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JPL Small-Body Database Browser
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39921 (1998 FO54)
Classification: Main-belt Asteroid          SPK-ID: 2039921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485076731476501 3.6224e-08  
a 2.398497270089714 7.8716e-09 au
q 1.802452294448728 8.7697e-08 au
i 1.618081727757517 3.9187e-06 deg
node 339.5641719914997 0.00016549 deg
peri 108.8654717483051 0.00016582 deg
M 311.3204589324232 8.7332e-06 deg
tp 2458783.964163071374
(2019-Oct-27.46416307)
3.3103e-05 TDB
period 1356.773241021486
3.71
6.6791e-06
1.829e-08
d
yr
n .2653354216574639 1.3062e-09 deg/d
Q 2.9945422457307 9.8277e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      9486 days (25.97 yr)  
   first obs. used      1993-12-17  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55176  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:11:46  

Additional Information
 Earth MOID = .819684 au 
 Jupiter MOID = 2.22995 au 
 T_jup = 3.484 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO347806  

39921 (1998 FO54)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FO54 = 1994 CC9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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