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189260 (2004 WY8)
Classification: Main-belt Asteroid          SPK-ID: 2189260
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3338201655358737 6.5792e-08  
a 2.779242211021294 1.8131e-08 au
q 1.851475116073878 1.8363e-07 au
i 9.379865041720192 6.3936e-06 deg
node 66.30247744761724 3.84e-05 deg
peri 301.2776398767032 3.8739e-05 deg
M 243.4567636144195 1.0733e-05 deg
tp 2459944.363788209301
(2022-Dec-30.86378821)
5.4733e-05 TDB
period 1692.341571009873
4.63
1.656e-05
4.534e-08
d
yr
n .2127230141756648 2.0816e-09 deg/d
Q 3.70700930596871 2.4183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      7944 days (21.75 yr)  
   first obs. used      1999-09-11  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5195  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:49:17  

Additional Information
 Earth MOID = .870968 au 
 Jupiter MOID = 1.8313 au 
 T_jup = 3.232 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.18   n/a E2021B55  
diameter diameter 5.868 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.99141 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.051   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

189260 (2004 WY8)          Discovered 2004-Nov-18 by LINEAR at Socorro
Reference: 20080718/Numbers.arcLast Updated: 2008-07-18

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1969-Sep-12 06:09 00:01 Jupiter 1.82864095621901 1.8286402745118 1.82864163793496 1.31246663783436 0.892285284064942 2440476.756462256 1.42039734411658 789.709304276657 401.306510666029 33.3885442156926 723356.655502589 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 02:49:18 2021-Jul-09 02:49
1992-Jul-01 05:56 < 00:01 Jupiter 1.90789783612773 1.90789715095579 1.90789852131521 0.645708619639204 n/a 2448804.747419461 0.773914682510639 1082.40071247819 33.0732765947191 -89.5458084401391 8627412.33559489 F 24 CATAB v2.0g-lin.ifort 2021-Jul-09 02:49:18 2021-Jul-09 02:49
2076-Aug-19 15:15 00:02 Jupiter 1.83518096474303 1.83518034130568 1.83518158819144 1.51872257200838 1.17619045505495 2479535.135554943 1.75123971601636 467.782976915298 247.098024210568 64.7157886942445 783769.328864239 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 02:49:18 2021-Jul-09 02:49
2099-Jun-14 02:18 00:03 Jupiter 1.88472480647195 1.88472366431691 1.88472595071032 0.862623096681417 n/a 2487868.595673098 2.6342025230544 4120.79773303729 37.159854427644 -89.398883341875 7585164.32232021 F 24 CATAB v2.0g-lin.ifort 2021-Jul-09 02:49:18 2021-Jul-09 02:49
2183-Jul-28 10:47 00:05 Jupiter 1.84271343821997 1.84271224740378 1.84271462911022 1.70108239469062 1.40511935033126 2518592.949300572 4.85385947503251 722.127249461639 196.325102534167 -84.3000999934652 679837.996807996 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 02:49:18 2021-Jul-09 02:49

Alternate Designations
 2004 WY8 = 2000 AN151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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