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541262 (2011 DQ40)
Classification: Main-belt Asteroid          SPK-ID: 2541262
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 .08748469068203517 1.1096e-07  
a 3.061674412260385 7.9455e-08 au
q 2.793824773334683 3.8372e-07 au
i 15.55282979379704 9.115e-06 deg
node 347.3011341564435 2.6956e-05 deg
peri 228.9230829111603 0.00010231 deg
M 259.1023412955529 0.00011478 deg
tp 2459748.922825245296
(2022-Jun-18.42282525)
0.00063839 TDB
period 1956.757169823255
5.36
7.6171e-05
2.085e-07
d
yr
n .1839778617152159 7.1618e-09 deg/d
Q 3.329524051186086 8.6407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      4489 days (12.29 yr)  
   first obs. used      2008-11-01  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:39  

Additional Information
 Earth MOID = 1.81513 au 
 Jupiter MOID = 1.72194 au 
 T_jup = 3.172 
[ 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 16.69   .25755 MPCxxxxx autocmod 2.8

541262 (2011 DQ40)          Discovered 2011-Feb-25 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 DQ40 = 2016 BP74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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