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508338 (2015 SO20)
Classification: TransNeptunian Object          SPK-ID: 2508338
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8000217162647806 2.404e-05  
a 165.8259958373825 0.020652 au
q 33.16159804624338 0.00014466 au
i 23.41614788308904 3.432e-05 deg
node 33.61990172990936 1.895e-05 deg
peri 354.5810313565987 0.00055221 deg
M .4790269107279561 9.847e-05 deg
tp 2457962.649595232159
(2017-Jul-28.14959523)
0.080108 TDB
period 779969.0108195374
2135.44
145.71
0.3989
d
yr
n .0004615567990601792 8.6224e-08 deg/d
Q 298.4903936285215 0.037174 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      4023 days (11.01 yr)  
   first obs. used      2009-09-21  
   last obs. used      2020-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:25:26  

Additional Information
 Earth MOID = 32.1676 au 
 Jupiter MOID = 28.1982 au 
 T_jup = 6.247 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.5   n/a MPO386929  

508338 (2015 SO20)          Discovered 2010-Oct-08 by Schwamb, M. E. at La Silla
Reference: Last Updated: 2017-12-07

Alternate Designations
 2015 SO20 = 2010 TF182 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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