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201521 (2003 QX1)
Classification: Main-belt Asteroid          SPK-ID: 2201521
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09125463744387693 4.9181e-08  
a 2.921283275887856 3.4409e-08 au
q 2.654702629675849 1.4761e-07 au
i 1.584730934971243 8.6208e-06 deg
node 191.6967546268577 0.00017813 deg
peri 245.6597344566004 0.00018415 deg
M 43.85400129436977 4.7561e-05 deg
tp 2458778.340105857805
(2019-Oct-21.84010586)
0.00023957 TDB
period 1823.723252853059
4.99
3.2222e-05
8.822e-08
d
yr
n .1973983714013685 3.4876e-09 deg/d
Q 3.187863922099864 3.7549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      6843 days (18.74 yr)  
   first obs. used      2001-03-26  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:05:15  

Additional Information
 Earth MOID = 1.67054 au 
 Jupiter MOID = 2.01729 au 
 T_jup = 3.273 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO454428  

201521 (2003 QX1)          Discovered 2003-Aug-19 by CINEOS at Campo Imperatore
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2003 QX1 = 2004 XG81 = 2006 DP96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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