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
2019-09-20 23:14:27 s 1 -191130.35 8 +257885.69 8390.0 – C57
2019-09-20 23:44:27 S 14 43 22.306 +43 53 23.28 – V C57
2019-09-20 23:44:27 s 1 -191605.01 7 +256373.57 8230.0 – C57
2019-09-21 00:14:27 S 14 43 27.372 +43 54 30.20 – V C57
2019-09-21 00:14:27 s 1 -192072.32 2 +254851.55 710.0 – C57
2019-09-21 02:44:27 S 14 43 58.265 +44 01 18.16 – V C57
2019-09-21 02:44:27 s 1 -194295.68 7 +247092.07 4830.0 – C57
2019-09-21 04:44:27 S 14 44 22.735 +44 06 45.97 – V C57
2019-09-21 04:44:27 s 1 -195933.51 1 +240703.79 4140.0 – C57
2019-09-21 05:14:27 S 14 44 28.771 +44 07 59.56 – V C57
2019-09-21 05:14:27 s 1 -196322.66 6 +239081.42 270.0 – C57
2019-09-21 05:44:27 S 14 44 34.423 +44 09 16.52 – V C57
2019-09-21 05:44:27 s 1 -196703.51 7 +237448.89 6410.0 – C57
2019-09-21 07:14:27 S 14 44 52.997 +44 13 21.94 – V C57
2019-09-21 07:14:27 s 1 -197795.28 7 +232490.01 2260.0 – C57
2019-09-21 07:44:27 S 14 44 59.750 +44 14 49.06 – V C57
2019-09-21 07:44:27 s 1 -198141.95 7 +230816.55 5780.0 – C57
2019-09-21 08:14:27 S 14 45 05.294 +44 16 05.88 – V C57
2019-09-21 08:14:27 s 1 -198479.83 3 +229132.79 7960.0 – C57
2019-09-21 10:14:27 S 14 45 29.906 +44 21 30.35 – V C57
2019-09-21 10:14:27 s 1 -199741.32 3 +222294.28 7500.0 – C57
2019-09-21 10:44:27 S 14 45 35.719 +44 22 40.98 – V C57
2019-09-21 10:44:27 s 1 -200033.65 5 +220558.66 8600.0 – C57
2019-09-21 15:14:27 S 14 46 30.598 +44 34 44.90 – V C57
2019-09-21 15:14:27 s 1 -202225.94 7 +204464.51 8940.0 – C57
2019-09-21 15:44:27 S 14 46 35.995 +44 36 10.66 – V C57
2019-09-21 15:44:27 s 1 -202418.55 4 +202623.17 3930.0 – C57
2019-09-21 16:14:27 S 14 46 42.451 +44 37 24.74 – V C57
2019-09-21 16:14:27 s 1 -202600.49 3 +200771.11 2370.0 – C57
2019-09-21 18:14:27 S 14 47 07.068 +44 42 43.02 – V C57
2019-09-21 18:14:27 s 1 -203218.81 6 +193255.14 3030.0 – C57
2019-09-21 18:44:27 S 14 47 13.442 +44 44 10.64 – V C57
2019-09-21 18:44:27 s 1 -203345.32 7 +191349.08 2940.0 – C57
2019-09-21 19:14:27 S 14 47 18.996 +44 45 21.56 – V C57
2019-09-21 19:14:27 s 1 -203460.31 5 +189432.15 3930.0 – C57
2019-09-21 20:44:27 S 14 47 37.037 +44 49 17.72 – V C57
2019-09-21 20:44:27 s 1 -203734.61 3 +183615.81 9070.0 – C57
2019-09-21 21:14:27 S 14 47 43.884 +44 50 44.99 – V C57
2019-09-21 21:14:27 s 1 -203801.96 2 +181655.10 40.0 – C57
2019-09-21 21:44:27 S 14 47 49.502 +44 51 59.69 – V C57
2019-09-21 21:44:27 s 1 -203856.99 8 +179683.38 9880.0 – C57
2019-09-21 22:14:27 S 14 47 54.720 +44 53 11.51 – V C57
2019-09-21 22:14:27 s 1 -203899.55 4 +177700.63 8120.0 – C57
2019-09-22 00:44:27 S 14 48 25.066 +44 59 48.05 – V C57
2019-09-22 00:44:27 s 1 -203919.01 1 +167620.52 8250.0 – C57
2019-09-22 05:21:42 C 14 48 09.13 +45 08 21.3 – V T05
2019-09-22 05:29:32 C 14 48 10.83 +45 08 41.1 – V T05
2019-09-22 05:34:55 C 14 48 11.96 +45 08 54.3 – V T05
2019-09-22 05:48:07 C 14 48 14.76 +45 09 26.7 – V T05
2019-09-22 05:49:33 C 14 48 15.07 +45 09 30.6 – V T05