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243354 (2008 UK304)
Classification: Main-belt Asteroid          SPK-ID: 2243354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049497375514892 8.5007e-08  
a 3.002705700747982 4.3355e-08 au
q 2.387301955435323 2.7175e-07 au
i 15.66400232046677 9.6394e-06 deg
node 46.12515365415292 2.3571e-05 deg
peri 24.17338803691236 3.5438e-05 deg
M .6093838065990337 2.5942e-05 deg
tp 2458597.282963501227
(2019-Apr-23.78296350)
0.00013691 TDB
period 1900.498712004979
5.20
4.1161e-05
1.127e-07
d
yr
n .1894239642079046 4.1025e-09 deg/d
Q 3.618109446060642 5.224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      7267 days (19.90 yr)  
   first obs. used      1999-02-18  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:32:18  

Additional Information
 Earth MOID = 1.40865 au 
 Jupiter MOID = 1.7967 au 
 T_jup = 3.165 
[ 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 15.5   n/a MPO281336  
diameter diameter 4.906 km 1.637 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.023   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

243354 (2008 UK304)          Discovered 2008-Oct-29 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 UK304 = 2003 XD43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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