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100741 (1998 DS23)
Classification: Main-belt Asteroid          SPK-ID: 2100741
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864592841243845 3.847e-08  
a 2.685410227553394 1.113e-08 au
q 1.916149536188148 1.0087e-07 au
i 8.098438937110924 7.6177e-06 deg
node 8.190413601294006 3.1058e-05 deg
peri 78.85968093574805 3.4598e-05 deg
M 56.7717507643198 1.2409e-05 deg
tp 2458747.019723887634
(2019-Sep-20.51972389)		 5.507e-05 TDB
period 1607.364546132734
4.40		 9.993e-06
2.736e-08		 d
yr
n .2239691057427813 1.3924e-09 deg/d
Q 3.454670918918639 1.4318e-08 au
   Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      9512 days (26.04 yr)  
   first obs. used      1994-04-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53271  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:39  

Additional Information
 Earth MOID = .951555 au 
 Jupiter MOID = 1.88183 au 
 T_jup = 3.300 
[ 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 15.6   n/a MPO453461  

100741 (1998 DS23)          Discovered 1998-Feb-26 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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