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(2015 HO116)
Classification: Apollo [NEO]          SPK-ID: 3718277
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 .1775265260263379 0.00036115  
a 1.225471923669849 0.00054121 au
q 1.007918150317927 2.6059e-06 au
i 33.83243956158613 0.019223 deg
node 36.48770581437829 8.092e-05 deg
peri 191.31447545 0.012022 deg
M 264.1481822391408 0.88538 deg
tp 2459132.432359071978
(2020-Oct-09.93235907)
1.3061 TDB
period 495.5112002613134
1.36
0.32825
0.0008987
d
yr
n .7265224273642047 0.00048129 deg/d
Q 1.443025697021771 0.00063729 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      2 days  
   first obs. used      2015-04-25  
   last obs. used      2015-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39871  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:06  

Additional Information
 Earth MOID = .00424716 au 
 Jupiter MOID = 3.53519 au 
 T_jup = 5.039 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457138.5 (2015-Apr-26.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772165094476273 0.00036319  
q 1.008296625843958 3.0204e-06 au
tp 2457149.797101830605
(2015-May-07.29710183)
0.010516 TDB
node 36.50215487886643 1.6943e-05 deg
peri 190.53369431832 0.00951 deg
i 33.86048041974969 0.019161 deg
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      2 days  
   first obs. used      2015-04-25  
   last obs. used      2015-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39871  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:06  

Additional Information
 Jupiter MOID = 3.53519 au 
 T_jup = 5.039 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.319040719553647E-7 1.082224709551949E-9 -3.807765614208254E-6 -5.893390638202347E-9 -3.439371778080564E-6 6.959012037531008E-6
q 1.082224709551949E-9 9.123103631809835E-12 -3.164464749944395E-8 -4.684794484030596E-11 -2.864818786106878E-8 5.711316294844111E-8
tp -3.807765614208254E-6 -3.164464749944395E-8 .0001105920748206269 1.677827089601053E-7 .0001000005368714278 -.0002009155690869806
node -5.893390638202347E-9 -4.684794484030596E-11 1.677827089601053E-7 2.8707898726979E-10 1.511538453965115E-7 -3.108686730692282E-7
peri -3.439371778080564E-6 -2.864818786106878E-8 .0001000005368714278 1.511538453965115E-7 9.044068072510993E-5 -.0001814814545995997
i 6.959012037531008E-6 5.711316294844111E-8 -.0002009155690869806 -3.108686730692282E-7 -.0001814814545995997 .0003671580514265045

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 25.5   n/a MPO337123  

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