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(2015 GW55)
Classification: TransNeptunian Object          SPK-ID: 3831122
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6020445969127597 0.006028  
a 85.15040033437316 0.96816 au
q 33.88606188810535 0.12817 au
i 14.25900726178476 0.0030164 deg
node 34.90409379097555 0.002309 deg
peri 72.95180518313349 0.064224 deg
M 31.2614497084202 0.68515 deg
tp 2434278.374348931899
(1952-Sep-22.87434893)
121.18 TDB
period 286997.7342083383
785.76
4894.7
13.4
d
yr
n .001254365303590403 2.1393e-05 deg/d
Q 136.414738780641 1.551 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      821 days (2.25 yr)  
   first obs. used      2015-02-17  
   last obs. used      2017-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .18268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:31:09  

Additional Information
 Earth MOID = 32.9312 au 
 Jupiter MOID = 28.831 au 
 T_jup = 6.322 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.7   .36058 MPO458626 autocmod 2.6n
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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