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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2313939138016823 8.4212e-08  
a 2.404826486721759 2.7205e-08 AU
q 1.848364273945262 1.9739e-07 AU
i 12.41726905972923 8.6047e-06 deg
node 358.7177177923971 3.0769e-05 deg
peri 319.7393875154688 3.6926e-05 deg
M 207.1739334940049 3.4117e-05 deg
tp 2457578.754446800948
(2016-Jul-09.25444680)
0.00013767 JED
period 1362.147214854706
3.73
2.3114e-05
6.328e-08
d
yr
n .2642886143832842 4.4847e-09 deg/d
Q 2.961288699498256 3.35e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      12837 days (35.15 yr)  
   first obs. used      1979-11-14  
   last obs. used      2015-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5242  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:38:54  

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 (675)
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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