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
2015-12-20 00:18:38 C 00 27 34.26 +33 55 35.3 u H21
2015-12-20 00:20:39 C 00 27 34.48 +33 55 33.6 u H21
2015-12-20 00:22:39 C 00 27 34.69 +33 55 31.6 u H21
2015-12-20 00:24:39 C 00 27 34.90 +33 55 29.6 u H21
2015-12-20 00:26:40 C 00 27 35.12 +33 55 27.7 u H21
2015-12-20 00:28:40 C 00 27 35.33 +33 55 25.8 u H21
2015-12-20 00:30:40 C 00 27 35.55 +33 55 23.8 u H21
2015-12-20 00:32:41 C 00 27 35.76 +33 55 21.7 u H21
2015-12-20 00:34:41 C 00 27 35.97 +33 55 19.7 u H21
2015-12-20 00:36:42 C 00 27 36.19 +33 55 17.9 u H21
2015-12-31 02:06:27 C 00 55 00.35 +30 13 13.5 q 703
2015-12-31 02:13:47 C 00 55 01.03 +30 13 08.5 q 703
2015-12-31 02:21:06 C 00 55 01.68 +30 13 02.7 q 703
2015-12-31 02:28:23 C 00 55 02.49 +30 12 57.8 q 703
2016-01-15 02:16:42 C 01 28 40.73 +26 50 23.4 q 703
2016-01-15 02:23:59 C 01 28 41.39 +26 50 19.9 q 703
2016-01-15 02:31:14 C 01 28 42.06 +26 50 17.5 q 703
2016-01-15 02:38:29 C 01 28 42.56 +26 50 14.7 q 703
2016-02-03 02:32:15 C 02 08 25.53 +24 25 59.3 q 703
2016-02-03 02:40:11 C 02 08 26.24 +24 25 57.4 q 703
2016-02-03 02:48:07 C 02 08 26.95 +24 25 56.7 q 703
2016-02-03 02:56:04 C 02 08 27.54 +24 25 54.7 q 703
2017-10-24 12:17:17 C 09 38 03.30 +05 04 53.9 U G96
2017-10-24 12:21:23 C 09 38 03.62 +05 04 50.5 U G96
2017-10-24 12:25:28 C 09 38 03.89 +05 04 47.0 U G96
2017-10-24 12:29:33 C 09 38 04.14 +05 04 43.6 U G96
2017-12-23 12:20:25 C 11 26 18.35 -24 47 06.1 U 703
2017-12-23 12:28:22 C 11 26 19.05 -24 47 19.8 U 703
2017-12-23 12:44:15 C 11 26 20.40 -24 47 49.6 U 703
2017-12-24 15:11:57 C 11 28 44.807 -25 36 32.93 U F51
2017-12-24 15:25:54 C 11 28 46.050 -25 36 58.96 U F51
2017-12-24 15:39:53 C 11 28 47.292 -25 37 24.85 U F51
2017-12-27 11:02:52 S 11 35 06.425 -27 44 57.95 L C51
2017-12-29 19:36:27 S 11 40 39.842 -29 36 08.60 L C51
2017-12-30 09:44:53 S 11 42 05.729 -30 04 31.48 L C51
2017-12-31 04:36:04 S 11 44 01.738 -30 42 45.25 L C51
2017-12-31 07:44:34 S 11 44 21.521 -30 49 09.34 L C51
2018-01-01 02:35:46 S 11 46 19.802 -31 27 50.51 L C51
2018-01-01 14:07:54 C 11 47 33.793 -31 51 52.65 U F51
2018-01-01 14:23:41 C 11 47 35.433 -31 52 25.56 U F51
2018-01-01 14:39:29 C 11 47 37.070 -31 52 58.49 U F51
2018-01-01 14:55:19 C 11 47 38.716 -31 53 31.40 U F51
2018-01-01 21:26:57 S 11 48 20.251 -32 06 56.38 L C51
2018-01-02 16:18:09 S 11 50 22.994 -32 46 26.40 L C51
2018-01-03 11:09:31 S 11 52 28.214 -33 26 24.25 L C51
2018-01-13 14:08:32 C 12 24 01.13 -42 36 50.4 U T08
2018-01-13 14:28:22 C 12 24 04.10 -42 37 38.8 U T08
2018-01-13 14:29:02 C 12 24 04.27 -42 37 39.6 U T08
2018-01-13 14:38:16 C 12 24 05.58 -42 38 01.5 U T08
2018-11-07 12:12:50 C 07 51 03.53 +28 38 07.3 V G96