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344865 (2004 JK)
Classification: Main-belt Asteroid          SPK-ID: 2344865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06384419760724325 6.1029e-08  
a 2.36435783028523 2.4896e-08 au
q 2.213407301754267 1.5535e-07 au
i 5.791639751593801 6.8787e-06 deg
node 235.8288804930403 5.6289e-05 deg
peri 311.8346409396224 8.1481e-05 deg
M 172.3980153474232 5.4941e-05 deg
tp 2458364.586572587098
(2018-Sep-03.08657259)
0.00020332 TDB
period 1327.908754676199
3.64
2.0974e-05
5.742e-08
d
yr
n .2711029645164012 4.282e-09 deg/d
Q 2.515308358816192 2.6485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5008 days (13.71 yr)  
   first obs. used      2004-05-09  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50529  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:18:33  

Additional Information
 Earth MOID = 1.21752 au 
 Jupiter MOID = 2.46095 au 
 T_jup = 3.539 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO437461  

344865 (2004 JK)          Discovered 2004-May-09 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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