IAA RAS IAA Minor Planet Database

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
2019-09-28 16:44:27 s 1 +65760.599 0 +342260.29 6800.0 – C57
2019-09-28 18:14:27 S 15 25 48.665 +51 01 00.77 – V C57
2019-09-28 18:14:27 s 1 +62702.513 0 +344922.74 4050.0 – C57
2019-09-28 18:44:27 S 15 25 56.369 +51 02 03.70 – V C57
2019-09-28 18:44:27 s 1 +61679.607 0 +345789.61 1460.0 – C57
2019-09-28 20:44:27 S 15 26 29.438 +51 06 21.64 – V C57
2019-09-28 20:44:27 s 1 +57571.340 0 +349154.88 2830.0 – C57
2019-09-28 21:14:27 S 15 26 37.514 +51 07 25.21 – V C57
2019-09-28 21:14:27 s 1 +56540.309 0 +349970.80 6740.0 – C57
2019-09-28 21:44:27 S 15 26 44.438 +51 08 22.63 – V C57
2019-09-28 21:44:27 s 1 +55507.768 0 +350776.60 2330.0 – C57
2019-09-28 23:44:27 S 15 27 17.376 +51 12 38.23 – V C57
2019-09-28 23:44:27 s 1 +51363.265 0 +353899.38 3840.0 – C57
2019-09-29 00:14:27 S 15 27 24.552 +51 13 39.83 – V C57
2019-09-29 00:14:27 s 1 +50323.738 0 +354655.10 9610.0 – C57
2019-09-29 00:44:27 S 15 27 33.065 +51 14 46.72 – V C57
2019-09-29 00:44:27 s 1 +49282.923 0 +355400.88 7760.0 – C57
2019-09-29 02:14:27 S 15 27 58.104 +51 18 03.82 – V C57
2019-09-29 02:14:27 s 1 +46153.102 0 +357578.89 7680.0 – C57
2019-09-29 02:44:27 S 15 28 06.067 +51 19 03.50 – V C57
2019-09-29 02:44:27 s 1 +45107.485 0 +358285.20 6510.0 – C57
2019-09-29 03:14:27 S 15 28 14.026 +51 20 06.58 – V C57
2019-09-29 03:14:27 s 1 +44060.754 0 +358981.70 8300.0 – C57
2019-09-29 04:44:27 S 15 28 38.698 +51 23 21.16 – V C57
2019-09-29 04:44:27 s 1 +40914.210 0 +361012.64 2430.0 – C57
2019-09-29 05:14:27 S 15 28 46.733 +51 24 18.25 – V C57
2019-09-29 05:14:27 s 1 +39863.356 0 +361670.17 7100.0 – C57
2019-09-29 07:44:27 S 15 29 27.797 +51 29 38.04 – V C57
2019-09-29 07:44:27 s 1 +34595.494 0 +364813.08 4760.0 – C57
2019-09-29 08:14:27 S 15 29 35.482 +51 30 40.90 – V C57
2019-09-29 08:14:27 s 1 +33539.425 0 +365412.88 1880.0 – C57
2019-09-29 08:44:27 S 15 29 43.073 +51 31 35.83 – V C57
2019-09-29 08:44:27 s 1 +32482.596 0 +366003.13 3090.0 – C57
2019-09-29 10:14:27 S 15 30 07.452 +51 34 44.08 – V C57
2019-09-29 10:14:27 s 1 +29307.856 0 +367716.82 2310.0 – C57
2019-09-29 11:14:27 S 15 30 24.202 +51 36 54.54 – V C57
2019-09-29 11:14:27 s 1 +27188.118 0 +368811.96 4070.0 – C57
2019-09-29 12:44:27 S 15 30 49.306 +51 40 10.45 – V C57
2019-09-29 12:44:27 s 1 +24004.234 0 +370384.08 2050.0 – C57
2019-09-29 13:14:27 S 15 30 57.175 +51 41 10.36 – V C57
2019-09-29 13:14:27 s 1 +22941.914 0 +370889.38 4510.0 – C57
2019-09-29 13:44:27 S 15 31 04.423 +51 42 04.75 – V C57
2019-09-29 13:44:27 s 1 +21879.130 0 +371385.34 2020.0 – C57
2019-09-29 14:14:27 S 15 31 12.811 +51 43 09.88 – V C57
2019-09-29 14:14:27 s 1 +20815.908 0 +371871.98 4680.0 – C57
2019-09-29 15:44:27 S 15 31 38.234 +51 46 21.04 – V C57
2019-09-29 15:44:27 s 1 +17623.905 0 +373276.18 4420.0 – C57
2019-09-29 16:14:27 S 15 31 46.310 +51 47 26.02 – V C57
2019-09-29 16:14:27 s 1 +16559.216 0 +373725.73 8560.0 – C57
2019-09-29 18:14:27 S 15 32 18.494 +51 51 31.10 – V C57