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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2319611928131538 5.2839e-05  
a 1.260032048264694 7.8108e-05 au
q .9677535113664144 6.5903e-06 au
i .2396382927247316 2.8415e-05 deg
node 96.35732022290884 0.019517 deg
peri 169.7872807464933 0.020045 deg
M 268.1925542967264 0.023931 deg
tp 2459528.248663276699
(2021-Nov-09.74866328)
0.046592 TDB
period 516.6195227008726
1.41
0.048037
0.0001315
d
yr
n .6968377774767975 6.4794e-05 deg/d
Q 1.552310585162974 9.6225e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .43356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:32  

Additional Information
 Earth MOID = .00222565 au 
 Jupiter MOID = 3.51433 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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