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
2019-10-21 16:14:26 s 1 +150280.93 3 +80444.936 7480.0 – C57
2019-10-21 16:44:26 S 18 38 10.829 +62 07 50.38 – V C57
2019-10-21 16:44:26 s 1 +150804.08 1 +83402.221 4640.0 – C57
2019-10-21 17:07:29 S 18 39 28.91 +62 11 15.5 – L C51
2019-10-21 18:44:26 S 18 39 02.866 +62 07 29.17 – V C57
2019-10-21 18:44:26 s 1 +152562.38 4 +95040.469 8030.0 – C57
2019-10-21 19:14:26 S 18 39 14.345 +62 07 21.22 – V C57
2019-10-21 19:14:26 s 1 +152922.87 5 +97902.096 300.0 – C57
2019-10-21 19:44:26 S 18 39 27.048 +62 07 16.32 – V C57
2019-10-21 19:44:26 s 1 +153253.41 7 +100744.51 930.0 – C57
2019-10-21 20:14:26 S 18 39 38.438 +62 07 11.60 – V C57
2019-10-21 20:14:26 s 1 +153554.80 0 +103567.72 2190.0 – C57
2019-10-21 20:15:49 S 18 40 49.85 +62 11 24.4 – L C51
2019-10-21 21:14:26 S 18 40 04.627 +62 06 58.00 – V C57
2019-10-21 21:14:26 s 1 +154073.11 2 +109156.60 5220.0 – C57
2019-10-21 21:44:26 S 18 40 17.573 +62 06 54.22 – V C57
2019-10-21 21:44:26 s 1 +154291.48 7 +111922.32 1130.0 – C57
2019-10-21 22:14:26 S 18 40 29.784 +62 06 49.07 – V C57
2019-10-21 22:14:26 s 1 +154483.59 9 +114668.95 5960.0 – C57
2019-10-21 22:44:26 S 18 40 41.609 +62 06 40.82 – V C57
2019-10-21 22:44:26 s 1 +154650.11 1 +117396.53 1620.0 – C57
2019-10-21 23:24:07 S 18 42 10.78 +62 11 29.5 – L C51
2019-10-22 00:14:26 S 18 41 20.162 +62 06 25.13 – V C57
2019-10-22 00:14:26 s 1 +155002.34 5 +125465.57 1700.0 – C57
2019-10-22 01:14:26 S 18 41 45.238 +62 06 13.61 – V C57
2019-10-22 01:14:26 s 1 +155120.35 9 +130750.83 4830.0 – C57
2019-10-22 02:44:26 S 18 42 22.853 +62 05 55.18 – V C57
2019-10-22 02:44:26 s 1 +155133.20 2 +138539.07 6100.0 – C57
2019-10-22 03:14:26 S 18 42 36.521 +62 05 48.48 – V C57
2019-10-22 03:14:26 s 1 +155095.75 3 +141098.24 5560.0 – C57
2019-10-22 03:24:52 C 18 43 53.24 +62 11 42.5 – U I41
2019-10-22 03:26:52 C 18 43 54.09 +62 11 42.4 – U I41
2019-10-22 03:44:26 S 18 42 48.307 +62 05 43.84 – V C57
2019-10-22 03:44:26 s 1 +155038.24 5 +143639.11 1890.0 – C57
2019-10-22 04:05:09 C 18 44 10.31 +62 11 40.9 – U I41
2019-10-22 04:07:08 C 18 44 11.17 +62 11 40.8 – U I41
2019-10-22 04:14:26 S 18 43 00.329 +62 05 37.43 – V C57
2019-10-22 04:14:26 s 1 +154961.14 2 +146161.76 6430.0 – C57
2019-10-22 05:40:56 S 18 44 52.838 +62 11 33.40 – L C51
2019-10-22 05:44:26 S 18 43 39.641 +62 05 20.00 – V C57
2019-10-22 05:44:26 s 1 +154616.66 6 +153621.34 2210.0 – C57
2019-10-22 06:14:26 S 18 43 51.900 +62 05 13.63 – V C57
2019-10-22 06:14:26 s 1 +154465.52 3 +156072.06 2290.0 – C57
2019-10-22 06:44:26 S 18 44 04.464 +62 05 08.92 – V C57
2019-10-22 06:44:26 s 1 +154296.89 2 +158505.04 6740.0 – C57
2019-10-22 07:12:46 C 18 45 30.50 +62 11 40.7 – V T08
2019-10-22 07:14:26 S 18 44 16.522 +62 05 00.96 – V C57
2019-10-22 07:14:26 s 1 +154111.15 8 +160920.38 6690.0 – C57
2019-10-22 07:17:18 C 18 45 32.39 +62 11 40.5 – V T08
2019-10-22 07:26:48 C 18 45 36.44 +62 11 39.8 – V T08