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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814011019525344 9.6293e-08  
a 2.462652175442683 2.2722e-08 AU
q 2.015924357091575 2.3325e-07 AU
i 5.92061055440118 8.628e-06 deg
node 66.86100080541313 6.8003e-05 deg
peri 337.4385674894323 7.1951e-05 deg
M 6.054988285277524 2.9428e-05 deg
tp 2456776.758188743954
(2014-Apr-29.25818874)
0.00011517 JED
period 1411.57202119754
3.86
1.9536e-05
5.349e-08
d
yr
n .2550348084220213 3.5297e-09 deg/d
Q 2.909379993793792 2.6844e-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 = 1.02558 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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