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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0556562004583248 7.2652e-08  
a 1.96242550009545 1.3672e-08 au
q 1.853204353077609 1.4305e-07 au
i 17.21446564798119 8.6747e-06 deg
node 314.0395294558928 2.6128e-05 deg
peri 299.2387613511756 9.4908e-05 deg
M 91.5296544115985 9.2473e-05 deg
tp 2457145.201938899968
(2015-May-02.70193890)
0.00025822 JED
period 1004.125958814557
2.75
1.0494e-05
2.873e-08
d
yr
n .3585207581178421 3.7468e-09 deg/d
Q 2.07164664711329 1.4433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1993-04-27  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52824  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:38:46  

Additional Information
 Earth MOID = .870684 au 
 Jupiter MOID = 3.06761 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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