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212725 (2007 RC145)
Classification: Main-belt Asteroid          SPK-ID: 2212725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567209589998033 4.7632e-08  
a 2.211211976089005 9.4268e-09 au
q 1.864668714644486 1.0699e-07 au
i 4.65888253254974 5.2476e-06 deg
node 211.6171575896231 5.569e-05 deg
peri 127.2713175256655 5.7621e-05 deg
M 328.109644896345 1.4258e-05 deg
tp 2459106.890009608036
(2020-Sep-14.39000961)
4.7638e-05 TDB
period 1201.002727451704
3.29
7.6801e-06
2.103e-08
d
yr
n .2997495274335058 1.9168e-09 deg/d
Q 2.557755237533524 1.0904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6300 days (17.25 yr)  
   first obs. used      2003-05-03  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:04:54  

Additional Information
 Earth MOID = .860557 au 
 Jupiter MOID = 2.82655 au 
 T_jup = 3.637 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457542.5 (2016-Jun-03.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564395595029798 4.7618e-08  
q 1.864978815318454 1.0686e-07 au
tp 2457907.105349596684
(2017-Jun-02.60534960)
4.7552e-05 TDB
node 211.6399228496349 5.5664e-05 deg
peri 127.4881862338887 5.7601e-05 deg
i 4.659902363401058 5.2491e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6300 days (17.25 yr)  
   first obs. used      2003-05-03  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:04:54  

Additional Information
 Jupiter MOID = 2.82655 au 
 T_jup = 3.637 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.267496705609444E-15 -5.074830934302518E-15 5.540524276591339E-13 4.135295938959078E-15 1.568338712568365E-13 -5.446814074523268E-15
q -5.074830934302518E-15 1.141888694877351E-14 -1.247222816688778E-12 -8.585454428451725E-15 -3.612236337984086E-13 1.203019458195726E-14
tp 5.540524276591339E-13 -1.247222816688778E-12 2.261181578074896E-9 4.022901183814497E-12 7.192438829330334E-10 -2.337237101453704E-12
node 4.135295938959078E-15 -8.585454428451725E-15 4.022901183814497E-12 3.098463102156169E-9 -3.086066520827601E-9 -6.581026997076179E-11
peri 1.568338712568365E-13 -3.612236337984086E-13 7.192438829330334E-10 -3.086066520827601E-9 3.31792297108638E-9 6.498131863597554E-11
i -5.446814074523268E-15 1.203019458195726E-14 -2.337237101453704E-12 -6.581026997076179E-11 6.498131863597554E-11 2.755294490372722E-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 17.0   n/a MPO264517  

212725 (2007 RC145)          Discovered 2007-Sep-14 by LINEAR at Socorro
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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