45 57.04 +61 23 43.8 V T05
2019-10-28 08:44:26 S 19 46 35.431 +61 07 15.78 V C57
2019-10-28 08:44:26 s 1 -102864.77 2 +357667.53 9070.0 C57
2019-10-28 09:14:26 S 19 46 48.103 +61 06 57.49 V C57
2019-10-28 09:14:26 s 1 -103753.01 9 +356973.09 6200.0 C57
2019-10-28 10:44:26 S 19 47 26.273 +61 06 01.40 V C57
2019-10-28 10:44:26 s 1 -106401.30 1 +354836.10 6080.0 C57
2019-10-28 11:44:26 S 19 47 51.041 +61 05 23.68 V C57
2019-10-28 11:44:26 s 1 -108152.79 9 +353366.62 2190.0 C57
2019-10-28 13:14:26 S 19 48 29.395 +61 04 26.36 V C57
2019-10-28 13:14:26 s 1 -110757.27 2 +351096.09 7200.0 C57
2019-10-28 13:44:26 S 19 48 41.078 +61 04 07.25 V C57
2019-10-28 13:44:26 s 1 -111619.89 1 +350320.80 4340.0 C57
2019-10-28 14:14:26 S 19 48 53.482 +61 03 49.93 V C57