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(2017 MR8)
Classification: Apollo [NEO]          SPK-ID: 3776277
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 2457937.5 (2017-Jul-03.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3305529035373883 0.001591  
a 1.454913870310961 0.0032483 au
q .9739878660828538 0.00014027 au
i 6.163920484668638 0.022673 deg
node 110.3305124540496 0.0027522 deg
peri 214.174555548767 0.0050256 deg
M 337.4459186235175 0.089997 deg
tp 2457977.658454949901
(2017-Aug-12.15845495)
0.025759 TDB
period 640.9945739150752
1.75
2.1467
0.005877
d
yr
n .5616272190904631 0.0018809 deg/d
Q 1.935839874539069 0.004322 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      10 days  
   first obs. used      2017-06-30  
   last obs. used      2017-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .75464  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-15 06:18:59  

Additional Information
 Earth MOID = .00072573 au 
 Jupiter MOID = 3.39135 au 
 T_jup = 4.569 
[ 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 25.0   n/a MPO419563  

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