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

[ show orbit diagram ]
Orbital Elements at Epoch 2459003.5 (2020-Jun-03.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9924559828191288 0.00010207  
a 341.7090247449237 4.6256 au
q 2.577858753534435 2.1453e-05 au
i 137.8521665460203 0.00048603 deg
node 213.1219419169878 0.00011362 deg
peri 312.8177324267962 0.0011769 deg
M .02572907984385644 0.00052332 deg
tp 2458838.605999641064
(2019-Dec-21.10599964)
0.0058761 TDB
period 2307188.616517559
6316.74
46847
128.3
d
yr
n .0001560340569568947 3.1682e-06 deg/d
Q 680.840190736313 9.2162 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      .4967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 08:27:29  

Additional Information
 Earth MOID = 1.71595 au 
 Jupiter MOID = 1.95373 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 7 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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