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
2019-10-02 20:44:27 S 15 53 19.517 +54 21 46.80 V C57
2019-10-02 20:44:27 s 1 -135503.07 1 +339480.84 4370.0 C57
2019-10-02 22:14:27 S 15 53 46.385 +54 24 39.67 V C57
2019-10-02 22:14:27 s 1 -137971.65 3 +336787.95 2710.0 C57
2019-10-02 22:44:27 S 15 53 55.099 +54 25 40.76 V C57
2019-10-02 22:44:27 s 1 -138787.17 7 +335872.48 20.0 C57
2019-10-02 23:14:26 S 15 54 03.662 +54 26 38.29 V C57
2019-10-02 23:14:26 s 1 -139598.97 2 +334948.07 9420.0 C57
2019-10-02 23:44:27 S 15 54 11.246 +54 27 28.40 V C57
2019-10-02 23:44:27 s 1 -140407.00 1 +334014.70 810.0 C57
2019-10-03 01:14:27 S 15 54 39.230 +54 30 34.52 V C57
2019-10-03 01:14:27 s 1 -142808.11 6 +331160.72 5840.0 C57
2019-10-03 02:14:26 S 15 54 55.726 +54 32 22.92 V C57
2019-10-03 02:14:26 s 1 -144389.33 4 +329213.04 3820.0 C57
2019-10-03 03:44:26 S 15 55 22.682 +54 35 21.30 V C57
2019-10-03 03:44:26 s 1 -146731.09 0 +326223.65 510.0 C57
2019-10-03 04:14:27 S 15 55 30.929 +54 36 17.42 V C57
2019-10-03 04:14:27 s 1 -147503.49 6 +325209.04 4880.0 C57
2019-10-03 04:44:27 S 15 55 39.967 +54 37 15.38 V C57
2019-10-03 04:44:27 s 1 -148271.74 5 +324185.32 130.0 C57
2019-10-03 06:44:26 S 15 56 15.708 +54 41 12.52 V C57
2019-10-03 06:44:26 s 1 -151302.33 1 +319999.08 7550.0 C57
2019-10-03 09:44:26 S 15 57 08.129 +54 46 52.10 V C57
2019-10-03 09:44:26 s 1 -155716.22 3 +313443.79 4540.0 C57
2019-10-03 11:44:26 S 15 57 42.984 +54 50 40.38 V C57
2019-10-03 11:44:26 s 1 -158566.61 9 +308887.97 7930.0 C57
2019-10-03 15:14:27 S 15 58 44.940 +54 57 20.99 V C57
2019-10-03 15:14:27 s 1 -163366.86 1 +300553.76 4250.0 C57
2019-10-03 15:44:26 S 15 58 53.556 +54 58 15.46 V C57
2019-10-03 15:44:26 s 1 -164032.27 2 +299325.28 6820.0 C57
2019-10-03 17:44:26 S 15 59 28.536 +55 02 03.77 V C57
2019-10-03 17:44:26 s 1 -166640.94 1 +294315.76 3880.0 C57
2019-10-03 18:14:27 S 15 59 38.002 +55 03 03.71 V C57
2019-10-03 18:14:27 s 1 -167279.58 6 +293039.38 4070.0 C57
2019-10-03 19:44:27 S 16 00 04.994 +55 05 54.67 V C57
2019-10-03 19:44:27 s 1 -169162.15 6 +289152.26 6280.0 C57
2019-10-03 21:14:27 S 16 00 30.758 +55 08 37.00 V C57
2019-10-03 21:14:27 s 1 -170993.43 0 +285177.67 7500.0 C57
2019-10-03 22:44:27 S 16 00 57.732 +55 11 29.94 V C57
2019-10-03 22:44:27 s 1 -172771.74 9 +281114.96 3110.0 C57
2019-10-03 23:14:26 S 16 01 06.502 +55 12 29.27 V C57
2019-10-03 23:14:26 s 1 -173352.45 8 +279741.03 6240.0 C57
2019-10-04 01:44:26 S 16 01 50.441 +55 17 07.01 V C57
2019-10-04 01:44:26 s 1 -176162.53 5 +272722.44 8040.0 C57
2019-10-04 02:07:22 C 16 00 13.17 +55 22 52.2 V 703
2019-10-04 02:14:26 S 16 01 59.633 +55 18 06.44 V C57
2019-10-04 02:14:26 s 1 -176705.37 5 +271288.76 290.0 C57
2019-10-04 02:15:29 C 16 00 15.58 +55 23 05.0 V 703
2019-10-04 02:23:34 C 16 00 17.93 +55 23 19.9 V 703
2019-10-04 02:31:41 C 16 00 20.32 +55 23 33.9 V 703