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(2017 AS4)
Classification: Apollo [NEO]          SPK-ID: 3766343
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 2457759.5 (2017-Jan-06.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6825817017783955 0.00089051  
a 2.189435923815751 0.00541 au
q .6949670250028424 0.00023261 au
i 1.947569321601948 0.0022395 deg
node 106.9660548992185 0.00011519 deg
peri 75.59974438601698 0.0018243 deg
M 346.0602739999606 0.058198 deg
tp 2457805.319307686422
(2017-Feb-20.81930769)
0.021467 TDB
period 1183.305236205166
3.24
4.3859
0.01201
d
yr
n .3042325758267682 0.0011276 deg/d
Q 3.683904822628661 0.0091028 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      2 days  
   first obs. used      2017-01-05  
   last obs. used      2017-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .34071  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:21:09  

Additional Information
 Earth MOID = .00101161 au 
 Jupiter MOID = 1.27807 au 
 T_jup = 3.324 
[ 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 26.8   n/a MPO394980  

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