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212052 (2005 EG20)
Classification: Main-belt Asteroid          SPK-ID: 2212052
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049957412309093 3.637e-08  
a 2.346345787281084 1.5854e-08 au
q 2.099989472161485 8.7001e-08 au
i 3.402498576151685 4.7555e-06 deg
node 152.8812862571275 7.0774e-05 deg
peri 103.5961089960149 7.4888e-05 deg
M 3.427927412501057 2.6324e-05 deg
tp 2458987.999840154263
(2020-May-18.49984015)
9.5939e-05 TDB
period 1312.763370675341
3.59
1.3306e-05
3.643e-08
d
yr
n .2742306862315946 2.7795e-09 deg/d
Q 2.592702102400683 1.7519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      5601 days (15.33 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:51:04  

Additional Information
 Earth MOID = 1.08819 au 
 Jupiter MOID = 2.44301 au 
 T_jup = 3.551 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456993.5 (2014-Dec-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054278170603523 3.6382e-08  
q 2.098235667166785 8.7025e-08 au
tp 2456362.019419268115
(2013-Mar-10.51941927)
8.7056e-05 TDB
node 152.9085527690794 7.0807e-05 deg
peri 103.3215833341962 7.4881e-05 deg
i 3.401391789103906 4.7556e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      5601 days (15.33 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:51:04  

Additional Information
 Jupiter MOID = 2.44301 au 
 T_jup = 3.551 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.323647917715645E-15 -3.123018235599317E-15 -6.156933400997488E-14 4.60821904276422E-15 -2.531989579499605E-15 2.720238514540387E-16
q -3.123018235599317E-15 7.57339429868481E-15 3.587049273621463E-13 -1.107666722601314E-14 8.765184221213019E-14 -3.214189907195542E-16
tp -6.156933400997488E-14 3.587049273621463E-13 7.578768833980883E-9 -2.715792738562511E-11 2.131863978970471E-9 1.252907816185762E-12
node 4.60821904276422E-15 -1.107666722601314E-14 -2.715792738562511E-11 5.013678806275022E-9 -5.011676542751979E-9 2.176262086239099E-11
peri -2.531989579499605E-15 8.765184221213019E-14 2.131863978970471E-9 -5.011676542751979E-9 5.60718386179642E-9 -2.132801490835542E-11
i 2.720238514540387E-16 -3.214189907195542E-16 1.252907816185762E-12 2.176262086239099E-11 -2.132801490835542E-11 2.26160428869064E-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 16.5   n/a MPO437019  

212052 (2005 EG20)          Discovered 2005-Mar-03 by CSS at Catalina
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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