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385185 (1993 RO)
Classification: TransNeptunian Object          SPK-ID: 2385185
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952757996462253 0.00042725  
a 39.1337250942922 0.025351 au
q 31.49185563336874 0.0036952 au
i 3.71964539560192 0.00014101 deg
node 170.4038175179136 0.00099455 deg
peri 188.411579441275 0.023728 deg
M 26.98444577917461 0.040761 deg
tp 2450698.009399327924
(1997-Sep-06.50939933)
3.9011 JED
period 89418.0534959926
244.81
86.889
0.2379
d
yr
n .00402603261785534 3.9121e-06 deg/d
Q 46.77559455521567 0.030302 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      1994-08-10  
   last obs. used      2013-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   fit RMS      .69794  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 23:11:59  

Additional Information
 Earth MOID = 30.4867 au 
 Jupiter MOID = 26.5264 au 
 T_jup = 5.501 
[ 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 8.4 mag n/a MPC41519  

385185 (1993 RO)          Discovered 1993-Sep-14 by Jewitt, D. C., Luu, J. X. at Mauna Kea
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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