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13947 (1990 QB5)
Classification: Main-belt Asteroid          SPK-ID: 2013947
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816992067908341 9.6246e-08  
a 2.463631600260926 2.2519e-08 AU
q 2.015991692668682 2.3333e-07 AU
i 5.919433125159245 8.6261e-06 deg
node 66.85359068796205 6.8022e-05 deg
peri 337.5043182462729 7.1947e-05 deg
M 56.98274845556502 2.9829e-05 deg
tp 2456776.935435538535
(2014-Apr-29.43543554)
0.00011496 JED
period 1412.414202324553
3.87
1.9365e-05
5.302e-08
d
yr
n .2548827386523808 3.4946e-09 deg/d
Q 2.911271507853169 2.661e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1990-08-24  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5099  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:47:26  

Additional Information
 Earth MOID = 1.02652 AU 
 T_jup = 3.458 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO266032  

13947 (1990 QB5)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar (675)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QB5 = 1992 EH6 = 1998 TB6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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