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(2020 HO)
Classification: Apollo [NEO]          SPK-ID: 54016559
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 2458956.5 (2020-Apr-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6770027855890042 0.0016019  
a 1.848456329218604 0.0074518 au
q .5970462452979837 0.00055419 au
i 7.080065592278895 0.017146 deg
node 205.1959180890136 0.00028413 deg
peri 270.1590794211766 0.0029926 deg
M 19.52903256908101 0.14043 deg
tp 2458906.704459849112
(2020-Feb-27.20445985)
0.056946 TDB
period 917.9356115520707
2.51
5.5508
0.0152
d
yr
n .392184370526057 0.0023716 deg/d
Q 3.099866413139224 0.012497 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      2 days  
   first obs. used      2020-04-16  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .34659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-18 19:12:06  

Additional Information
 Earth MOID = .000694632 au 
 Jupiter MOID = 2.09943 au 
 T_jup = 3.686 
[ 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 28.794   .44623 1 autocmod 2.8

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