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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203971285306925 6.5203e-08  
a 2.381430606252436 1.2654e-08 AU
q 1.856570138839293 1.5681e-07 AU
i 2.660489620805646 7.0295e-06 deg
node 157.1676651714407 0.00011629 deg
peri 203.7744866701407 0.00011716 deg
M 149.8648650099699 1.5175e-05 deg
tp 2456241.704822669407
(2012-Nov-10.20482267)
5.416e-05 JED
period 1342.317719537737
3.68
1.0698e-05
2.929e-08
d
yr
n .2681928389680915 2.1375e-09 deg/d
Q 2.906291073665579 1.5442e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      8590 days (23.52 yr)  
   first obs. used      1990-08-23  
   last obs. used      2014-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57447  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:04:22  

Additional Information
 Earth MOID = .852453 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 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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