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
2019-09-16 01:14:27 s 1 +25554.887 0 +363302.01 3280.0 – C57
2019-09-16 05:44:27 S 14 20 11.659 +38 34 32.88 – V C57
2019-09-16 05:44:27 s 1 +15830.509 0 +368380.57 3730.0 – C57
2019-09-16 06:14:27 S 14 20 17.174 +38 35 46.36 – V C57
2019-09-16 06:14:27 s 1 +14747.386 0 +368896.72 3620.0 – C57
2019-09-16 06:44:27 S 14 20 23.282 +38 37 17.58 – V C57
2019-09-16 06:44:27 s 1 +13663.844 0 +369403.34 8490.0 – C57
2019-09-16 08:44:27 S 14 20 47.731 +38 43 03.07 – V C57
2019-09-16 09:14:27 S 14 20 53.926 +38 44 29.47 – V C57
2019-09-16 10:44:27 S 14 21 11.986 +38 48 46.01 – V C57
2019-09-16 11:14:27 S 14 21 18.048 +38 50 19.46 – V C57
2019-09-16 11:44:27 S 14 21 25.027 +38 51 53.75 – V C57
2019-09-16 14:14:27 S 14 21 55.150 +38 58 59.70 – V C57
2019-09-16 14:44:27 S 14 22 00.821 +39 00 19.15 – V C57
2019-09-16 17:14:27 S 14 22 31.157 +39 07 26.76 – V C57
2019-09-16 19:14:27 S 14 22 55.282 +39 13 16.79 – V C57
2019-09-16 19:14:27 s 1 -13479.304 0 +379023.40 710.0 – C57
2019-09-16 20:14:27 S 14 23 07.553 +39 16 01.38 – V C57
2019-09-16 20:14:27 s 1 -15648.578 0 +379544.44 8460.0 – C57
2019-09-16 22:44:27 S 14 23 37.596 +39 23 11.18 – V C57
2019-09-16 22:44:27 s 1 -21065.593 0 +380688.82 2950.0 – C57
2019-09-17 01:14:27 S 14 24 08.522 +39 30 30.85 – V C57
2019-09-17 01:14:27 s 1 -26471.343 0 +381608.53 1000.0 – C57
2019-09-19 01:44:27 S 14 33 58.702 +41 47 03.44 – V C57
2019-09-19 01:44:27 s 1 -124951.64 8 +356399.15 9100.0 – C57
2019-09-19 03:44:27 S 14 34 24.466 +41 52 48.18 – V C57
2019-09-19 03:44:27 s 1 -128578.01 0 +353622.91 9840.0 – C57
2019-09-19 04:44:27 S 14 34 35.861 +41 55 29.93 – V C57
2019-09-19 04:44:27 s 1 -130372.78 2 +352182.86 2370.0 – C57
2019-09-19 06:44:27 S 14 35 00.948 +42 01 09.66 – V C57
2019-09-19 06:44:27 s 1 -133924.27 6 +349198.68 8280.0 – C57
2019-09-19 07:14:27 S 14 35 06.979 +42 02 26.88 – V C57
2019-09-19 07:14:27 s 1 -134804.03 9 +348430.91 7340.0 – C57
2019-09-19 09:44:27 S 14 35 37.277 +42 09 26.14 – V C57
2019-09-19 09:44:27 s 1 -139152.58 3 +344461.36 8570.0 – C57
2019-09-19 10:14:27 S 14 35 43.452 +42 10 50.45 – V C57
2019-09-19 10:14:27 s 1 -140012.00 8 +343641.26 9360.0 – C57
2019-09-19 10:44:27 S 14 35 48.823 +42 12 06.52 – V C57
2019-09-19 10:44:27 s 1 -140867.92 7 +342812.41 3450.0 – C57
2019-09-19 15:14:27 S 14 36 44.659 +42 24 38.38 – V C57
2019-09-19 15:14:27 s 1 -148407.73 9 +334957.56 2670.0 – C57
2019-09-19 15:44:27 S 14 36 50.210 +42 25 57.18 – V C57
2019-09-19 15:44:27 s 1 -149226.68 5 +334040.73 4370.0 – C57
2019-09-19 17:14:27 S 14 37 10.202 +42 30 23.08 – V C57
2019-09-19 17:14:27 s 1 -151659.99 7 +331237.07 2300.0 – C57
2019-09-19 17:44:27 S 14 37 15.730 +42 31 43.39 – V C57
2019-09-19 17:44:27 s 1 -152463.13 4 +330284.77 2200.0 – C57
2019-09-19 20:14:27 S 14 37 45.828 +42 38 28.82 – V C57
2019-09-19 20:14:27 s 1 -156417.32 9 +325389.63 6330.0 – C57
2019-09-19 21:14:27 S 14 37 58.325 +42 41 08.45 – V C57