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212345 (2005 UW13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212345
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680744061398227 6.7863e-08  
a 3.984077004774525 1.0911e-07 au
q 3.314455628181723 3.2188e-07 au
i 2.235495972064539 8.5734e-06 deg
node 205.7567862177449 0.00018727 deg
peri 60.97169379925309 0.00018932 deg
M 43.98820197766342 3.4481e-05 deg
tp 2458645.585516556762
(2019-Jun-11.08551656)
0.00026997 TDB
period 2904.624610581835
7.95
0.00011932
3.267e-07
d
yr
n .1239402842930148 5.0915e-09 deg/d
Q 4.653698381367327 1.2745e-07 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5852 days (16.02 yr)  
   first obs. used      2002-04-15  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60103  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:06:09  

Additional Information
 Earth MOID = 2.29938 au 
 Jupiter MOID = .453929 au 
 T_jup = 3.030 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456601.5 (2013-Nov-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695237979884805 6.7363e-08  
q 3.303796093669769 3.1654e-07 au
tp 2455764.024386406873
(2011-Jul-21.52438641)
0.00023723 TDB
node 205.9980599978741 0.00018667 deg
peri 63.36486428604132 0.00018877 deg
i 2.237409154539238 8.6018e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5852 days (16.02 yr)  
   first obs. used      2002-04-15  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60103  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:06:09  

Additional Information
 Jupiter MOID = .453929 au 
 T_jup = 3.030 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.53782644885319E-15 -2.068254918366084E-14 -1.470791144653374E-12 -1.043969703550541E-14 -2.553961777781568E-13 -8.882667403749406E-17
q -2.068254918366084E-14 1.00195787252219E-13 8.049394204076747E-12 5.589038643786727E-14 1.57238637058767E-12 2.147769080224668E-15
tp -1.470791144653374E-12 8.049394204076747E-12 5.628025204465603E-8 4.13073652471764E-11 6.696711743403493E-9 9.071616358514296E-13
node -1.043969703550541E-14 5.589038643786727E-14 4.13073652471764E-11 3.484737640211867E-8 -3.481486605629074E-8 -2.810813241008272E-10
peri -2.553961777781568E-13 1.57238637058767E-12 6.696711743403493E-9 -3.481486605629074E-8 3.5632317729952E-8 2.81067709752433E-10
i -8.882667403749406E-17 2.147769080224668E-15 9.071616358514296E-13 -2.810813241008272E-10 2.81067709752433E-10 7.399136907739058E-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 14.9   n/a MPO440125  

212345 (2005 UW13)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
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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