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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816992197647958 9.2037e-08  
a 2.463631596585002 1.8267e-08 AU
q 2.015991657697609 2.1925e-07 AU
i 5.919425323115457 6.0741e-06 deg
node 66.85360650341988 6.6191e-05 deg
peri 337.5043036452996 7.0192e-05 deg
M 56.98274902955783 2.8513e-05 deg
tp 2456776.935433786910
(2014-Apr-29.43543379)
0.00011023 JED
period 1412.41419916341
3.87
1.5709e-05
4.301e-08
d
yr
n .2548827392228372 2.8347e-09 deg/d
Q 2.911271535472395 2.1586e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1990-08-24  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49576  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:19:14  

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 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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