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27723 (1990 QA)
Classification: Main-belt Asteroid          SPK-ID: 2027723
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 .2088755090612064 8.5026e-08  
a 3.101314196701923 4.3472e-08 AU
q 2.453525615107063 2.6176e-07 AU
i 20.01880534231777 9.1953e-06 deg
node 25.91342941224618 1.9744e-05 deg
peri 338.2604664537947 2.5085e-05 deg
M 126.3905081409458 1.7248e-05 deg
tp 2456300.127578152063
(2013-Jan-07.62757815)
9.1105e-05 JED
period 1994.88138447934
5.46
4.1944e-05
1.148e-07
d
yr
n .1804618574321697 3.7944e-09 deg/d
Q 3.749102778296784 5.2552e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      8966 days (24.55 yr)  
   first obs. used      1990-08-11  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50288  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:26:54  

Additional Information
 Earth MOID = 1.46331 AU 
 T_jup = 3.097 
[ 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 12.4 mag n/a MPO279804  

27723 (1990 QA)          Discovered 1990-Aug-19 by McNaught, R. H. at Siding Spring
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QA = 1996 TY10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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