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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904863035406477 1.0938e-07  
a 2.265582277464988 1.1576e-08 AU
q 1.83401988406348 2.423e-07 AU
i 5.773808417179016 8.7248e-06 deg
node 358.5004526523563 4.4478e-05 deg
peri 6.414618504276042 4.7047e-05 deg
M 193.9127923859026 1.5054e-05 deg
tp 2457375.147957880707
(2015-Dec-18.64795788)
5.4815e-05 JED
period 1245.570130348168
3.41
9.5465e-06
2.614e-08
d
yr
n .2890242718805171 2.2152e-09 deg/d
Q 2.697144670866495 1.3781e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      11907 days (32.60 yr)  
   first obs. used      1981-08-27  
   last obs. used      2014-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54399  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:51:37  

Additional Information
 Earth MOID = .83071 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 14.9 mag n/a MPO259661  

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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