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
2023-10-29 06:00:49 C 19 45 24.571 +58 29 27.56 V T05
2023-10-29 06:11:21 C 19 45 28.577 +58 29 21.23 V T05
2023-10-29 06:16:10 C 19 45 30.370 +58 29 18.56 V T05
2023-10-29 06:31:34 C 19 45 36.247 +58 29 09.35 V T05
2023-11-01 05:37:16 C 20 12 25.513 +57 39 39.67 V G96
2023-11-01 05:46:39 C 20 12 28.940 +57 39 31.57 V G96
2023-11-01 05:56:02 C 20 12 32.360 +57 39 23.47 V G96
2023-11-01 06:05:24 C 20 12 35.723 +57 39 14.98 V G96
2023-11-02 00:21:29 C 20 19 16.25 +57 23 53.8 V W46
2023-11-02 00:25:43 C 20 19 17.73 +57 23 50.0 V W46
2023-11-02 00:31:04 C 20 19 19.63 +57 23 44.9 V W46
2023-11-02 08:09:44 C 20 22 03.737 +57 16 54.62 V T05
2023-11-02 08:24:19 C 20 22 08.962 +57 16 40.66 V T05
2023-11-02 08:34:39 C 20 22 12.619 +57 16 30.86 V T05
2023-11-02 08:50:33 C 20 22 18.240 +57 16 15.56 V T05
2023-11-02 21:17:54 C 20 26 45.29 +57 04 40.4 q L04
2023-11-02 21:24:23 C 20 26 47.56 +57 04 34.2 q L04
2023-11-02 21:30:41 C 20 26 49.82 +57 04 27.8 q L04
2023-11-04 06:03:13 C 20 38 11.904 +56 32 31.63 V T05
2023-11-04 06:07:51 C 20 38 13.428 +56 32 27.20 V T05
2023-11-04 06:22:21 C 20 38 18.288 +56 32 11.22 V T05
2023-11-04 07:08:02 C 20 38 33.646 +56 31 22.40 V T05
2023-11-06 06:18:19 C 20 54 21.643 +55 39 39.64 V T05
2023-11-06 06:22:26 C 20 54 22.994 +55 39 34.42 V T05
2023-11-06 06:38:16 C 20 54 28.025 +55 39 15.84 V T05
2023-11-06 06:47:36 C 20 54 31.097 +55 39 03.46 V T05
2023-11-06 18:09:17 C 20 58 12.69 +55 25 42.8 X G02
2023-11-06 18:14:59 C 20 58 14.46 +55 25 36.0 X G02
2023-11-06 18:20:40 C 20 58 16.29 +55 25 29.0 X G02
2023-11-08 06:25:42 C 21 09 39.266 +54 41 38.18 V T05
2023-11-08 06:34:41 C 21 09 41.986 +54 41 26.70 V T05
2023-11-08 06:49:04 C 21 09 46.349 +54 41 08.41 V T05
2023-11-08 06:53:14 C 21 09 47.606 +54 41 03.01 V T05
2023-11-10 07:05:13 C 21 24 16.301 +53 38 33.11 V T05
2023-11-10 07:09:28 C 21 24 17.561 +53 38 27.13 V T05
2023-11-10 07:18:04 C 21 24 20.002 +53 38 15.25 V T05
2023-11-10 07:32:59 C 21 24 24.257 +53 37 54.84 V T05
2023-11-16 06:30:07 C 22 02 41.143 +50 15 38.59 V T05
2023-11-16 06:37:54 C 22 02 43.030 +50 15 26.75 V T05
2023-11-16 06:42:42 C 22 02 44.150 +50 15 19.66 V T05
2023-11-16 06:52:52 C 22 02 46.560 +50 15 04.54 V T05
2023-11-16 07:28:01 C 22 02 55.008 +50 14 11.83 V T05
2023-11-17 02:39:38 C 22 07 34.481 +49 45 49.00 V U55
2023-11-17 02:57:47 C 22 07 38.722 +49 45 22.21 V U55
2023-11-17 03:14:17 C 22 07 42.586 +49 44 57.73 V U55
2023-11-18 06:35:08 C 22 14 07.680 +49 04 32.70 V T05
2023-11-18 06:41:17 C 22 14 09.067 +49 04 23.41 V T05
2023-11-18 07:06:13 C 22 14 14.690 +49 03 45.83 V T05
2023-11-20 07:50:05 C 22 25 10.582 +47 51 17.03 V T05
2023-11-20 08:10:28 C 22 25 14.935 +47 50 46.07 V T05