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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07479897227500544 3.3864e-08  
a 2.327960184602043 7.9714e-09 au
q 2.153831155296679 7.85e-08 au
i 3.213924119730966 3.9227e-06 deg
node 195.0767163389309 5.8882e-05 deg
peri 215.3761654738518 6.4038e-05 deg
M 99.68051844132754 2.4696e-05 deg
tp 2458241.272532514293
(2018-May-02.77253251)
8.8779e-05 TDB
period 1297.363720785361
3.55
6.6637e-06
1.824e-08
d
yr
n .2774857923282096 1.4253e-09 deg/d
Q 2.502089213907408 8.5677e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1835  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:12:08  

Additional Information
 Earth MOID = 1.16426 au 
 Jupiter MOID = 2.73553 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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