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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695405547353062 5.7709e-08  
a 3.190764620076771 2.9636e-08 AU
q 2.649800616359167 1.8225e-07 AU
i 2.609105579686634 6.4487e-06 deg
node 125.7331555535491 0.00016099 deg
peri 171.0839983446097 0.00016307 deg
M 90.90489080727728 2.3292e-05 deg
tp 2456274.815311790879
(2012-Dec-13.31531179)
0.00013232 JED
period 2081.807547148318
5.70
2.9004e-05
7.941e-08
d
yr
n .172926647563139 2.4092e-09 deg/d
Q 3.731728623794376 3.4661e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      15256 days (41.77 yr)  
   first obs. used      1972-04-18  
   last obs. used      2014-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56964  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:21:17  

Additional Information
 Earth MOID = 1.6332 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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