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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135639958556736 6.0112e-08  
a 3.223002950299036 2.968e-08 au
q 2.856985856608453 1.933e-07 au
i 4.481685462677884 7.0752e-06 deg
node 339.1018406748192 5.9819e-05 deg
peri 327.0113018953898 6.6194e-05 deg
M 215.8442508179411 3.2126e-05 deg
tp 2459846.789491445360
(2022-Sep-24.28949145)
0.00019435 TDB
period 2113.437852107858
5.79
2.9194e-05
7.993e-08
d
yr
n .1703385787478683 2.3529e-09 deg/d
Q 3.58902004398962 3.3051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      8033 days (21.99 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57164  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:07:39  

Additional Information
 Earth MOID = 1.84349 au 
 Jupiter MOID = 1.66432 au 
 T_jup = 3.174 
[ 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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