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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7999773173607118 4.1129e-05  
a 165.7878135383769 0.035311 au
q 33.16132321284825 0.00025103 au
i 23.41618703290618 9.0728e-05 deg
node 33.61986027657552 5.6808e-05 deg
peri 354.5819480580127 0.0014544 deg
M .479132890582725 0.00019258 deg
tp 2457962.778495691367
(2017-Jul-28.27849569)
0.20953 TDB
period 779699.638438007
2134.70
249.1
0.682
d
yr
n .0004617162587393237 1.4751e-07 deg/d
Q 298.4143038639054 0.063558 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      3306 days (9.05 yr)  
   first obs. used      2010-10-08  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .38145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 17:40:02  

Additional Information
 Earth MOID = 32.1673 au 
 Jupiter MOID = 28.1979 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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