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385500 (2004 DA73)
Classification: Main-belt Asteroid          SPK-ID: 2385500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07094952175545488 4.9876e-08  
a 2.96875669934439 3.3479e-08 au
q 2.758124831317603 1.6464e-07 au
i 8.331253536586233 5.9057e-06 deg
node 345.9324675158078 3.5721e-05 deg
peri 299.4467180806141 6.028e-05 deg
M 338.6324356244645 4.7034e-05 deg
tp 2459311.395227875506
(2021-Apr-06.89522788)
0.00024431 TDB
period 1868.359038660041
5.12
3.1604e-05
8.653e-08
d
yr
n .1926824515796421 3.2593e-09 deg/d
Q 3.179388567371177 3.5854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-10-15  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56992  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:36  

Additional Information
 Earth MOID = 1.75213 au 
 Jupiter MOID = 2.00647 au 
 T_jup = 3.244 
[ 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 16.27   n/a MPCxxxxx  

385500 (2004 DA73)          Discovered 2004-Feb-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

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