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
2019-10-23 07:14:26 s 1 +130553.82 5 +257986.79 7150.0 C57
2019-10-23 08:44:26 S 18 55 13.006 +61 59 11.76 V C57
2019-10-23 08:44:26 s 1 +128396.90 4 +262941.80 3690.0 C57
2019-10-23 09:14:26 S 18 55 26.587 +61 59 03.77 V C57
2019-10-23 09:14:26 s 1 +127665.15 0 +264567.07 7300.0 C57
2019-10-23 09:44:26 S 18 55 38.808 +61 58 55.78 V C57
2019-10-23 09:44:26 s 1 +126927.18 7 +266179.24 8830.0 C57
2019-10-23 10:14:26 S 18 55 52.176 +61 58 52.39 V C57
2019-10-23 10:14:26 s 1 +126183.12 2 +267778.39 8620.0 C57
2019-10-23 11:44:26 S 18 56 31.838 +61 58 23.05 V C57
2019-10-23 11:44:26 s 1 +123915.34 3 +272498.29 630.0 C57
2019-10-23 12:14:26 S 18 56 43.375 +61 58 18.08 V C57
2019-10-23 12:14:26 s 1 +123147.88 9 +274045.96 6520.0 C57
2019-10-23 12:44:26 S 18 56 56.532 +61 58 09.37 V C57
2019-10-23 12:44:26 s 1 +122374.83 3 +275580.90 2180.0 C57
2019-10-23 14:14:26 S 18 57 36.797 +61 57 43.74 V C57
2019-10-23 14:14:26 s 1 +120022.99 8 +280110.04 650.0 C57
2019-10-23 14:52:22 C 18 59 07.66 +62 09 01.5 q C97
2019-10-23 14:54:33 C 18 59 08.69 +62 09 00.5 q C97
2019-10-23 14:56:44 C 18 59 09.46 +62 09 00.3 q C97
2019-10-23 15:14:26 S 18 57 59.477 +61 57 29.09 V C57
2019-10-23 15:14:26 s 1 +118428.79 4 +283066.96 6970.0 C57
2019-10-23 15:44:26 S 18 58 11.995 +61 57 15.01 V C57
2019-10-23 15:44:26 s 1 +117624.09 4 +284526.88 6580.0 C57
2019-10-23 16:44:26 S 18 58 41.208 +61 57 02.70 V C57
2019-10-23 16:44:26 s 1 +115999.80 0 +287409.76 2200.0 C57
2019-10-23 18:14:26 S 18 59 17.976 +61 56 38.44 V C57
2019-10-23 18:14:26 s 1 +113527.50 9 +291642.70 7660.0 C57
2019-10-23 19:44:26 S 18 59 58.435 +61 56 12.30 V C57
2019-10-23 19:44:26 s 1 +111014.10 5 +295767.26 9350.0 C57
2019-10-23 20:14:26 S 19 00 10.656 +61 56 03.30 V C57
2019-10-23 20:14:26 s 1 +110167.52 3 +297118.27 3500.0 C57
2019-10-23 20:44:26 S 19 00 24.118 +61 55 54.73 V C57
2019-10-23 20:44:26 s 1 +109316.67 4 +298457.44 1470.0 C57
2019-10-23 22:14:26 S 19 01 03.533 +61 55 28.42 V C57
2019-10-23 22:14:26 s 1 +106739.24 0 +302404.41 590.0 C57
2019-10-23 22:44:26 S 19 01 16.433 +61 55 19.85 V C57
2019-10-23 22:44:26 s 1 +105872.03 3 +303696.72 6060.0 C57
2019-10-23 23:14:26 S 19 01 28.800 +61 55 10.99 V C57
2019-10-23 23:14:26 s 1 +105000.90 7 +304977.42 6440.0 C57
2019-10-23 23:44:26 S 19 01 41.770 +61 55 01.06 V C57
2019-10-23 23:44:26 s 1 +104125.93 1 +306246.58 1920.0 C57
2019-10-24 01:14:26 S 19 02 21.518 +61 54 34.78 V C57
2019-10-24 01:14:26 s 1 +101478.54 6 +309985.20 970.0 C57
2019-10-24 01:44:26 S 19 02 33.473 +61 54 26.75 V C57
2019-10-24 01:44:26 s 1 +100588.81 1 +311208.61 8850.0 C57
2019-10-24 02:14:26 S 19 02 45.787 +61 54 17.71 V C57
2019-10-24 02:14:26 s 1 +99695.543 0 +312420.69 2800.0 C57
2019-10-24 03:25:52 C 19 04 30.06 +62 06 33.6 V 703
2019-10-24 03:33:41 C 19 04 33.32 +62 06 31.3 V 703