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85939 (1999 DN5)
Classification: Main-belt Asteroid          SPK-ID: 2085939
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296146600437637 2.9768e-08  
a 2.578396350020599 1.2033e-08 au
q 2.244198383654598 7.6105e-08 au
i 12.27691277391765 4.6092e-06 deg
node 254.0940325672103 1.732e-05 deg
peri 238.5981153415467 2.6586e-05 deg
M 62.40041019864637 1.9792e-05 deg
tp 2458738.375335703884
(2019-Sep-11.87533570)
8.2741e-05 TDB
period 1512.247737574151
4.14
1.0586e-05
2.898e-08
d
yr
n .2380562331523065 1.6665e-09 deg/d
Q 2.9125943163866 1.3593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      7845 days (21.48 yr)  
   first obs. used      1998-12-23  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:18:18  

Additional Information
 Earth MOID = 1.2859 au 
 Jupiter MOID = 2.2834 au 
 T_jup = 3.382 
[ 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 14.6   n/a MPO459398  

85939 (1999 DN5)          Discovered 1999-Feb-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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