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385443 (2003 QX7)
Classification: Main-belt Asteroid          SPK-ID: 2385443
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2728722313017229 1.0784e-07  
a 2.764209175436855 1.6155e-08 au
q 2.009933249950705 2.9311e-07 au
i 17.04433895595807 1.0952e-05 deg
node 339.0437049151149 2.5233e-05 deg
peri 12.47085693467784 2.8915e-05 deg
M 265.3504172792056 1.5083e-05 deg
tp 2459641.837658023623
(2022-Mar-03.33765802)
7.3142e-05 TDB
period 1678.6292376712
4.60
1.4715e-05
4.029e-08
d
yr
n .2144606991949193 1.88e-09 deg/d
Q 3.518485100923006 2.0563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6095 days (16.69 yr)  
   first obs. used      2003-08-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:23  

Additional Information
 Earth MOID = 1.00454 au 
 Jupiter MOID = 1.92854 au 
 T_jup = 3.223 
[ 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 16.28   n/a E2021B25  

385443 (2003 QX7)          Discovered 2003-Aug-21 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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