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JPL Small-Body Database Browser
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(2018 QH1)
Classification: Apollo [NEO]          SPK-ID: 3827097
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 2458352.5 (2018-Aug-22.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3439155420876905 0.0021103  
a 1.34705806926426 0.00398 au
q .883783863149644 0.00023241 au
i 16.54505714968871 0.078096 deg
node 331.9415382065109 0.0057692 deg
peri 67.24324407273296 0.083499 deg
M 323.8134454307661 0.23395 deg
tp 2458409.901420163424
(2018-Oct-18.40142016)
0.11672 TDB
period 571.054954107231
1.56
2.5309
0.006929
d
yr
n .6304121825942521 0.0027939 deg/d
Q 1.810332275378875 0.0053488 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      4 days  
   first obs. used      2018-08-21  
   last obs. used      2018-08-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .30699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:37:44  

Additional Information
 Earth MOID = .027387 au 
 Jupiter MOID = 3.72347 au 
 T_jup = 4.779 
[ 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   .32275 MPO452075 autocmod 2.6n

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