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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206354513066975 5.7892e-08  
a 2.380953803069612 1.3423e-08 AU
q 1.85563098618895 1.4165e-07 AU
i 2.660874423708503 6.0339e-06 deg
node 157.1700157696067 0.00010744 deg
peri 203.7430978882513 0.00010808 deg
M 203.5537211920119 1.4072e-05 deg
tp 2457583.659852164702
(2016-Jul-14.15985216)
5.5687e-05 JED
period 1341.914607230488
3.67
1.1348e-05
3.107e-08
d
yr
n .2682734043286007 2.2686e-09 deg/d
Q 2.906276619950273 1.6384e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      867  
   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      .54503  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:15:14  

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 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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