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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814906255663395 1.2405e-07  
a 2.463256377765071 2.6191e-08 AU
q 2.016198436834213 2.9502e-07 AU
i 5.920694858680689 8.6491e-06 deg
node 66.86484020870049 6.8519e-05 deg
peri 337.358611777309 7.258e-05 deg
M 264.1301377879212 3.2495e-05 deg
tp 2456776.547281260325
(2014-Apr-29.04728126)		 0.00013189 JED
period 1412.091538780375
3.87		 2.2521e-05
6.166e-08		 d
yr
n .2549409794714388 4.066e-09 deg/d
Q 2.910314318695929 3.0944e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      8262 days (22.62 yr)  
   first obs. used      1990-08-24  
   last obs. used      2013-04-07  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .50752  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:54:18  

Additional Information
 Earth MOID = 1.02633 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 13.6 mag n/a PDS3 (MPC 39036)  

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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