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JPL Small-Body Database Browser
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37898 (1998 FG65)
Classification: Main-belt Asteroid          SPK-ID: 2037898
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2151639386878329 3.6371e-08  
a 2.630451384760516 1.2228e-08 au
q 2.064473104288579 9.8074e-08 au
i 9.268390226733434 6.1111e-06 deg
node 195.5635616846947 2.1829e-05 deg
peri 58.3184182243422 2.6505e-05 deg
M 30.73037469567898 1.5634e-05 deg
tp 2458867.482371335387
(2020-Jan-18.98237134)
6.7199e-05 TDB
period 1558.274078773076
4.27
1.0866e-05
2.975e-08
d
yr
n .2310248273419589 1.6109e-09 deg/d
Q 3.196429665232453 1.4859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      11020 days (30.17 yr)  
   first obs. used      1989-03-02  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:40:23  

Additional Information
 Earth MOID = 1.06831 au 
 Jupiter MOID = 1.8936 au 
 T_jup = 3.349 
[ 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 14.9   n/a MPO436033  
diameter diameter 4.294 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37898 (1998 FG65)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FG65 = 1989 EX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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