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(2019 HQ)
Classification: Aten [NEO]          SPK-ID: 3841534
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3486894905782722 0.0001145  
a .7651015113372642 5.7148e-05 au
q .4983186551084074 0.00012483 au
i 10.97342468203655 0.0055614 deg
node 35.55017338858398 0.00020146 deg
peri 14.39568307952125 0.00067014 deg
M 316.1588611850082 0.094394 deg
tp 2459230.268458263060
(2021-Jan-15.76845826)
0.06743 TDB
period 244.4426687893611
0.67
0.027387
7.498e-05
d
yr
n 1.47273797075999 0.00016501 deg/d
Q 1.031884367566121 7.7075e-05 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      8 days  
   first obs. used      2019-04-24  
   last obs. used      2019-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .35988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:14:08  

Additional Information
 Earth MOID = .00629995 au 
 Jupiter MOID = 4.32084 au 
 T_jup = 7.507 
[ 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 26.2   .4028 MPO467576 autocmod 2.6q

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