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100742 (1998 DW25)
Classification: Main-belt Asteroid          SPK-ID: 2100742
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479743572188816 4.9924e-08  
a 2.375437959102441 1.3339e-08 au
q 2.023934053990925 1.1764e-07 au
i 1.94946649164993 5.638e-06 deg
node 49.8052202503147 0.00016823 deg
peri 186.6448936129984 0.0001693 deg
M 323.9298206697877 1.9551e-05 deg
tp 2459134.486106092658
(2020-Oct-11.98610609)		 7.2915e-05 TDB
period 1337.254183068483
3.66		 1.1264e-05
3.084e-08		 d
yr
n .2692083558668995 2.2676e-09 deg/d
Q 2.726941864213956 1.5313e-08 au
   Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:39  

Additional Information
 Earth MOID = 1.01222 au 
 Jupiter MOID = 2.27174 au 
 T_jup = 3.526 
[ 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 17.3   n/a MPO469014  

100742 (1998 DW25)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 DW25 = 1996 VH13 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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