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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814011879793014 1.0025e-07  
a 2.462652177496623 2.2895e-08 AU
q 2.015924146918922 2.4124e-07 AU
i 5.920620988824738 8.4145e-06 deg
node 66.86103687464119 6.838e-05 deg
peri 337.4385534115651 7.2252e-05 deg
M 6.054966538717265 2.9992e-05 deg
tp 2456776.758273983241
(2014-Apr-29.25827398)
0.00011738 JED
period 1411.572022963492
3.86
1.9685e-05
5.389e-08
d
yr
n .2550348081029591 3.5566e-09 deg/d
Q 2.909380208074324 2.7048e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      800  
   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      .51236  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-20 02:31:58  

Additional Information
 Earth MOID = 1.02558 AU 
 T_jup = 3.459 
[ 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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