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27726 (1990 QM5)
Classification: Main-belt Asteroid          SPK-ID: 2027726
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2442592850210263 5.7959e-08  
a 3.06100221748921 2.4466e-08 AU
q 2.313324004397519 1.7548e-07 AU
i 2.935361031165379 5.9369e-06 deg
node 127.5963844456351 0.0001171 deg
peri 227.472954516362 0.00011765 deg
M 172.024474465483 1.4058e-05 deg
tp 2456065.779791482926
(2012-May-18.27979148)
6.8727e-05 JED
period 1956.112792157756
5.36
2.3452e-05
6.421e-08
d
yr
n .1840384672311712 2.2065e-09 deg/d
Q 3.8086804305809 3.0442e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      9035 days (24.74 yr)  
   first obs. used      1990-08-22  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54768  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:56:09  

Additional Information
 Earth MOID = 1.31012 AU 
 T_jup = 3.185 
[ 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 13.9 mag n/a MPO337492  

27726 (1990 QM5)          Discovered 1990-Aug-29 by Holt, H. E. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QM5 = 1998 EN8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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