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48407 (1981 QL2)
Classification: Main-belt Asteroid          SPK-ID: 2048407
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902114671199503 1.1772e-07  
a 2.266608381179918 1.2438e-08 AU
q 1.83547347560931 2.604e-07 AU
i 5.772101785980485 8.7655e-06 deg
node 358.5197239940808 4.6957e-05 deg
peri 6.545204324874068 5.0512e-05 deg
M 78.1663326858931 1.532e-05 deg
tp 2456129.867220267925
(2012-Jul-21.36722027)		 5.2276e-05 JED
period 1246.416421953106
3.41		 1.026e-05
2.809e-08		 d
yr
n .28882803023077 2.3774e-09 deg/d
Q 2.697743286750526 1.4804e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      11546 days (31.61 yr)  
   first obs. used      1981-08-27  
   last obs. used      2013-04-07  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .53944  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 16:17:21  

Additional Information
 Earth MOID = .833052 AU 
 T_jup = 3.585 
[ 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 14.896 mag .56546 1 autocmod 2.5c

48407 (1981 QL2)          Discovered 1981-Aug-27 by Debehogne, H. at La Silla (809)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1981 QL2 = 1997 EA53 = 1998 QC16 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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