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212334 (2005 SL204)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212334
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05535811432518805 5.556e-08  
a 3.851322692643315 5.9254e-08 au
q 3.638120730720776 2.4599e-07 au
i 1.939650936619032 6.0852e-06 deg
node 201.6995353606754 0.00019935 deg
peri 215.9866123133393 0.00021029 deg
M 287.0603729060636 6.6788e-05 deg
tp 2459559.838003135759
(2021-Dec-11.33800314)
0.00051669 TDB
period 2760.662333378074
7.56
6.3711e-05
1.744e-07
d
yr
n .1304034889190839 3.0095e-09 deg/d
Q 4.064524654565854 6.2534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      5500 days (15.06 yr)  
   first obs. used      2005-09-30  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:01:43  

Additional Information
 Earth MOID = 2.65032 au 
 Jupiter MOID = 1.19239 au 
 T_jup = 3.068 
[ 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 MPO450007  

212334 (2005 SL204)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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