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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904341980522996 5.7274e-08  
a 2.265798006036868 9.2041e-09 AU
q 1.834312579808738 1.3043e-07 AU
i 5.773511881722182 6.783e-06 deg
node 358.4982372466888 4.1666e-05 deg
peri 6.385458496253927 4.3767e-05 deg
M 251.7519620073355 1.3063e-05 deg
tp 2457375.082725219572
(2015-Dec-18.58272522)
4.6366e-05 JED
period 1245.748039222514
3.41
7.5907e-06
2.078e-08
d
yr
n .2889829954897463 1.7609e-09 deg/d
Q 2.697283432264999 1.0957e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      12400 days (33.95 yr)  
   first obs. used      1981-08-27  
   last obs. used      2015-08-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49783  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:51:29  

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
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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