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39912 (1998 FN40)
Classification: Main-belt Asteroid          SPK-ID: 2039912
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192266907545124 4.3544e-08  
a 2.316235119712798 8.3811e-09 au
q 2.040078071380059 1.0176e-07 au
i 2.983607191519949 3.8954e-06 deg
node 305.7440477824305 8.8038e-05 deg
peri 62.60596996929883 8.9336e-05 deg
M 274.4322974409745 1.6177e-05 deg
tp 2459306.541104826818
(2021-Apr-02.04110483)
5.8323e-05 TDB
period 1287.574568940365
3.53
6.9885e-06
1.913e-08
d
yr
n .2795954569810036 1.5175e-09 deg/d
Q 2.592392168045537 9.3804e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1675  
   data-arc span      9230 days (25.27 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:54  

Additional Information
 Earth MOID = 1.04086 au 
 Jupiter MOID = 2.87017 au 
 T_jup = 3.570 
[ 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 14.9   n/a MPO365720  
diameter diameter 2.997 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.259   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39912 (1998 FN40)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FN40 = 1999 NN27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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