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JPL Small-Body Database Browser
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212100 (2005 EX151)
Classification: Main-belt Asteroid          SPK-ID: 2212100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07813368166827232 4.141e-08  
a 2.553062234386798 1.8182e-08 au
q 2.353582082485932 1.0168e-07 au
i 4.056179545314206 5.0193e-06 deg
node 55.67553853819381 6.5099e-05 deg
peri 282.3392864738515 7.3463e-05 deg
M 22.792531984357 3.4087e-05 deg
tp 2458506.163317135839
(2019-Jan-22.66331714)
0.00014093 TDB
period 1490.014617700498
4.08
1.5917e-05
4.358e-08
d
yr
n .2416083679471406 2.581e-09 deg/d
Q 2.752542386287664 1.9603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:51:43  

Additional Information
 Earth MOID = 1.34763 au 
 Jupiter MOID = 2.51593 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457147.5 (2015-May-05.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0796552623711111 4.1702e-08  
q 2.349667575002611 1.0264e-07 au
tp 2457013.146002305682
(2014-Dec-21.64600231)
0.00013552 TDB
node 55.69934053475377 6.5171e-05 deg
peri 281.7023406889531 7.3115e-05 deg
i 4.055406244351201 5.0149e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:51:43  

Additional Information
 Jupiter MOID = 2.51593 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.739097833921359E-15 -4.228704786116836E-15 -7.88666894779009E-13 2.398773512916743E-14 -2.254267792061733E-13 -4.257862965539667E-16
q -4.228704786116836E-15 1.053584891017004E-14 2.134518269476516E-12 -5.979142255200255E-14 6.049265461518479E-13 1.262360007479948E-15
tp -7.88666894779009E-13 2.134518269476516E-12 1.836584509499571E-8 -2.631819074201364E-11 4.512161997999821E-9 6.170836906183929E-12
node 2.398773512916743E-14 -5.979142255200255E-14 -2.631819074201364E-11 4.247245391096762E-9 -4.242802680252809E-9 4.565029881786929E-11
peri -2.254267792061733E-13 6.049265461518479E-13 4.512161997999821E-9 -4.242802680252809E-9 5.345785267331377E-9 -4.402499006843407E-11
i -4.257862965539667E-16 1.262360007479948E-15 6.170836906183929E-12 4.565029881786929E-11 -4.402499006843407E-11 2.514896714862249E-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 16.0   n/a MPO454522  

212100 (2005 EX151)          Discovered 2005-Mar-10 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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