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JPL Small-Body Database Browser
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39935 (1998 FR85)
Classification: Main-belt Asteroid          SPK-ID: 2039935
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09396840208871758 3.6689e-08  
a 2.686935331470952 1.5438e-08 au
q 2.434448311856908 9.7664e-08 au
i 13.30337580815498 4.0303e-06 deg
node 154.7830819521681 1.968e-05 deg
peri 12.34781607928357 3.1612e-05 deg
M 287.5407917745458 2.5962e-05 deg
tp 2458924.298871861292
(2020-Mar-15.79887186)
0.00011714 TDB
period 1608.734027390543
4.40
1.3865e-05
3.796e-08
d
yr
n .2237784455793107 1.9286e-09 deg/d
Q 2.939422351084996 1.6889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56942  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:11:47  

Additional Information
 Earth MOID = 1.44426 au 
 Jupiter MOID = 2.04071 au 
 T_jup = 3.329 
[ 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 14.5   n/a MPO493127  

39935 (1998 FR85)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FR85 = 2000 SG209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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