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173600 (2001 DJ57)
Classification: Main-belt Asteroid          SPK-ID: 2173600
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 .2203735666107107 5.4694e-08  
a 2.359646377299276 1.007e-08 au
q 1.839642689193792 1.2878e-07 au
i 1.438620941092326 3.9934e-06 deg
node 107.3703737022642 0.00018729 deg
peri 298.2920777711262 0.00018742 deg
M 197.3085300044165 8.7559e-06 deg
tp 2459598.816657957597
(2022-Jan-19.31665796)
3.4931e-05 TDB
period 1323.941549428387
3.62
8.4747e-06
2.32e-08
d
yr
n .2719153274972224 1.7406e-09 deg/d
Q 2.87965006540476 1.2289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7094 days (19.42 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:19:32  

Additional Information
 Earth MOID = .849637 au 
 Jupiter MOID = 2.51681 au 
 T_jup = 3.518 
[ 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 16.7   n/a MPO469861  

173600 (2001 DJ57)          Discovered 2001-Feb-16 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 DJ57 = 2003 SP237 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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