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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08735729388149281 1.1104e-07  
a 3.061777654254271 7.9649e-08 au
q 2.794309043911793 3.8411e-07 au
i 15.55377770232326 9.1155e-06 deg
node 347.2974942956114 2.6952e-05 deg
peri 228.8946990739354 0.0001024 deg
M 295.1781878124837 0.00011583 deg
tp 2459748.852670979750
(2022-Jun-18.35267098)
0.00063901 TDB
period 1956.856145671572
5.36
7.6358e-05
2.091e-07
d
yr
n .1839685562969432 7.1786e-09 deg/d
Q 3.329246264596749 8.6606e-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 = 1.81705 au 
 Jupiter MOID = 1.72125 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458047.5 (2017-Oct-21.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08845826077799439 1.1109e-07  
q 2.788731844698715 3.8466e-07 au
tp 2457792.790380816370
(2017-Feb-08.29038082)
0.00058211 TDB
node 347.3238070397373 2.6954e-05 deg
peri 228.8078239609038 0.00010131 deg
i 15.55734393736257 9.1168e-06 deg
  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
 Jupiter MOID = 1.72125 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.23399515346369E-14 -4.219044106041321E-14 -5.033483344645281E-11 -1.763476459992688E-13 -8.194696971041413E-12 -2.344735965357244E-14
q -4.219044106041321E-14 1.479621804731555E-13 1.805200559071472E-10 6.169604376887735E-13 2.955855555690628E-11 9.9589562077811E-14
tp -5.033483344645281E-11 1.805200559071472E-10 3.388481091834008E-7 9.470675596689243E-10 5.687717431363252E-8 2.528242951260805E-10
node -1.763476459992688E-13 6.169604376887735E-13 9.470675596689243E-10 7.265419385105246E-10 -5.399294778900991E-10 -6.205943565611502E-11
peri -8.194696971041413E-12 2.955855555690628E-11 5.687717431363252E-8 -5.399294778900991E-10 1.026297728244492E-8 1.03936852998883E-10
i -2.344735965357244E-14 9.9589562077811E-14 2.528242951260805E-10 -6.205943565611502E-11 1.03936852998883E-10 8.311538403485493E-11

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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