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
2019-10-01 17:44:27 S 15 45 34.212 +53 28 38.53 – V C57
2019-10-01 17:44:27 s 1 -86380.790 0 +374524.84 2240.0 – C57
2019-10-01 19:44:27 S 15 46 08.119 +53 32 37.79 – V C57
2019-10-01 19:44:27 s 1 -90272.820 0 +372788.41 4860.0 – C57
2019-10-01 20:14:27 S 15 46 16.769 +53 33 35.75 – V C57
2019-10-01 20:14:27 s 1 -91240.578 0 +372333.02 110.0 – C57
2019-10-01 23:14:27 S 15 47 08.306 +53 39 34.92 – V C57
2019-10-01 23:14:27 s 1 -97001.114 0 +369421.65 9580.0 – C57
2019-10-02 00:44:27 S 15 47 34.704 +53 42 36.72 – V C57
2019-10-02 00:44:27 s 1 -99850.663 0 +367850.73 9570.0 – C57
2019-10-02 04:44:27 S 15 48 42.223 +53 50 24.90 – V C57
2019-10-02 04:44:27 s 1 -107342.86 4 +363284.89 1500.0 – C57
2019-10-02 06:14:27 S 15 49 08.676 +53 53 27.24 – V C57
2019-10-02 06:14:27 s 1 -110110.40 7 +361431.03 9380.0 – C57
2019-10-02 07:14:27 S 15 49 24.922 +53 55 21.54 – V C57
2019-10-02 07:14:27 s 1 -111942.10 4 +360152.07 3760.0 – C57
2019-10-02 08:44:27 S 15 49 51.965 +53 58 17.98 – V C57
2019-10-02 08:44:27 s 1 -114669.08 9 +358168.89 7380.0 – C57
2019-10-02 09:14:27 S 15 50 00.960 +53 59 25.08 – V C57
2019-10-02 09:14:27 s 1 -115572.48 7 +357490.54 1460.0 – C57
2019-10-02 09:44:27 S 15 50 08.659 +54 00 17.68 – V C57
2019-10-02 09:44:27 s 1 -116473.03 8 +356803.53 180.0 – C57
2019-10-02 10:14:27 S 15 50 16.877 +54 01 12.50 – V C57
2019-10-02 10:14:27 s 1 -117370.71 3 +356107.86 3440.0 – C57
2019-10-02 11:14:27 S 15 50 35.539 +54 03 20.30 – V C57
2019-10-02 11:14:27 s 1 -119157.31 5 +354690.48 3250.0 – C57
2019-10-02 11:44:27 S 15 50 44.232 +54 04 20.64 – V C57
2019-10-02 11:44:27 s 1 -120046.18 3 +353968.76 9630.0 – C57
2019-10-02 12:14:27 S 15 50 52.022 +54 05 12.48 – V C57
2019-10-02 12:14:27 s 1 -120932.05 6 +353238.34 210.0 – C57
2019-10-02 12:44:27 S 15 51 00.898 +54 06 08.78 – V C57
2019-10-02 12:44:27 s 1 -121814.90 2 +352499.21 4900.0 – C57
2019-10-02 14:14:26 S 15 51 27.977 +54 09 14.83 – V C57
2019-10-02 14:14:26 s 1 -124444.97 7 +350229.49 2730.0 – C57
2019-10-02 14:44:27 S 15 51 35.640 +54 10 06.38 – V C57
2019-10-02 14:44:27 s 1 -125315.41 0 +349455.44 2970.0 – C57
2019-10-02 15:14:27 S 15 51 45.070 +54 11 08.92 – V C57
2019-10-02 15:14:27 s 1 -126182.66 1 +348672.63 6860.0 – C57
2019-10-02 16:44:27 S 15 52 10.733 +54 14 01.07 – V C57
2019-10-02 16:44:27 s 1 -128765.00 1 +346271.57 9580.0 – C57
2019-10-02 17:14:26 S 15 52 19.435 +54 15 01.37 – V C57
2019-10-02 17:14:26 s 1 -129619.20 2 +345453.64 7190.0 – C57
2019-10-02 17:44:27 S 15 52 27.871 +54 15 58.25 – V C57
2019-10-02 17:44:27 s 1 -130470.05 8 +344626.89 7980.0 – C57
2019-10-02 18:14:27 S 15 52 35.525 +54 16 51.67 – V C57
2019-10-02 18:14:27 s 1 -131317.53 7 +343791.33 1870.0 – C57
2019-10-02 19:44:27 S 15 53 02.578 +54 19 53.58 – V C57
2019-10-02 19:44:27 s 1 -133839.36 6 +341231.62 1160.0 – C57
2019-10-02 20:14:26 S 15 53 11.170 +54 20 47.76 – V C57
2019-10-02 20:14:26 s 1 -134672.99 3 +340360.67 6460.0 – C57