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(2016 AH164)
Classification: Apollo [NEO]          SPK-ID: 3739705
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2486936801640302 6.5115e-05  
a 1.149611471143185 6.1496e-05 au
q .8637103636258012 2.866e-05 au
i 1.737966003100972 0.00043212 deg
node 291.0124055403595 0.00029683 deg
peri 112.9170942594417 0.0010358 deg
M 243.074386739444 0.10834 deg
tp 2459146.728564121502
(2020-Oct-24.22856412)
0.14722 TDB
period 450.2202863493472
1.23
0.036125
9.89e-05
d
yr
n .7996085714375361 6.416e-05 deg/d
Q 1.435512578660568 7.679e-05 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      5 days  
   first obs. used      2016-01-13  
   last obs. used      2016-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .58451  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:29:14  

Additional Information
 Earth MOID = 2.94387E-5 au 
 Jupiter MOID = 3.92993 au 
 T_jup = 5.436 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457401.5 (2016-Jan-14.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2505781518339197 6.4429e-05  
q .8625978591246506 2.7928e-05 au
tp 2457345.998116323757
(2015-Nov-19.49811632)
0.0021803 TDB
node 291.1007840053003 0.00027144 deg
peri 112.7573513237332 0.00098243 deg
i 1.750623279203263 0.00042612 deg
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      5 days  
   first obs. used      2016-01-13  
   last obs. used      2016-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .58451  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:29:14  

Additional Information
 Jupiter MOID = 3.92993 au 
 T_jup = 5.436 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.151114377940501E-9 -1.799133577412731E-9 1.400232885377312E-7 1.352229667881394E-8 -6.259612225898026E-8 2.743261958359034E-8
q -1.799133577412731E-9 7.799742973532059E-10 -6.066116647010871E-8 -5.877956707886946E-9 2.719650890242516E-8 -1.189052358476778E-8
tp 1.400232885377312E-7 -6.066116647010871E-8 4.753814226513156E-6 4.816486555619245E-7 -2.103405877500997E-6 9.253722542458384E-7
node 1.352229667881394E-8 -5.877956707886946E-9 4.816486555619245E-7 7.368029253785001E-8 -2.098174799262768E-7 8.984877298575153E-8
peri -6.259612225898026E-8 2.719650890242516E-8 -2.103405877500997E-6 -2.098174799262768E-7 9.651629047565637E-7 -4.14227902601481E-7
i 2.743261958359034E-8 -1.189052358476778E-8 9.253722542458384E-7 8.984877298575153E-8 -4.14227902601481E-7 1.815799660613194E-7

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 29.7   n/a MPO365030  

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