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JPL Small-Body Database Browser
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39908 (1998 FW34)
Classification: Main-belt Asteroid          SPK-ID: 2039908
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 .07437372513846952 3.368e-08  
a 2.328719203362513 7.6593e-09 au
q 2.155523681406954 7.7972e-08 au
i 3.213278685230866 3.9097e-06 deg
node 195.064082069042 5.8241e-05 deg
peri 215.2607308662092 6.3466e-05 deg
M 210.8093746888674 2.4825e-05 deg
tp 2459538.414371017408
(2021-Nov-19.91437102)
9.0007e-05 TDB
period 1297.998270081764
3.55
6.4038e-06
1.753e-08
d
yr
n .2773501385154563 1.3683e-09 deg/d
Q 2.501914725318073 8.2289e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1863  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:30  

Additional Information
 Earth MOID = 1.16642 au 
 Jupiter MOID = 2.73339 au 
 T_jup = 3.567 
[ 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 14.6   n/a MPO333171  
diameter diameter 3.295 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39908 (1998 FW34)          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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