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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203971608959448 6.3914e-08  
a 2.381430602285362 1.3672e-08 AU
q 1.856570058670948 1.55e-07 AU
i 2.660489700379022 7.0069e-06 deg
node 157.1677526796227 0.00010868 deg
peri 203.7743760853053 0.00010943 deg
M 149.8648849426065 1.4166e-05 deg
tp 2456241.704749743668
(2012-Nov-10.20474974)
5.037e-05 JED
period 1342.317716183613
3.68
1.1559e-05
3.165e-08
d
yr
n .2681928396382398 2.3096e-09 deg/d
Q 2.906291145899775 1.6685e-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 = .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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