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JPL Small-Body Database Browser
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39956 (1998 FK120)
Classification: Main-belt Asteroid          SPK-ID: 2039956
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201770127913137 4.1346e-08  
a 2.422280026582889 1.0495e-08 au
q 2.131177648844094 1.0104e-07 au
i 5.763755443372798 5.1984e-06 deg
node 2.660420422719668 4.0317e-05 deg
peri 295.3654032646128 4.4797e-05 deg
M 93.89582268959114 1.9006e-05 deg
tp 2458241.347643955699
(2018-May-02.84764396)
7.2661e-05 TDB
period 1377.00319857021
3.77
8.9496e-06
2.45e-08
d
yr
n .2614373012160034 1.6992e-09 deg/d
Q 2.713382404321685 1.1757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      8450 days (23.13 yr)  
   first obs. used      1996-09-22  
   last obs. used      2019-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 02:33:49  

Additional Information
 Earth MOID = 1.12267 au 
 Jupiter MOID = 2.4882 au 
 T_jup = 3.496 
[ 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 15.7   n/a MPO459140  

39956 (1998 FK120)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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