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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206354964784831 6.3942e-08  
a 2.380953806545876 1.3585e-08 AU
q 1.855630881346292 1.5503e-07 AU
i 2.660870896066899 7.0076e-06 deg
node 157.1700310620605 0.00010868 deg
peri 203.7430728303603 0.00010942 deg
M 203.5537261828071 1.4408e-05 deg
tp 2457583.659834838457
(2016-Jul-14.15983484)
5.6714e-05 JED
period 1341.914610169342
3.67
1.1485e-05
3.144e-08
d
yr
n .2682734037410697 2.2961e-09 deg/d
Q 2.90627673174546 1.6583e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      8690 days (23.79 yr)  
   first obs. used      1990-08-23  
   last obs. used      2014-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55892  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:55:12  

Additional Information
 Earth MOID = .853023 AU 
 T_jup = 3.504 
[ 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 14.9 mag n/a MPO253467  

14864 (1990 QK4)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar (675)
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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