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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981417833483067 0.000429  
a 39.31115111199861 0.02559 AU
q 31.52196952519244 0.0036687 AU
i 3.716424670017672 0.00014089 deg
node 170.3517052092206 0.00099505 deg
peri 189.223967602834 0.022067 deg
M 23.88131806776851 0.036619 deg
tp 2450828.389144894073
(1998-Jan-14.88914489)
3.6305 JED
period 90026.85286202158
246.48
87.907
0.2407
d
yr
n .003998806895446507 3.9046e-06 deg/d
Q 47.10033269880479 0.030661 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 = 30.5175 AU 
 T_jup = 5.509 
[ 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 (568)
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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