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(2020 HQ3)
Classification: Aten [NEO]          SPK-ID: 54016671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3233826291409926 0.00035508  
a .987844549170768 9.047e-05 au
q .6683927816773265 0.00028955 au
i 3.639152572424408 0.0046781 deg
node 212.6194136986315 0.00079867 deg
peri 123.4742712018875 0.00039902 deg
M 347.661978606295 0.019245 deg
tp 2459408.790635999414
(2021-Jul-13.29063600)
0.02086 TDB
period 358.6173843114428
0.98
0.049265
0.0001349
d
yr
n 1.003855406204615 0.0001379 deg/d
Q 1.30729631666421 0.00011973 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      15 days  
   first obs. used      2020-04-19  
   last obs. used      2020-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .52085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:15  

Additional Information
 Earth MOID = .0122319 au 
 Jupiter MOID = 4.05372 au 
 T_jup = 6.090 
[ 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 25.4   .34188 E2020-QF4 autocmod 2.8

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