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13948 (1990 QB6)
Classification: Main-belt Asteroid          SPK-ID: 2013948
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2313939432447879 7.539e-08  
a 2.404826496846127 2.4031e-08 AU
q 1.848364210921352 1.8026e-07 AU
i 12.41726928311995 8.5943e-06 deg
node 358.7177168523951 2.7576e-05 deg
peri 319.7393902019318 3.4402e-05 deg
M 207.1739242056942 3.1986e-05 deg
tp 2457578.754485597217
(2016-Jul-09.25448560)
0.00012846 JED
period 1362.147223456707
3.73
2.0417e-05
5.59e-08
d
yr
n .2642886127142935 3.9614e-09 deg/d
Q 2.961288782770901 2.9591e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      12918 days (35.37 yr)  
   first obs. used      1979-11-14  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5257  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:48:17  

Additional Information
 Earth MOID = .855446 AU 
 T_jup = 3.456 
[ 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 13.7 mag n/a MPO324437  

13948 (1990 QB6)          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 QB6 = 1979 VE1 = 1990 SX27 = 1993 HN5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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