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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948591917379762 0.00042676  
a 39.09501745202702 0.025306 au
q 31.47699395034296 0.0037054 au
i 3.719967479843752 0.00014102 deg
node 170.4094844016743 0.00099469 deg
peri 188.1230593814736 0.024277 deg
M 28.01741724923354 0.04214 deg
tp 2450651.758736732805
(1997-Jul-22.25873673)
3.9885 JED
period 89285.41958465581
244.45
86.689
0.2373
d
yr
n .004032013308272205 3.9148e-06 deg/d
Q 46.71304095371109 0.030237 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 = 30.4725 au 
 Jupiter MOID = 26.5113 au 
 T_jup = 5.499 
[ 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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