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(2012 DJ31)
Classification: Apollo [NEO]          SPK-ID: 3599865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2455982.5 (2012-Feb-25.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5907432511984263 0.0021646  
a 1.957911454086194 0.0093125 au
q .8012884761406774 0.00042702 au
i .9301115651544345 0.0032402 deg
node 268.5035262696696 0.085499 deg
peri 320.1770184300182 0.081711 deg
M 341.6263186695001 0.14771 deg
tp 2456033.571860197775
(2012-Apr-16.07186020)
0.0462 TDB
period 1000.663358663943
2.74
7.1392
0.01955
d
yr
n .3597613491920616 0.0025667 deg/d
Q 3.114534432031711 0.014814 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      6 days  
   first obs. used      2012-02-24  
   last obs. used      2012-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .51969  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:50:49  

Additional Information
 Earth MOID = .00689804 au 
 Jupiter MOID = 1.87484 au 
 T_jup = 3.647 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.6   n/a MPO223136  

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