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(2020 HL6)
Classification: Apollo [NEO]          SPK-ID: 54016758
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320928315348608 5.2715e-05  
a 1.259905171920922 7.8228e-05 au
q .9674902131043799 6.345e-06 au
i .2392192832072245 2.7085e-05 deg
node 96.37612766456098 0.019464 deg
peri 169.7605440460616 0.019969 deg
M 131.6177925941689 0.011261 deg
tp 2459011.649857438207
(2020-Jun-11.14985744)
0.0014321 TDB
period 516.5414947496802
1.41
0.048109
0.0001317
d
yr
n .6969430407027777 6.491e-05 deg/d
Q 1.552320130737465 9.6385e-05 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      18 days  
   first obs. used      2020-04-19  
   last obs. used      2020-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-18 06:40:56  

Additional Information
 Earth MOID = .00224419 au 
 Jupiter MOID = 3.51552 au 
 T_jup = 5.087 
[ 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 27.8   .36897 MPO546171 autocmod 2.8

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