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39866 (1998 DB24)
Classification: Inner Main-belt Asteroid          SPK-ID: 2039866
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05550540289169699 7.3229e-08  
a 1.962215805130305 1.381e-08 AU
q 1.853302226306092 1.4431e-07 AU
i 17.21496763752127 8.7044e-06 deg
node 314.0401452264422 2.6297e-05 deg
peri 299.1932351614842 9.5708e-05 deg
M 308.1566076709213 9.3503e-05 deg
tp 2457145.080423279024
(2015-May-02.58042328)
0.0002606 JED
period 1003.965019304007
2.75
1.0599e-05
2.902e-08
d
yr
n .3585782303944892 3.7855e-09 deg/d
Q 2.071129383954518 1.4576e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      8080 days (22.12 yr)  
   first obs. used      1993-04-27  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52263  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:02:12  

Additional Information
 Earth MOID = .873692 AU 
 T_jup = 3.823 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO240520  

39866 (1998 DB24)          Discovered 1998-Feb-17 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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