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
2019-02-05 08:30:06 C 05 09 46.57 +11 24 59.4 – V T05
2019-02-05 08:43:34 C 05 09 46.18 +11 24 54.2 – V T05
2019-02-05 08:50:19 C 05 09 45.92 +11 24 51.5 – V T05
2019-02-05 08:51:00 C 05 09 45.93 +11 24 51.9 – V T05
2019-02-05 09:11:11 C 05 09 45.30 +11 24 45.4 – V T05
2019-02-09 05:15:05 C 05 07 28.58 +10 55 47.5 – V 703
2019-02-09 05:22:40 C 05 07 28.39 +10 55 45.4 – V 703
2019-02-09 05:30:15 C 05 07 28.16 +10 55 43.5 – V 703
2019-02-09 05:37:51 C 05 07 28.06 +10 55 40.2 – V 703
2019-02-17 02:00:24 C 05 05 22.07 +10 07 55.6 – u H21
2019-02-17 02:09:48 C 05 05 22.01 +10 07 53.7 – u H21
2019-02-17 02:18:32 C 05 05 21.98 +10 07 51.8 – u H21
2019-03-29 03:20:32 C 05 32 43.18 +08 16 02.5 – V 703
2019-03-29 03:35:40 C 05 32 43.83 +08 15 58.5 – V 703
2019-03-29 03:43:15 C 05 32 44.23 +08 15 58.5 – V 703
2019-09-14 15:44:27 S 14 12 30.228 +36 44 29.00 – V C57
2019-09-14 15:44:27 s 1 +94247.746 0 +299111.14 7490.0 – C57
2019-09-14 16:14:27 S 14 12 35.282 +36 45 44.93 – V C57
2019-09-14 16:14:27 s 1 +93307.556 0 +300441.38 9090.0 – C57
2019-09-14 16:44:27 S 14 12 41.275 +36 47 07.84 – V C57
2019-09-14 16:44:27 s 1 +92363.551 0 +301759.36 4650.0 – C57
2019-09-14 19:14:27 S 14 13 11.585 +36 54 23.36 – V C57
2019-09-14 19:14:27 s 1 +87588.763 0 +308167.11 9750.0 – C57
2019-09-14 21:44:27 S 14 13 42.478 +37 01 39.22 – V C57
2019-09-14 21:44:27 s 1 +82728.833 0 +314276.11 6880.0 – C57
2019-09-15 00:44:27 S 14 14 19.822 +37 10 36.52 – V C57
2019-09-15 00:44:27 s 1 +76795.547 0 +321221.35 9480.0 – C57
2019-09-15 03:44:27 S 14 14 55.416 +37 18 58.00 – V C57
2019-09-15 03:44:27 s 1 +70763.423 0 +327755.44 9430.0 – C57
2019-09-15 04:44:27 S 14 15 08.196 +37 22 10.31 – V C57
2019-09-15 04:44:27 s 1 +68732.758 0 +329843.75 5340.0 – C57
2019-09-15 06:14:27 S 14 15 25.814 +37 26 21.44 – V C57
2019-09-15 06:14:27 s 1 +65669.443 0 +332893.23 5570.0 – C57
2019-09-15 08:14:27 S 14 15 49.906 +37 32 07.08 – V C57
2019-09-15 08:14:27 s 1 +61554.718 0 +336805.99 6310.0 – C57
2019-09-15 08:44:27 S 14 15 56.069 +37 33 42.16 – V C57
2019-09-15 08:44:27 s 1 +60520.935 0 +337757.07 3300.0 – C57
2019-09-15 11:14:27 S 14 16 27.295 +37 41 05.24 – V C57
2019-09-15 11:14:27 s 1 +55323.652 0 +342351.72 1360.0 – C57
2019-09-15 13:44:27 S 14 16 57.641 +37 48 15.91 – V C57
2019-09-15 13:44:27 s 1 +50082.998 0 +346681.63 7340.0 – C57
2019-09-15 14:14:27 S 14 17 03.919 +37 49 47.42 – V C57
2019-09-15 14:14:27 s 1 +49030.115 0 +347516.22 2170.0 – C57
2019-09-15 19:44:27 S 14 18 10.397 +38 05 42.47 – V C57
2019-09-15 19:44:27 s 1 +37358.359 0 +356017.88 2160.0 – C57
2019-09-15 21:44:27 S 14 18 34.550 +38 11 26.27 – V C57
2019-09-15 21:44:27 s 1 +33079.009 0 +358805.59 4350.0 – C57
2019-09-15 23:44:27 S 14 18 57.974 +38 17 06.61 – V C57
2019-09-15 23:44:27 s 1 +28784.477 0 +361434.10 8890.0 – C57
2019-09-16 01:14:27 S 14 19 16.663 +38 21 26.03 – V C57