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(2018 NA4)
Classification: Outer Main-belt Asteroid          SPK-ID: 3825645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458275.5 (2018-Jun-06.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5699517547087056 0.0014266  
a 3.25253889117766 0.012093 au
q 1.398748642892645 0.0005802 au
i 27.55939899763595 0.017287 deg
node 117.6877060213149 0.035775 deg
peri 158.3143144148224 0.0154 deg
M 347.6586372353972 0.073583 deg
tp 2458348.950167690957
(2018-Aug-18.45016769)
0.028634 TDB
period 2142.555961857388
5.87
11.949
0.03271
d
yr
n .1680236159096237 0.00093709 deg/d
Q 5.106329139462675 0.018986 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      46 days  
   first obs. used      2018-05-25  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .46119  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-15 12:12:02  

Additional Information
 Earth MOID = .403884 au 
 Jupiter MOID = .453392 au 
 T_jup = 2.752 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.0   n/a E2018O05  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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