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(2013 NH4)
Classification: Apollo [NEO]          SPK-ID: 3644728
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6570077406640835 0.0002648  
a 2.600511992789904 0.0033813 au
q .8919554838371557 0.00047113 au
i 4.308617126290866 0.00010148 deg
node 95.66287816377174 0.03708 deg
peri 236.3471228593729 0.040009 deg
M 221.640789833422 1.1201 deg
tp 2459589.197635778281
(2022-Jan-09.69763578)
5.9141 TDB
period 1531.745870947269
4.19
2.9874
0.008179
d
yr
n .2350259314081697 0.00045838 deg/d
Q 4.309068501742653 0.0056028 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      4 days  
   first obs. used      2013-07-01  
   last obs. used      2013-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33484  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:45:28  

Additional Information
 Earth MOID = .0130793 au 
 Jupiter MOID = 1.10451 au 
 T_jup = 3.064 
[ 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 25.8   n/a MPO265947  

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