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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970068774493703 0.00042842  
a 39.24681621192376 0.025501 AU
q 31.51492350018334 0.0036761 AU
i 3.717780468401911 0.00014094 deg
node 170.372939058769 0.00099474 deg
peri 188.9859926201195 0.022572 deg
M 24.89471119915283 0.037944 deg
tp 2450790.241671602107
(1997-Dec-07.74167160)
3.7137 JED
period 89805.94232799626
245.88
87.527
0.2396
d
yr
n .004008643422338133 3.9069e-06 deg/d
Q 46.97870892366418 0.030524 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 = 30.5119 AU 
 T_jup = 5.506 
[ 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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