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100744 (1998 DU36)
Classification: Main-belt Asteroid          SPK-ID: 2100744
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1075020629483678 3.4836e-08  
a 2.248046233376241 8.0365e-09 au
q 2.006376625684987 7.7995e-08 au
i 3.688127966836625 4.6046e-06 deg
node 313.0109335512371 6.2213e-05 deg
peri 142.6872418155559 6.642e-05 deg
M 274.2911607458119 2.1963e-05 deg
tp 2459293.609164613468
(2021-Mar-20.10916461)
7.5093e-05 TDB
period 1231.136720308487
3.37
6.6018e-06
1.807e-08
d
yr
n .2924126898836991 1.568e-09 deg/d
Q 2.489715841067494 8.9005e-09 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      8241 days (22.56 yr)  
   first obs. used      1998-02-28  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:36:51  

Additional Information
 Earth MOID = 1.02464 au 
 Jupiter MOID = 2.63717 au 
 T_jup = 3.619 
[ 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 15.9   n/a MPO320186  

100744 (1998 DU36)          Discovered 1998-Feb-28 by Lagerkvist, C.-I. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 DU36 = 1998 FL25 = 2001 AS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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