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JPL Small-Body Database Browser
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39951 (1998 FN116)
Classification: Main-belt Asteroid          SPK-ID: 2039951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421726388532008 4.0773e-08  
a 2.383805529228101 8.5063e-09 au
q 2.044893606624891 9.6246e-08 au
i 5.059726902932338 3.8024e-06 deg
node 230.3739236188187 4.0065e-05 deg
peri 125.981931939915 4.173e-05 deg
M 208.5594937211658 1.3487e-05 deg
tp 2459566.015109726487
(2021-Dec-17.51510973)
5.1993e-05 TDB
period 1344.326194516884
3.68
7.1956e-06
1.97e-08
d
yr
n .2677921485635966 1.4334e-09 deg/d
Q 2.722717451831311 9.7157e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      11581 days (31.71 yr)  
   first obs. used      1988-08-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:47:33  

Additional Information
 Earth MOID = 1.04585 au 
 Jupiter MOID = 2.73804 au 
 T_jup = 3.518 
[ 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 14.6   n/a MPO417093  
diameter diameter 2.515 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.583   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39951 (1998 FN116)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FN116 = 1999 OR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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