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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816992200372494 9.2126e-08  
a 2.463631596472463 1.83e-08 AU
q 2.015991656934293 2.1952e-07 AU
i 5.919424182425562 6.1853e-06 deg
node 66.85360355468147 6.6288e-05 deg
peri 337.5043065208184 7.0292e-05 deg
M 56.98274911750593 2.8517e-05 deg
tp 2456776.935433457175
(2014-Apr-29.43543346)
0.00011024 JED
period 1412.414199066632
3.87
1.5737e-05
4.309e-08
d
yr
n .2548827392403017 2.8399e-09 deg/d
Q 2.911271536010633 2.1625e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1990-08-24  
   last obs. used      2015-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48906  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:48:17  

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 13.9 mag n/a MPO324437  

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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