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JPL Small-Body Database Browser
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504555 (2008 SO266)
Classification: TransNeptunian Object          SPK-ID: 2504555
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449888316880072 3.0698e-05  
a 39.44635514702394 0.0018762 au
q 29.78243868520433 0.00078401 au
i 18.78317516815936 8.4041e-05 deg
node 158.6561654525054 0.00029036 deg
peri 172.550025760221 0.0066465 deg
M 44.09456914332853 0.006049 deg
tp 2447916.631868121158
(1990-Jan-25.13186812)
0.84195 TDB
period 90491.70011178339
247.75
6.4562
0.01768
d
yr
n .00397826540506252 2.8383e-07 deg/d
Q 49.11027160884354 0.0023359 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      3637 days (9.96 yr)  
   first obs. used      2008-09-24  
   last obs. used      2018-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .44851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 17:22:37  

Additional Information
 Earth MOID = 28.773 au 
 Jupiter MOID = 24.7783 au 
 T_jup = 5.186 
[ 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 6.2   n/a E2016S44  

504555 (2008 SO266)          Discovered 2008-Sep-24 by Schwamb, M. E., Brown, M. E., Rabinowitz, D. L. at Palomar
Reference: Last Updated: 2017-11-07
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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