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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2313939568651371 7.3179e-08  
a 2.404826501138248 2.331e-08 AU
q 1.848364181465725 1.7597e-07 AU
i 12.41726873109057 8.58e-06 deg
node 358.7177247673953 2.6171e-05 deg
peri 319.7393839478911 3.3473e-05 deg
M 207.1739196457172 3.1501e-05 deg
tp 2457578.754504399092
(2016-Jul-09.25450440)
0.00012637 JED
period 1362.147227103436
3.73
1.9805e-05
5.422e-08
d
yr
n .2642886120067424 3.8426e-09 deg/d
Q 2.96128882081077 2.8704e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      13000 days (35.59 yr)  
   first obs. used      1979-11-14  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52548  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:13:09  

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 13.8 mag n/a MPO337376  

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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