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523822 (2012 DG61)
Classification: Apollo [NEO]          SPK-ID: 2523822
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 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7379522979502633 2.9736e-08  
a 3.252532573866812 3.2831e-08 au
q .8523186868237137 9.6926e-08 au
i 15.33531383101311 6.0245e-06 deg
node 69.99990872685282 6.4526e-05 deg
peri 186.1601079865218 6.1794e-05 deg
M 123.235939154097 3.8437e-06 deg
tp 2458267.057980848154
(2018-May-28.55798085)
1.993e-05 TDB
period 2142.549719725056
5.87
3.244e-05
8.882e-08
d
yr
n .1680241054318204 2.544e-09 deg/d
Q 5.652746460909911 5.7058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      2416 days (6.61 yr)  
   first obs. used      2012-02-28  
   last obs. used      2018-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49898  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:47:19  

Additional Information
 Earth MOID = .146678 au 
 Jupiter MOID = .167747 au 
 T_jup = 2.629 
[ 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 18.2   n/a E2018G41  

523822 (2012 DG61)          Discovered 2012-Feb-28 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2018-10-30

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