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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825388672798671 9.1932e-08  
a 2.462464964802756 1.8453e-08 au
q 2.012969399411303 2.1886e-07 au
i 5.920147400844201 6.0132e-06 deg
node 66.79121181284918 6.5975e-05 deg
peri 337.44940934 6.9931e-05 deg
M 159.020008630593 2.9159e-05 deg
tp 2456777.048335010781
(2014-Apr-29.54833501)
0.00010959 JED
period 1411.411062852499
3.86
1.5865e-05
4.344e-08
d
yr
n .2550638927772257 2.8671e-09 deg/d
Q 2.911960530194209 2.1822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1990-08-24  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49871  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:40:04  

Additional Information
 Earth MOID = 1.02258 au 
 Jupiter MOID = 2.48613 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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