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39948 (1998 FP113)
Classification: Main-belt Asteroid          SPK-ID: 2039948
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379239534577424 4.4518e-08  
a 2.429382470381947 1.0131e-08 au
q 2.094312435605932 1.0793e-07 au
i 6.987441019543026 4.8077e-06 deg
node 324.1318311390049 3.2259e-05 deg
peri 339.922344581716 3.6219e-05 deg
M 212.762740828389 1.7596e-05 deg
tp 2459566.162632982672
(2021-Dec-17.66263298)
6.8574e-05 TDB
period 1383.063967771996
3.79
8.651e-06
2.369e-08
d
yr
n .2602916483898651 1.6281e-09 deg/d
Q 2.764452505157962 1.1528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      7986 days (21.86 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:39:55  

Additional Information
 Earth MOID = 1.08088 au 
 Jupiter MOID = 2.47345 au 
 T_jup = 3.485 
[ 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 14.2   n/a MPO319566  
diameter diameter 3.603 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.259   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39948 (1998 FP113)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FP113 = 1999 UK23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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