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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904343723451 1.1223e-07  
a 2.265798027349156 1.4991e-08 AU
q 1.834312202150154 2.4645e-07 AU
i 5.773512754301761 8.3215e-06 deg
node 358.4982418540137 4.5262e-05 deg
peri 6.385457928841018 4.7272e-05 deg
M 251.7519428921443 1.685e-05 deg
tp 2457375.082796651031
(2015-Dec-18.58279665)
6.1081e-05 JED
period 1245.748056798931
3.41
1.2363e-05
3.385e-08
d
yr
n .2889829914124485 2.868e-09 deg/d
Q 2.697283852548159 1.7846e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      11934 days (32.67 yr)  
   first obs. used      1981-08-27  
   last obs. used      2014-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4999  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:39:26  

Additional Information
 Earth MOID = .832466 AU 
 T_jup = 3.586 
[ 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 15.0 mag n/a MPO302335  

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

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