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JPL Small-Body Database Browser
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39931 (1998 FP75)
Classification: Main-belt Asteroid          SPK-ID: 2039931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1193099434959221 4.0499e-08  
a 2.462535481957329 1.1279e-08 au
q 2.168730512748297 1.0098e-07 au
i 3.668129002931769 5.3412e-06 deg
node 45.68683541886395 6.8812e-05 deg
peri 266.6884395701379 7.2679e-05 deg
M 164.3939582203456 2.5761e-05 deg
tp 2458355.951616220585
(2018-Aug-25.45161622)
9.9464e-05 TDB
period 1411.471690763586
3.86
9.6972e-06
2.655e-08
d
yr
n .2550529368429947 1.7523e-09 deg/d
Q 2.756340451166361 1.2625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      15798 days (43.25 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:39:25  

Additional Information
 Earth MOID = 1.15839 au 
 Jupiter MOID = 2.47991 au 
 T_jup = 3.476 
[ 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 MPO410371  

39931 (1998 FP75)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FP75 = 1976 UC9 = 1999 RW89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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