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(2011 DQ)
Classification: Apollo [NEO]          SPK-ID: 3557827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3430984066196706 0.00059473  
a 1.536097592081781 0.0014239 au
q 1.009064955826209 2.1999e-05 au
i 5.81347658186043 0.0081831 deg
node 333.4204766535663 0.00017366 deg
peri 195.0899854018382 0.0040961 deg
M 305.6628805620147 2.4307 deg
tp 2459105.459257603894
(2020-Sep-12.95925760)
4.8412 TDB
period 695.3871152578512
1.90
0.96691
0.002647
d
yr
n .5176972539482719 0.00071984 deg/d
Q 2.063130228337352 0.0019125 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      3 days  
   first obs. used      2011-02-23  
   last obs. used      2011-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-17 06:09:30  

Additional Information
 Earth MOID = .0240148 au 
 Jupiter MOID = 2.91297 au 
 T_jup = 4.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455616.5 (2011-Feb-24.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3446576001855924 0.00058952  
q 1.008754975004531 2.8051e-05 au
tp 2455628.544328113226
(2011-Mar-08.04432811)
0.0029161 TDB
node 333.5612072700619 0.00012373 deg
peri 194.8618749850617 0.0048673 deg
i 5.839905171478737 0.0080815 deg
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      3 days  
   first obs. used      2011-02-23  
   last obs. used      2011-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-17 06:09:30  

Additional Information
 Jupiter MOID = 2.91297 au 
 T_jup = 4.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.475370690352444E-7 1.644311876191013E-8 6.910738535002535E-7 -7.104527710888649E-8 2.23517224292544E-6 4.763519055459294E-6
q 1.644311876191013E-8 7.868544247487833E-10 2.475545623432792E-8 -3.287166539626587E-9 9.667581068174005E-8 2.257477221426633E-7
tp 6.910738535002535E-7 2.475545623432792E-8 8.503840047947211E-6 -2.0816654318055E-7 1.259384737285598E-5 9.145168495217341E-6
node -7.104527710888649E-8 -3.287166539626587E-9 -2.0816654318055E-7 1.53102034310481E-8 -5.33541404433605E-7 -9.702611624112059E-7
peri 2.23517224292544E-6 9.667581068174005E-8 1.259384737285598E-5 -5.33541404433605E-7 2.369021791745292E-5 3.026202493870465E-5
i 4.763519055459294E-6 2.257477221426633E-7 9.145168495217341E-6 -9.702611624112059E-7 3.026202493870465E-5 6.531040519592585E-5

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.2   n/a MPO193822  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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