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212309 (2005 OS11)
Classification: Main-belt Asteroid          SPK-ID: 2212309
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05455609394943193 4.7963e-08  
a 3.125531212620115 2.8443e-08 au
q 2.95501443814253 1.546e-07 au
i 13.73966463566256 3.892e-06 deg
node 134.1997167115369 2.271e-05 deg
peri 274.7850164249717 4.4937e-05 deg
M 166.868266755263 4.1535e-05 deg
tp 2458064.974905478978
(2017-Nov-07.47490548)
0.00022888 TDB
period 2018.292876029682
5.53
2.7551e-05
7.543e-08
d
yr
n .1783685629947721 2.4348e-09 deg/d
Q 3.296047987097699 2.9995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      7235 days (19.81 yr)  
   first obs. used      2000-09-29  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:01:52  

Additional Information
 Earth MOID = 2.00708 au 
 Jupiter MOID = 1.933 au 
 T_jup = 3.168 
[ 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 15.0   n/a MPO437020  

212309 (2005 OS11)          Discovered 2005-Jul-29 by NEAT at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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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
1950-Jan-02 22:29 00:03 Jupiter 1.94974013831423 1.94973974204898 1.94974053458159 4.79752279892632 4.70609904043823 2433284.436745002 2.59805716619987 225.628259517129 16.6686115676784 -87.4717284490337 4591678.90019067 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:53 2020-Nov-12 04:01
2033-Jan-22 05:38 < 00:01 Jupiter 1.94746462669019 1.94746421020756 1.94746504317305 4.79716589236696 4.70562732872565 2463619.734629840 0.707284309416588 76.0026285374963 17.8514505358563 -83.3679271573396 4733444.35719168 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:53 2020-Nov-12 04:01
2116-Feb-12 01:51 00:04 Jupiter 1.9487519402891 1.94875130505192 1.94875257554189 4.79806211734674 4.70660202939399 2493954.577379430 3.95178215999896 336.73241953935 16.8097865211313 -85.47306274744 4694279.82743716 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:53 2020-Nov-12 04:01
2199-Mar-03 21:42 00:07 Jupiter 1.93818230531794 1.93818149358273 1.93818311711616 4.77779723624744 4.68543577557533 2524290.404420307 7.21902210891834 619.248267827083 16.6411576527485 -86.5866827695081 4653934.72743973 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:53 2020-Nov-12 04:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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