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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .240263085205137 2.125e-07  
a 3.184254298426828 5.7688e-08 AU
q 2.419195536609079 6.7512e-07 AU
i 11.03022391831984 2.4161e-05 deg
node 1.514218675590796 4.5724e-05 deg
peri 345.5372026876339 5.1488e-05 deg
M 235.4408833727772 1.9093e-05 deg
tp 2457518.596915489083
(2016-May-10.09691549)
0.00011766 JED
period 2075.439330143506
5.68
5.64e-05
1.544e-07
d
yr
n .1734572506029881 4.7137e-09 deg/d
Q 3.949313060244577 7.1549e-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 = 1.41338 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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