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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3487142935564645 0.00011452  
a .7651017867694091 5.7111e-05 au
q .4982998576973259 0.00012481 au
i 10.97393866574888 0.0055618 deg
node 35.55227624674379 0.00020148 deg
peri 14.39766666197194 0.00067332 deg
M 21.61231832686739 0.061411 deg
tp 2458985.825067713043
(2020-May-16.32506771)
0.040056 TDB
period 244.4428007863058
0.67
0.02737
7.493e-05
d
yr
n 1.472737175494546 0.0001649 deg/d
Q 1.031903715841492 7.7026e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .35863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-03 07:28:01  

Additional Information
 Earth MOID = .00712188 au 
 Jupiter MOID = 4.32039 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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