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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1827433692389642 8.9265e-08  
a 2.46204551809503 1.8069e-08 au
q 2.012123024898653 2.125e-07 au
i 5.920757107983271 5.762e-06 deg
node 66.7885407592634 6.2897e-05 deg
peri 337.4235482540643 6.6715e-05 deg
M 210.0811221117533 2.9393e-05 deg
tp 2458188.119725353454
(2018-Mar-10.61972535)
0.00011999 JED
period 1411.050456800598
3.86
1.5533e-05
4.253e-08
d
yr
n .2551290765436273 2.8085e-09 deg/d
Q 2.911968011291407 2.137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      9370 days (25.65 yr)  
   first obs. used      1990-08-24  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50249  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:17:59  

Additional Information
 Earth MOID = 1.02144 au 
 Jupiter MOID = 2.48473 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 14.0 mag n/a MPO337376  

13947 (1990 QB5)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar
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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