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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969226832756956 0.00049006  
a 39.1193709488963 0.0291 au
q 31.41587945358235 0.0042187 au
i 3.716877197389035 0.000257 deg
node 170.3458983384804 0.0013633 deg
peri 187.4793064492343 0.027543 deg
M 32.42596951008927 0.052866 deg
tp 2450550.855701423066
(1997-Apr-12.35570142)
4.5008 TDB
period 89368.86055437848
244.68
99.72
0.273
d
yr
n .004028248740857001 4.4948e-06 deg/d
Q 46.82286244421025 0.034831 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-N16  
   condition code      4  
   norm. resid. RMS      .53143  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:46:02  

Additional Information
 Earth MOID = 30.4114 au 
 Jupiter MOID = 26.4518 au 
 T_jup = 5.498 
[ 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   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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