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JPL Small-Body Database Browser
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(2017 US7)
Classification: Apollo [NEO]          SPK-ID: 3788084
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 2458053.5 (2017-Oct-27.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6102503279282803 0.0025349  
a 2.524945687036108 0.016496 au
q .9840967535212261 5.6212e-05 au
i 2.433419403749693 0.0068761 deg
node 45.04845986432821 0.011276 deg
peri 17.99107562083751 0.021224 deg
M 353.8959585413254 0.063755 deg
tp 2458078.348001337080
(2017-Nov-20.84800134)
0.017012 TDB
period 1465.468500158434
4.01
14.361
0.03932
d
yr
n .2456552290008826 0.0024074 deg/d
Q 4.06579462055099 0.026563 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      2 days  
   first obs. used      2017-10-26  
   last obs. used      2017-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .38147  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-28 20:31:40  

Additional Information
 Earth MOID = .00527727 au 
 Jupiter MOID = 1.29921 au 
 T_jup = 3.163 
[ 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 27.0   n/a MPO421551  

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