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JPL Small-Body Database Browser
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85231 (1993 FR52)
Classification: Main-belt Asteroid          SPK-ID: 2085231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126801365480194 6.2531e-08  
a 2.342052647404658 1.0826e-08 au
q 1.843944570551985 1.4701e-07 au
i 4.101934091443827 7.1777e-06 deg
node 153.6956140604702 6.686e-05 deg
peri 4.910164297958912 6.7907e-05 deg
M 115.2234234875686 1.0719e-05 deg
tp 2458181.482963512855
(2018-Mar-03.98296351)
3.8599e-05 TDB
period 1309.162048562521
3.58
9.0776e-06
2.485e-08
d
yr
n .2749850565827854 1.9067e-09 deg/d
Q 2.840160724257331 1.3129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      9654 days (26.43 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55386  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:39  

Additional Information
 Earth MOID = .853623 au 
 Jupiter MOID = 2.14666 au 
 T_jup = 3.529 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO453282  

85231 (1993 FR52)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 FR52 = 1995 WM13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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