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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3232746690540692 0.00035446  
a .9882428807711008 9.488e-05 au
q .6687689905447832 0.00028608 au
i 3.639815472307403 0.0047049 deg
node 212.6307507453114 0.00093541 deg
peri 123.4026943279512 0.0011701 deg
M 151.0419816294273 0.0093312 deg
tp 2459049.947094083932
(2020-Jul-19.44709408)
0.030982 TDB
period 358.8343157649941
0.98
0.051677
0.0001415
d
yr
n 1.003248530544022 0.00014448 deg/d
Q 1.307716770997418 0.00012555 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .52085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:33:37  

Additional Information
 Earth MOID = .0119569 au 
 Jupiter MOID = 4.05364 au 
 T_jup = 6.088 
[ 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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