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
2019-10-24 03:41:30 C 19 04 36.66 +62 06 29.4 V 703
2019-10-24 03:44:26 S 19 03 25.793 +61 53 49.85 V C57
2019-10-24 03:44:26 s 1 +96995.147 0 +315989.41 2970.0 C57
2019-10-24 03:49:18 C 19 04 39.93 +62 06 26.9 V 703
2019-10-24 04:14:26 S 19 03 38.928 +61 53 40.38 V C57
2019-10-24 04:14:26 s 1 +96088.348 0 +317156.62 3070.0 C57
2019-10-24 04:44:26 S 19 03 51.221 +61 53 30.80 V C57
2019-10-24 04:44:26 s 1 +95178.312 0 +318312.70 160.0 C57
2019-10-24 05:14:26 S 19 04 03.233 +61 53 21.80 V C57
2019-10-24 05:14:26 s 1 +94265.095 0 +319457.72 4400.0 C57
2019-10-24 06:44:26 S 19 04 43.855 +61 52 53.00 V C57
2019-10-24 06:44:26 s 1 +91506.914 0 +322826.71 1790.0 C57
2019-10-24 06:55:25 C 19 05 59.34 +62 05 47.5 V T05
2019-10-24 07:00:02 C 19 06 01.27 +62 05 46.0 V T05
2019-10-24 07:08:04 C 19 06 04.65 +62 05 43.9 V T05
2019-10-24 07:14:26 S 19 04 55.990 +61 52 42.85 V C57
2019-10-24 07:14:26 s 1 +90581.525 0 +323927.82 6360.0 C57
2019-10-24 07:24:16 C 19 06 11.48 +62 05 39.2 V T05
2019-10-24 07:44:26 S 19 05 08.623 +61 52 34.97 V C57
2019-10-24 07:44:26 s 1 +89653.227 0 +325018.05 8920.0 C57
2019-10-24 09:14:26 S 19 05 48.581 +61 52 05.34 V C57
2019-10-24 09:14:26 s 1 +86851.397 0 +328223.86 6140.0 C57
2019-10-24 09:44:26 S 19 06 01.150 +61 51 55.66 V C57
2019-10-24 09:44:26 s 1 +85911.977 0 +329270.95 2250.0 C57
2019-10-24 10:14:26 S 19 06 14.242 +61 51 45.00 V C57
2019-10-24 10:14:26 s 1 +84969.902 0 +330307.34 7130.0 C57
2019-10-24 11:44:26 S 19 06 53.525 +61 51 17.60 V C57
2019-10-24 11:44:26 s 1 +82128.229 0 +333352.72 5900.0 C57
2019-10-24 12:14:26 S 19 07 06.110 +61 51 05.98 V C57
2019-10-24 12:14:26 s 1 +81176.014 0 +334346.69 7350.0 C57
2019-10-24 12:44:26 S 19 07 18.569 +61 50 56.11 V C57
2019-10-24 12:44:26 s 1 +80221.382 0 +335330.14 8310.0 C57
2019-10-24 13:14:26 S 19 07 31.442 +61 50 46.79 V C57
2019-10-24 13:14:26 s 1 +79264.377 0 +336303.10 8910.0 C57
2019-10-24 14:42:31 C 19 09 19.76 +62 03 54.9 q C97
2019-10-24 14:44:26 S 19 08 11.686 +61 50 16.08 V C57
2019-10-24 14:44:26 s 1 +76379.585 0 +339159.38 9990.0 C57
2019-10-24 14:46:52 C 19 09 21.62 +62 03 53.6 q C97
2019-10-24 14:49:04 C 19 09 22.48 +62 03 52.8 q C97
2019-10-24 15:14:26 S 19 08 24.010 +61 50 04.99 V C57
2019-10-24 15:14:26 s 1 +75413.540 0 +340090.72 550.0 C57
2019-10-24 15:44:26 S 19 08 36.067 +61 49 55.60 V C57
2019-10-24 15:44:26 s 1 +74445.345 0 +341011.72 1440.0 C57
2019-10-24 18:44:26 S 19 09 53.328 +61 48 51.98 V C57
2019-10-24 18:44:26 s 1 +68593.357 0 +346322.61 900.0 C57
2019-10-24 20:14:26 S 19 10 33.552 +61 48 19.51 V C57
2019-10-24 20:14:26 s 1 +65641.668 0 +348841.07 5360.0 C57
2019-10-24 20:44:26 S 19 10 46.114 +61 48 10.55 V C57
2019-10-24 20:44:26 s 1 +64654.229 0 +349660.45 6510.0 C57
2019-10-24 21:14:26 S 19 10 58.656 +61 47 59.68 V C57