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129618 (1998 DS11)
Classification: Main-belt Asteroid          SPK-ID: 2129618
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323926779994271 3.6642e-08  
a 2.395130460065671 9.9139e-09 au
q 2.078032724299577 8.9807e-08 au
i 7.965327070311889 3.945e-06 deg
node 149.8922101706883 2.7082e-05 deg
peri 345.6094985470005 3.14e-05 deg
M 23.00693197143877 1.424e-05 deg
tp 2458913.973647734641
(2020-Mar-05.47364773)
5.3631e-05 TDB
period 1353.91745645177
3.71
8.4062e-06
2.301e-08
d
yr
n .2658950870930173 1.6509e-09 deg/d
Q 2.712228195831765 1.1226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8095 days (22.16 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:45:55  

Additional Information
 Earth MOID = 1.09261 au 
 Jupiter MOID = 2.31332 au 
 T_jup = 3.504 
[ 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 15.7   n/a MPO417676  

129618 (1998 DS11)          Discovered 1998-Feb-24 by NEAT at Haleakala
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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