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120387 (2005 QL38)
Classification: Main-belt Asteroid          SPK-ID: 2120387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2060707573117948 2.949e-08  
a 2.375837395814547 8.6872e-09 au
q 1.886246784409361 7.2381e-08 au
i 1.831562681230925 5.3046e-06 deg
node 194.8512571493738 0.00010305 deg
peri 89.10557373965597 0.00010398 deg
M 113.2167322027955 1.4299e-05 deg
tp 2458779.839617389051
(2019-Oct-23.33961739)
5.2097e-05 TDB
period 1337.591491942057
3.66
7.3363e-06
2.009e-08
d
yr
n .2691404678997427 1.4762e-09 deg/d
Q 2.865428007219733 1.0477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-10-18  
   last obs. used      2020-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:55  

Additional Information
 Earth MOID = .869003 au 
 Jupiter MOID = 2.29103 au 
 T_jup = 3.512 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO245018  

120387 (2005 QL38)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2005 QL38 = 2004 FO160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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