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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457452.5 (2016-Mar-05.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05482118523085385 4.7916e-08  
q 2.955615693422218 1.5452e-07 au
tp 2458071.372074183177
(2017-Nov-13.87207418)
0.00022848 TDB
node 134.2152259237322 2.271e-05 deg
peri 276.0487245367249 4.4844e-05 deg
i 13.73812062089505 3.8916e-06 deg
  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
 Jupiter MOID = 1.933 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.295901586728091E-15 -7.291594384710886E-15 -9.688102144084556E-13 1.396168795140871E-15 -1.58605354054503E-13 4.092491091539213E-15
q -7.291594384710886E-15 2.387759325817928E-14 4.770631157016134E-12 1.194811441611901E-15 7.50155433875619E-13 -1.146305787784842E-14
tp -9.688102144084556E-13 4.770631157016134E-12 5.220513332260756E-8 4.117960105845925E-11 8.885810099342276E-9 -2.557126267590748E-13
node 1.396168795140871E-15 1.194811441611901E-15 4.117960105845925E-11 5.157296078667847E-10 -4.93734668519921E-10 -4.220708103221304E-12
peri -1.58605354054503E-13 7.50155433875619E-13 8.885810099342276E-9 -4.93734668519921E-10 2.011009890453672E-9 3.975723614734205E-12
i 4.092491091539213E-15 -1.146305787784842E-14 -2.557126267590748E-13 -4.220708103221304E-12 3.975723614734205E-12 1.514485029586026E-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 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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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