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541522 (2011 QD97)
Classification: Main-belt Asteroid          SPK-ID: 2541522
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2360386758455711 1.2544e-07  
a 3.107039404628146 8.0699e-08 au
q 2.373657937759707 4.0394e-07 au
i 11.50933864846108 1.3783e-05 deg
node 125.1133136224891 5.4777e-05 deg
peri 230.3772277979869 6.5463e-05 deg
M 251.1945091390369 4.1282e-05 deg
tp 2459805.098242527045
(2022-Aug-13.59824253)
0.00025016 TDB
period 2000.407935182854
5.48
7.7935e-05
2.134e-07
d
yr
n .1799632933205161 7.0112e-09 deg/d
Q 3.840420871496585 9.9747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-07-05  
   last obs. used      2019-02-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .68749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:30  

Additional Information
 Earth MOID = 1.38539 au 
 Jupiter MOID = 1.67505 au 
 T_jup = 3.146 
[ 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 16.4   .37427 MPO504395 autocmod 2.8

541522 (2011 QD97)          Discovered 2011-Aug-28 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 QD97 = 2010 DZ105 = 2013 AL188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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