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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 
[ show covariance matrix ]

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  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2011-Jul-28 06:46 00:02 Moon 0.00153903494755737 0.0015332184058186 0.00154486883064876 10.5031201126582 10.5010924584888 2455770.781751669 2.22133803911899 388.439145223969 12.7826570156513 -41.5935149053923 13153.5522837616 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 05:11:09 2021-Apr-15 05:11
2011-Jul-28 08:38 00:03 Earth 0.00115156677632195 0.0011438352196767 0.00115929390651975 9.53849165302698 9.29275258335551 2455770.859888696 2.52805674513991 368.103042328544 7.73159377494973 -0.966717709957016 292.176695553229 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 05:11:09 2021-Apr-15 05:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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