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523407 (2017 DG121)
Classification: Main-belt Asteroid          SPK-ID: 2523407
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09024067612748625 5.8594e-08  
a 3.117922012040354 5.0592e-08 au
q 2.83655862156106 1.6673e-07 au
i 10.26165635233406 6.8498e-06 deg
node 131.3523784656486 4.1108e-05 deg
peri 146.0465353377803 6.2984e-05 deg
M 103.7804508883827 4.6258e-05 deg
tp 2458420.791922952674
(2018-Oct-29.29192295)
0.00025758 TDB
period 2010.926970836653
5.51
4.8944e-05
1.34e-07
d
yr
n .1790219163703497 4.3572e-09 deg/d
Q 3.399285402519648 5.5157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      2000-02-08  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:44:13  

Additional Information
 Earth MOID = 1.82687 au 
 Jupiter MOID = 1.79959 au 
 T_jup = 3.186 
[ 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 MPO448229  

523407 (2017 DG121)          Discovered 2012-Mar-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-05-31

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