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(2020 HC5)
Classification: Apollo [NEO]          SPK-ID: 54016724
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.


Orbital Elements at Epoch 2458962.5 (2020-Apr-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5271434180576366 0.001542  
a 2.111908297711401 0.0068456 au
q .9986297390315283 1.9625e-05 au
i 5.216190603631888 0.010467 deg
node 43.24345830152122 0.0046025 deg
peri 196.2636121111511 0.0037047 deg
M 352.9308754758547 0.035656 deg
tp 2458984.512741967405
(2020-May-15.01274197)
0.0040507 TDB
period 1121.013936195146
3.07
5.4505
0.01492
d
yr
n .3211378452812842 0.0015614 deg/d
Q 3.225186856391275 0.010454 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      4 days  
   first obs. used      2020-04-22  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .5062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-26 06:41:29  

Additional Information
 Earth MOID = .00281175 au 
 Jupiter MOID = 1.80361 au 
 T_jup = 3.542 
[ 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 26.9   .36483 E2020-HH2 autocmod 2.8

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