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14864 (1990 QK4)
Classification: Main-belt Asteroid          SPK-ID: 2014864
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207248879543683 5.7374e-08  
a 2.381504159048224 1.3306e-08 au
q 1.855846920379443 1.4066e-07 au
i 2.660960816782133 5.9245e-06 deg
node 157.1678953956082 0.00010563 deg
peri 203.6690110260144 0.00010625 deg
M 4.577510748214043 1.4635e-05 deg
tp 2457583.431226505678
(2016-Jul-13.93122651)
5.4475e-05 JED
period 1342.379908196434
3.68
1.1251e-05
3.08e-08
d
yr
n .2681804143535499 2.2476e-09 deg/d
Q 2.907161397717005 1.6243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1990-08-23  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54274  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 19:02:14  

Additional Information
 Earth MOID = .851994 au 
 Jupiter MOID = 2.53732 au 
 T_jup = 3.503 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO337384  

14864 (1990 QK4)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QK4 = 1996 FO13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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