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85250 (1993 RQ16)
Classification: Main-belt Asteroid          SPK-ID: 2085250
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2401980277009434 2.125e-07  
a 3.184865249173292 5.7653e-08 AU
q 2.419866897828594 6.7531e-07 AU
i 11.02909353340539 2.4159e-05 deg
node 1.510116997712447 4.5727e-05 deg
peri 345.4951569150112 5.1498e-05 deg
M 270.179459609362 1.9421e-05 deg
tp 2457518.474265162059
(2016-May-09.97426516)
0.00011776 JED
period 2076.036668754858
5.68
5.6371e-05
1.543e-07
d
yr
n .1734073416997576 4.7085e-09 deg/d
Q 3.949863600517991 7.1501e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1993-09-15  
   last obs. used      2014-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 16:31:11  

Additional Information
 Earth MOID = 1.41569 AU 
 T_jup = 3.125 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO253864  

85250 (1993 RQ16)          Discovered 1993-Sep-15 by Debehogne, H., Elst, E. W. at La Silla (809)
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 RQ16 = 1999 TU192 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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