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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431187849147432 3.2615e-05  
a 39.32106679579652 0.0020226 au
q 29.76137681485101 0.00084509 au
i 18.79502846633089 8.8456e-05 deg
node 158.7189505362908 0.00030251 deg
peri 172.0589343065015 0.0072454 deg
M 42.99674839505005 0.0065619 deg
tp 2447844.037252204422
(1989-Nov-13.53725220)
0.92149 TDB
period 90060.91701697622
246.57
6.949
0.01903
d
yr
n .00399729440831855 3.0842e-07 deg/d
Q 48.88075677674202 0.0025144 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   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      .44279  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:35:54  

Additional Information
 Earth MOID = 28.751 au 
 Jupiter MOID = 24.7556 au 
 T_jup = 5.181 
[ 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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