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344869 (2004 JD13)
Classification: Main-belt Asteroid          SPK-ID: 2344869
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410769094047464 8.9384e-08  
a 2.267929465835678 2.2237e-08 au
q 1.947976986047623 2.1315e-07 au
i 24.34271775408579 9.0472e-06 deg
node 194.1475218717058 1.1297e-05 deg
peri 351.5873122107632 2.1088e-05 deg
M 290.7859935897001 2.1422e-05 deg
tp 2459240.346966648543
(2021-Jan-25.84696665)		 7.6395e-05 TDB
period 1247.506284806341
3.42		 1.8348e-05
5.023e-08		 d
yr
n .2885757004870604 4.2443e-09 deg/d
Q 2.587881945623733 2.5374e-08 au
   Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      5747 days (15.73 yr)  
   first obs. used      2004-04-26  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:06:59  

Additional Information
 Earth MOID = .94986 au 
 Jupiter MOID = 2.37277 au 
 T_jup = 3.485 
[ 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 16.7   n/a MPO503388  

344869 (2004 JD13)          Discovered 2004-May-13 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2004 JD13 = 2005 SC172 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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