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(2011 OD18)
Classification: Apollo [NEO]          SPK-ID: 3574335
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 2455776.5 (2011-Aug-03.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5274759771232748 0.0011967  
a 2.05972517077962 0.0050645 au
q .9732696237172361 7.1733e-05 au
i 4.313782875074127 0.0068555 deg
node 304.4147182762326 0.00062905 deg
peri 332.2710605677696 0.0028278 deg
M 9.488158104566047 0.037538 deg
tp 2455748.042827042751
(2011-Jul-05.54282704)
0.0076378 TDB
period 1079.722971698751
2.96
3.9823
0.0109
d
yr
n .3334188578331388 0.0012297 deg/d
Q 3.146180717842005 0.0077359 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      8 days  
   first obs. used      2011-07-31  
   last obs. used      2011-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .35666  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:11:09  

Additional Information
 Earth MOID = .000815899 au 
 Jupiter MOID = 2.00826 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.432043365628415E-6 -8.584028697207727E-8 9.128475142223116E-6 -4.404990360265848E-7 -3.373769070648767E-6 8.203588653569378E-6
q -8.584028697207727E-8 5.145646894350406E-9 -5.472037319336644E-7 2.633203432413941E-8 2.023022019554693E-7 -4.917513829626718E-7
tp 9.128475142223116E-6 -5.472037319336644E-7 5.833616104938741E-5 -2.618125433944298E-6 -2.156313131933727E-5 5.230842414849109E-5
node -4.404990360265848E-7 2.633203432413941E-8 -2.618125433944298E-6 3.957027310446863E-7 9.440032400434287E-7 -2.500876244198668E-6
peri -3.373769070648767E-6 2.023022019554693E-7 -2.156313131933727E-5 9.440032400434287E-7 7.996470140504167E-6 -1.933639814590457E-5
i 8.203588653569378E-6 -4.917513829626718E-7 5.230842414849109E-5 -2.500876244198668E-6 -1.933639814590457E-5 4.699794519060726E-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 26.5   n/a MPO202291  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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