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187687 (2008 DV31)
Classification: Main-belt Asteroid          SPK-ID: 2187687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07944210830685006 3.9266e-08  
a 2.614638093334828 1.9069e-08 au
q 2.406925730740907 1.0477e-07 au
i 3.641349210177033 4.8072e-06 deg
node 72.50559563565558 7.1111e-05 deg
peri 239.8349029698913 7.8475e-05 deg
M 229.9758646178981 3.5225e-05 deg
tp 2459758.247043681922
(2022-Jun-27.74704368)
0.0001529 TDB
period 1544.243575513373
4.23
1.6893e-05
4.625e-08
d
yr
n .2331238450387081 2.5503e-09 deg/d
Q 2.822350455928749 2.0583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      8555 days (23.42 yr)  
   first obs. used      1997-10-04  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:26  

Additional Information
 Earth MOID = 1.39315 au 
 Jupiter MOID = 2.36086 au 
 T_jup = 3.400 
[ 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 16.29   n/a E2021B55  

187687 (2008 DV31)          Discovered 2008-Feb-27 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2008 DV31 = 2006 XS64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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