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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2442592938711069 5.8783e-08  
a 3.061002221300032 2.4863e-08 AU
q 2.313323980187397 1.775e-07 AU
i 2.935360754802054 6.2773e-06 deg
node 127.5963892106374 0.00011907 deg
peri 227.472944875855 0.00011976 deg
M 172.024476454479 1.425e-05 deg
tp 2456065.779778929892
(2012-May-18.27977893)
7.0284e-05 JED
period 1956.112795810677
5.36
2.3832e-05
6.525e-08
d
yr
n .1840384668874907 2.2422e-09 deg/d
Q 3.808680462412668 3.0936e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      8646 days (23.67 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53797  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:22:12  

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 MPO296353  

27726 (1990 QM5)          Discovered 1990-Aug-29 by Holt, H. E. at Palomar (675)
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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