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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8019556211097065 2.3555e-05  
a 167.4460794869795 0.020631 au
q 33.16175480961357 0.00014272 au
i 23.40296886713712 3.3053e-05 deg
node 33.61851052879175 1.8012e-05 deg
peri 354.5917352225035 0.00053784 deg
M .5621715957520612 0.00011007 deg
tp 2457964.617165646822
(2017-Jul-30.11716565)
0.078045 TDB
period 791427.0726751013
2166.81
146.27
0.4005
d
yr
n .0004548745076197161 8.4069e-08 deg/d
Q 301.7304041643455 0.037177 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      4096 days (11.21 yr)  
   first obs. used      2009-09-21  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .46312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:32:17  

Additional Information
 Earth MOID = 32.1666 au 
 Jupiter MOID = 28.1995 au 
 T_jup = 6.251 
[ 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 6.66   n/a MPCxxxxx  

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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