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JPL Small-Body Database Browser
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37998 (1998 KF34)
Classification: Main-belt Asteroid          SPK-ID: 2037998
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469689759155307 5.1355e-08  
a 2.612030034188088 1.2085e-08 au
q 2.228142655002856 1.3171e-07 au
i 4.74961885546147 4.5568e-06 deg
node 177.0169638786429 6.3282e-05 deg
peri 29.83569721677117 6.5453e-05 deg
M 103.2972213667526 1.5008e-05 deg
tp 2458558.062616813767
(2019-Mar-15.56261681)
6.4342e-05 TDB
period 1541.933614860128
4.22
1.0701e-05
2.93e-08
d
yr
n .2334730863446779 1.6202e-09 deg/d
Q 2.99591741337332 1.3861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      8657 days (23.70 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:42:17  

Additional Information
 Earth MOID = 1.22549 au 
 Jupiter MOID = 1.96408 au 
 T_jup = 3.389 
[ 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 15.7   n/a MPO431928  

37998 (1998 KF34)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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