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(A/2020 H9)
Classification: TransNeptunian Object          SPK-ID: 54017224
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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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.


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Orbital Elements at Epoch 2458996.5 (2020-May-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9924926143260607 0.00024741  
a 343.3761186711385 11.325 au
q 2.577856954084576 6.7863e-05 au
i 137.8523037583843 0.0012782 deg
node 213.1219009674299 0.00029574 deg
peri 312.8177359502914 0.0036797 deg
M .02445744848477684 0.0012124 deg
tp 2458838.607244317662
(2019-Dec-21.10724432)
0.016356 TDB
period 2324093.295382866
6363.02
1.1497e+05
314.8
d
yr
n .0001548991173096149 7.663e-06 deg/d
Q 684.1743803881924 22.564 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      91 days  
   first obs. used      2020-04-22  
   last obs. used      2020-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .49303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-06 07:16:18  

Additional Information
 Earth MOID = 1.71591 au 
 Jupiter MOID = 1.95364 au 
 T_jup = -1.458 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.701   .34049 4 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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