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214203 (2005 EM54)
Classification: Main-belt Asteroid          SPK-ID: 2214203
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217571748893752 5.9036e-08  
a 2.434343882451817 1.6889e-08 au
q 2.13794504861525 1.5023e-07 au
i 1.238906608055321 6.0857e-06 deg
node 171.0154456474738 0.00024154 deg
peri 49.29207279223929 0.00024268 deg
M 321.514442778095 2.6645e-05 deg
tp 2459148.808689361562
(2020-Oct-26.30868936)
0.00010349 TDB
period 1387.302978681402
3.80
1.4437e-05
3.953e-08
d
yr
n .2594963072465765 2.7004e-09 deg/d
Q 2.730742716288383 1.8945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      7490 days (20.51 yr)  
   first obs. used      1999-10-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:04:15  

Additional Information
 Earth MOID = 1.13009 au 
 Jupiter MOID = 2.2402 au 
 T_jup = 3.495 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1225411205987026 5.889e-08  
q 2.135603089466719 1.4988e-07 au
tp 2457761.342480810669
(2017-Jan-07.84248081)
9.6259e-05 TDB
node 171.0303426291018 0.00024172 deg
peri 49.36012833075225 0.00024285 deg
i 1.237990380402464 6.0868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      7490 days (20.51 yr)  
   first obs. used      1999-10-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:04:15  

Additional Information
 Jupiter MOID = 2.2402 au 
 T_jup = 3.495 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.467980600498733E-15 -8.790118238126636E-15 -1.521224393742484E-12 1.500732142673344E-16 -2.445519121980461E-13 -8.617715205724782E-16
q -8.790118238126636E-15 2.246270332021291E-14 4.293102197124797E-12 2.835246054526669E-15 7.065855143448109E-13 2.278483375256474E-15
tp -1.521224393742484E-12 4.293102197124797E-12 9.265775313119071E-9 4.574897603337753E-11 2.262925453228134E-9 1.270470251177969E-12
node 1.500732142673344E-16 2.835246054526669E-15 4.574897603337753E-11 5.842747376714127E-8 -5.840171412337949E-8 8.501243961961496E-11
peri -2.445519121980461E-13 7.065855143448109E-13 2.262925453228134E-9 -5.840171412337949E-8 5.897618481150509E-8 -8.469802632546896E-11
i -8.617715205724782E-16 2.278483375256474E-15 1.270470251177969E-12 8.501243961961496E-11 -8.469802632546896E-11 3.704914433752739E-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 17.1   n/a MPO459956  

214203 (2005 EM54)          Discovered 2005-Mar-04 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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