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14389 (1990 QR5)
Classification: Main-belt Asteroid          SPK-ID: 2014389
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693494524121158 5.7645e-08  
a 3.191032250702531 3.2281e-08 AU
q 2.650632686416657 1.8123e-07 AU
i 2.609112153332433 6.4143e-06 deg
node 125.7328186007575 0.00015838 deg
peri 171.0941720391614 0.0001604 deg
M 125.4971077917522 2.3023e-05 deg
tp 2456274.684174008107
(2012-Dec-13.18417401)
0.00012953 JED
period 2082.069475183985
5.70
3.1594e-05
8.65e-08
d
yr
n .1729048930839295 2.6237e-09 deg/d
Q 3.731431814988406 3.7747e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      15476 days (42.37 yr)  
   first obs. used      1972-04-18  
   last obs. used      2014-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53283  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:03:18  

Additional Information
 Earth MOID = 1.63597 AU 
 T_jup = 3.173 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO279667  

14389 (1990 QR5)          Discovered 1990-Aug-26 by Holt, H. E. at Palomar (675)
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QR5 = 1972 HO = 1993 BO15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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