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
2019-09-26 10:14:27 s 1 +151137.88 5 +172210.67 5220.0 – C57
2019-09-26 12:14:27 S 15 11 36.509 +49 04 48.18 – V C57
2019-09-26 12:14:27 s 1 +149691.18 7 +181442.75 1920.0 – C57
2019-09-26 13:14:27 S 15 11 51.115 +49 06 48.82 – V C57
2019-09-26 13:14:27 s 1 +148883.52 7 +185956.68 4410.0 – C57
2019-09-26 14:44:27 S 15 12 14.921 +49 10 06.35 – V C57
2019-09-26 14:44:27 s 1 +147573.09 7 +192602.10 6260.0 – C57
2019-09-26 15:14:27 S 15 12 22.975 +49 11 14.10 – V C57
2019-09-26 15:14:27 s 1 +147110.97 4 +194784.18 1560.0 – C57
2019-09-26 15:44:27 S 15 12 29.899 +49 12 13.07 – V C57
2019-09-26 15:44:27 s 1 +146636.62 1 +196949.87 5490.0 – C57
2019-09-26 17:44:27 S 15 13 01.774 +49 16 41.27 – V C57
2019-09-26 17:44:27 s 1 +144621.74 7 +205450.80 1820.0 – C57
2019-09-26 18:14:27 S 15 13 09.043 +49 17 42.04 – V C57
2019-09-26 18:14:27 s 1 +144089.81 8 +207536.03 9530.0 – C57
2019-09-26 20:14:27 S 15 13 40.771 +49 22 06.28 – V C57
2019-09-26 20:14:27 s 1 +141855.78 2 +215719.75 4500.0 – C57
2019-09-26 21:14:27 S 15 13 55.666 +49 24 08.71 – V C57
2019-09-26 21:14:27 s 1 +140677.81 7 +219718.54 6020.0 – C57
2019-09-26 22:44:27 S 15 14 20.203 +49 27 34.31 – V C57
2019-09-26 22:44:27 s 1 +138838.99 4 +225602.38 7630.0 – C57
2019-09-26 23:14:27 S 15 14 27.142 +49 28 32.27 – V C57
2019-09-26 23:14:27 s 1 +138207.60 9 +227533.50 170.0 – C57
2019-09-27 01:14:27 S 15 14 58.800 +49 32 52.44 – V C57
2019-09-27 01:14:27 s 1 +135594.39 5 +235109.53 840.0 – C57
2019-09-27 02:44:27 S 15 15 20.983 +49 36 06.52 – V C57
2019-09-27 02:44:27 s 1 +133546.91 7 +240637.94 5020.0 – C57
2019-09-27 04:14:27 S 15 15 45.828 +49 39 25.67 – V C57
2019-09-27 04:14:27 s 1 +131428.91 0 +246037.07 6170.0 – C57
2019-09-27 04:44:27 S 15 15 53.549 +49 40 28.31 – V C57
2019-09-27 04:44:27 s 1 +130707.89 8 +247808.42 9020.0 – C57
2019-09-27 05:14:27 S 15 16 00.571 +49 41 26.99 – V C57
2019-09-27 05:14:27 s 1 +129979.60 9 +249565.71 5470.0 – C57
2019-09-27 07:14:27 S 15 16 32.414 +49 45 49.28 – V C57
2019-09-27 07:14:27 s 1 +126996.27 9 +256455.78 5180.0 – C57
2019-09-27 08:14:27 S 15 16 47.105 +49 47 52.98 – V C57
2019-09-27 08:14:27 s 1 +125464.25 9 +259818.39 1760.0 – C57
2019-09-27 09:44:27 S 15 17 11.652 +49 51 15.62 – V C57
2019-09-27 09:44:27 s 1 +123118.45 6 +264760.84 9520.0 – C57
2019-09-27 10:14:27 S 15 17 19.517 +49 52 22.40 – V C57
2019-09-27 10:14:27 s 1 +122324.23 5 +266381.54 2940.0 – C57
2019-09-27 10:44:27 S 15 17 26.328 +49 53 17.23 – V C57
2019-09-27 10:44:27 s 1 +121524.05 2 +267988.97 4000.0 – C57
2019-09-27 12:14:27 S 15 17 51.024 +49 56 38.90 – V C57
2019-09-27 12:14:27 s 1 +119088.78 5 +272732.24 6310.0 – C57
2019-09-27 13:14:27 S 15 18 06.286 +49 58 45.26 – V C57
2019-09-27 13:14:27 s 1 +117437.35 9 +275829.22 5260.0 – C57
2019-09-27 15:14:27 S 15 18 38.167 +50 03 10.04 – V C57
2019-09-27 15:14:27 s 1 +114071.00 6 +281868.95 9800.0 – C57
2019-09-27 15:44:27 S 15 18 44.976 +50 04 03.14 – V C57