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JPL Small-Body Database Browser
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117028 (2004 JW12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117028
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132008980949425 6.0634e-08  
a 3.224076987874119 3.3192e-08 au
q 2.859108577319531 1.9477e-07 au
i 4.480368608021736 7.748e-06 deg
node 339.1126261208352 7.149e-05 deg
peri 326.8913150357575 7.8249e-05 deg
M 147.8609010676825 3.3179e-05 deg
tp 2457732.024882134914
(2016-Dec-09.52488213)		 0.00019163 TDB
period 2114.494367164155
5.79		 3.2654e-05
8.94e-08		 d
yr
n .1702534684369069 2.6292e-09 deg/d
Q 3.589045398428706 3.695e-08 au
   Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:20:44  

Additional Information
 Earth MOID = 1.84482 au 
 Jupiter MOID = 1.66188 au 
 T_jup = 3.173 
[ 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 14.7   n/a MPO338084  
diameter diameter 6.458 km 0.377 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117028 (2004 JW12)          Discovered 2004-May-13 by Broughton, J. at Reedy Creek
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 JW12 = 2002 AG73 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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