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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3333595076426544 7.8445e-08  
a 2.780204971438856 1.923e-08 au
q 1.853397211014339 2.1681e-07 au
i 9.378087505801414 6.6768e-06 deg
node 66.31468209542003 4.6056e-05 deg
peri 301.2553678925595 4.644e-05 deg
M 159.2416111925864 1.0169e-05 deg
tp 2458251.524325817686
(2018-May-13.02432582)
4.2595e-05 TDB
period 1693.221016079407
4.64
1.7568e-05
4.81e-08
d
yr
n .2126125275916827 2.2059e-09 deg/d
Q 3.707012731863373 2.5641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1999-09-11  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:27:37  

Additional Information
 Earth MOID = .873635 au 
 Jupiter MOID = 1.82946 au 
 T_jup = 3.231 
[ 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 15.1   n/a MPO266579  
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. 2019-August); 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 1.82864078423995 1.82863999206959 1.8286415764258 1.31246651404493 0.892285050293354 2440476.756318222 1.46443512057291 843.06536649986 455.922850444911 34.4724179391191 662905.195211009 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 19:27:45 2019-Jul-13 19:27
1992-Jul-01 05:56 < 00:01 Jupiter 1.907897580123 1.90789675714456 1.90789840314623 0.645709467347224 n/a 2448804.747411150 0.780050648643036 1202.8824483927 37.9033865138892 -89.2501125739549 7527593.73128515 F 20 CATAB v2.0e-lin.ifort 2019-Jul-13 19:27:45 2019-Jul-13 19:27
2076-Aug-19 15:15 00:02 Jupiter 1.83518087143283 1.83518019139582 1.83518155148341 1.51872263388532 1.17619051283191 2479535.135574885 1.92053695053753 497.992823556824 253.363140460018 63.5949061052331 761115.808967941 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 19:27:45 2019-Jul-13 19:27
2099-Jun-14 02:18 00:03 Jupiter 1.8847245425716 1.88472310525893 1.88472598374052 0.862623849129663 n/a 2487868.595637253 2.88044473986787 5101.44917271052 39.6630432489651 -89.328184444776 7106355.81009739 F 20 CATAB v2.0e-lin.ifort 2019-Jul-13 19:27:45 2019-Jul-13 19:27
2183-Jul-28 10:47 00:05 Jupiter 1.84271331138619 1.84271206456254 1.84271455828924 1.70108193208435 1.40511876596159 2518592.949107204 5.21851982308759 748.20806890475 207.691932359697 -84.2307247190362 647919.481337785 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 19:27:45 2019-Jul-13 19:27

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