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
2018-12-31 06:14:07 C 06 16 51.56 +19 10 05.0 V G96
2018-12-31 06:21:37 C 06 16 50.67 +19 09 59.9 V G96
2018-12-31 10:36:07 C 06 16 21.00 +19 07 16.8 V T05
2018-12-31 10:45:57 C 06 16 19.83 +19 07 10.6 V T05
2018-12-31 10:59:19 C 06 16 18.24 +19 07 01.6 V T05
2018-12-31 11:00:38 C 06 16 18.07 +19 07 00.9 V T05
2018-12-31 23:19:17 C 06 14 52.94 +18 58 56.3 q 160
2018-12-31 23:22:16 C 06 14 52.60 +18 58 54.3 q 160
2018-12-31 23:25:15 C 06 14 52.25 +18 58 52.1 q 160
2019-01-02 23:26:36 C 06 09 23.00 +18 27 33.7 q 160
2019-01-02 23:29:34 C 06 09 22.65 +18 27 32.3 q 160
2019-01-02 23:32:30 C 06 09 22.35 +18 27 29.4 q 160
2019-01-03 23:15:16 C 06 06 42.44 +18 12 01.0 q 160
2019-01-03 23:18:12 C 06 06 42.17 +18 11 59.0 q 160
2019-01-03 23:21:07 C 06 06 41.81 +18 11 56.5 q 160
2019-01-08 05:04:15 C 05 55 40.81 +17 06 00.8 V G96
2019-01-08 05:12:27 C 05 55 39.93 +17 05 55.5 V G96
2019-01-08 05:20:40 C 05 55 39.07 +17 05 50.2 V G96
2019-01-08 05:28:53 C 05 55 38.18 +17 05 44.9 V G96
2019-01-08 10:17:57 C 05 55 07.75 +17 02 42.0 V T05
2019-01-08 10:30:37 C 05 55 06.39 +17 02 33.5 V T05
2019-01-08 10:31:17 C 05 55 06.30 +17 02 33.5 V T05
2019-01-08 10:45:02 C 05 55 04.84 +17 02 24.3 V T05
2019-01-08 22:58:59 C 05 53 49.18 +16 54 32.7 q Z45
2019-01-08 23:13:16 C 05 53 47.69 +16 54 23.5 q Z45
2019-01-08 23:23:58 C 05 53 46.54 +16 54 16.4 q Z45
2019-01-08 23:36:29 C 05 53 45.21 +16 54 09.1 q Z45
2019-01-12 09:35:43 C 05 45 37.78 +16 02 44.4 V T05
2019-01-12 09:57:28 C 05 45 35.66 +16 02 30.9 V T05
2019-01-12 09:58:47 C 05 45 35.54 +16 02 30.4 V T05
2019-01-12 10:12:11 C 05 45 34.24 +16 02 22.1 V T05
2019-01-14 09:08:01 C 05 41 13.74 +15 33 52.7 V T08
2019-01-14 09:30:05 C 05 41 11.68 +15 33 38.8 V T08
2019-01-14 09:38:15 C 05 41 10.94 +15 33 34.7 V T08
2019-01-14 09:59:32 C 05 41 08.98 +15 33 21.4 V T08
2019-01-14 21:43:57 C 05 40 06.26 +15 26 15.6 q 160
2019-01-14 21:47:36 C 05 40 05.92 +15 26 15.8 q 160
2019-01-14 21:51:23 C 05 40 05.60 +15 26 13.0 q 160
2019-01-22 09:45:47 C 05 25 58.94 +13 46 34.9 V T08
2019-01-22 09:59:28 C 05 25 57.96 +13 46 28.0 V T08
2019-01-22 10:13:24 C 05 25 56.94 +13 46 20.1 V T08
2019-01-22 10:20:42 C 05 25 56.51 +13 46 16.4 V T08
2019-01-24 08:24:22 C 05 22 56.84 +13 23 18.6 V T05
2019-01-24 08:29:10 C 05 22 56.51 +13 23 16.8 V T05
2019-01-24 08:49:46 C 05 22 55.19 +13 23 07.0 V T05
2019-01-24 08:51:05 C 05 22 55.09 +13 23 06.2 V T05
2019-02-02 08:25:03 C 05 12 11.52 +11 50 32.1 V T08
2019-02-02 08:37:39 C 05 12 11.04 +11 50 27.5 V T08
2019-02-02 08:49:27 C 05 12 10.55 +11 50 22.7 V T08
2019-02-02 09:02:00 C 05 12 10.11 +11 50 18.3 V T08