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
2019-10-04 02:44:26 S 16 02 07.730 +55 18 54.40 V C57
2019-10-04 02:44:26 s 1 -177241.65 9 +269845.02 6710.0 C57
2019-10-04 04:14:26 S 16 02 35.628 +55 21 51.08 V C57
2019-10-04 04:14:26 s 1 -178810.43 5 +265453.20 8950.0 C57
2019-10-04 04:44:26 S 16 02 44.304 +55 22 47.78 V C57
2019-10-04 04:44:26 s 1 -179319.75 1 +263968.96 9990.0 C57
2019-10-04 05:14:26 S 16 02 52.642 +55 23 40.16 V C57
2019-10-04 05:14:26 s 1 -179822.13 5 +262474.53 4160.0 C57
2019-10-04 06:44:26 S 16 03 20.047 +55 26 29.87 V C57
2019-10-04 06:44:26 s 1 -181286.89 6 +257929.77 3220.0 C57
2019-10-04 07:14:26 S 16 03 28.980 +55 27 23.47 V C57
2019-10-04 07:14:26 s 1 -181760.74 9 +256394.26 7660.0 C57
2019-10-04 09:44:26 S 16 04 13.231 +55 32 05.93 V C57
2019-10-04 09:44:26 s 1 -184018.20 9 +248560.89 5060.0 C57
2019-10-04 10:44:26 S 16 04 30.370 +55 33 46.58 V C57
2019-10-04 10:44:26 s 1 -184867.36 9 +245354.25 1180.0 C57
2019-10-04 11:44:26 S 16 04 49.164 +55 35 49.45 V C57
2019-10-04 11:44:26 s 1 -185684.66 7 +242105.33 8320.0 C57
2019-10-04 12:14:26 S 16 04 58.397 +55 36 46.01 V C57
2019-10-04 12:14:26 s 1 -186081.12 8 +240464.94 1600.0 C57
2019-10-04 12:44:26 S 16 05 07.320 +55 37 38.39 V C57
2019-10-04 12:44:26 s 1 -186469.33 3 +238813.88 4330.0 C57
2019-10-04 13:14:26 S 16 05 16.111 +55 38 32.10 V C57
2019-10-04 13:14:26 s 1 -186849.18 2 +237152.11 6220.0 C57
2019-10-04 15:14:26 S 16 05 51.360 +55 42 14.94 V C57
2019-10-04 15:14:26 s 1 -188282.93 3 +230397.36 9690.0 C57
2019-10-04 15:44:26 S 16 06 00.365 +55 43 11.21 V C57
2019-10-04 15:44:26 s 1 -188619.42 7 +228681.57 3040.0 C57
2019-10-04 16:14:26 S 16 06 09.218 +55 44 04.96 V C57
2019-10-04 16:14:26 s 1 -188946.92 2 +226954.87 3780.0 C57
2019-10-04 17:44:26 S 16 06 36.466 +55 46 50.20 V C57
2019-10-04 17:44:26 s 1 -189874.27 1 +221708.95 7060.0 C57
2019-10-04 18:14:26 S 16 06 45.307 +55 47 48.19 V C57
2019-10-04 18:14:26 s 1 -190164.61 6 +219938.25 4090.0 C57
2019-10-04 18:44:26 S 16 06 54.096 +55 48 42.05 V C57
2019-10-04 18:44:26 s 1 -190445.37 3 +218156.46 6860.0 C57
2019-10-04 20:44:26 S 16 07 29.549 +55 52 15.71 V C57
2019-10-04 20:44:26 s 1 -191469.99 2 +210917.63 8260.0 C57
2019-10-04 21:14:26 S 16 07 38.722 +55 53 15.65 V C57
2019-10-04 21:14:26 s 1 -191700.89 2 +209079.82 4360.0 C57
2019-10-04 21:44:26 S 16 07 47.270 +55 54 04.86 V C57
2019-10-04 21:44:26 s 1 -191921.41 9 +207230.69 4020.0 C57
2019-10-04 23:14:26 S 16 08 15.070 +55 56 55.97 V C57
2019-10-04 23:14:26 s 1 -192519.35 4 +201615.03 330.0 C57
2019-10-04 23:44:26 S 16 08 23.102 +55 57 45.40 V C57
2019-10-04 23:44:26 s 1 -192696.96 6 +199720.25 190.0 C57
2019-10-05 00:14:26 S 16 08 31.901 +55 58 42.82 V C57
2019-10-05 00:14:26 s 1 -192863.47 9 +197813.96 1570.0 C57
2019-10-05 01:44:26 S 16 09 00.012 +56 01 33.64 V C57
2019-10-05 01:44:26 s 1 -193294.85 8 +192025.66 440.0 C57