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207273 (2005 EL321)
Classification: Main-belt Asteroid          SPK-ID: 2207273
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0145449958224409 6.0416e-08  
a 2.612175248556453 2.1619e-08 au
q 2.574181170478716 1.6355e-07 au
i 2.33489196938736 6.2766e-06 deg
node 80.31153627790101 0.00015237 deg
peri 30.47958620424937 0.00026189 deg
M 270.525557374814 0.00021479 deg
tp 2459383.764322039162
(2021-Jun-18.26432204)
0.00092133 TDB
period 1542.062201069916
4.22
1.9143e-05
5.241e-08
d
yr
n .2334536179865017 2.8981e-09 deg/d
Q 2.65016932663419 2.1933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      7633 days (20.90 yr)  
   first obs. used      1999-12-02  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:33:31  

Additional Information
 Earth MOID = 1.59114 au 
 Jupiter MOID = 2.33547 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457437.5 (2016-Feb-19.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01333117454515628 6.0155e-08  
q 2.578312690072937 1.6305e-07 au
tp 2457817.230384689362
(2017-Mar-04.73038469)
0.0010022 TDB
node 80.32232426230431 0.00015245 deg
peri 24.93228064571689 0.00027854 deg
i 2.334988197673943 6.2712e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      7633 days (20.90 yr)  
   first obs. used      1999-12-02  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:33:31  

Additional Information
 Jupiter MOID = 2.33547 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.618649353439452E-15 -9.727330858994675E-15 -8.380895390934266E-13 -2.664299033499353E-14 -9.422771132714198E-14 8.097821534724048E-16
q -9.727330858994675E-15 2.658603755426059E-14 7.2960747009304E-12 6.729382518826797E-14 1.405043356944529E-12 -1.898973997545843E-15
tp -8.380895390934266E-13 7.2960747009304E-12 1.004448847097491E-6 -1.719827789990815E-10 2.336732446718675E-7 1.723802912762768E-11
node -2.664299033499353E-14 6.729382518826797E-14 -1.719827789990815E-10 2.324015281353403E-8 -2.326060583268514E-8 8.791590156009681E-11
peri -9.422771132714198E-14 1.405043356944529E-12 2.336732446718675E-7 -2.326060583268514E-8 7.758526552175867E-8 -8.3827542515393E-11
i 8.097821534724048E-16 -1.898973997545843E-15 1.723802912762768E-11 8.791590156009681E-11 -8.3827542515393E-11 3.932844097896413E-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 16.9   n/a MPO494155  

207273 (2005 EL321)          Discovered 2005-Mar-08 by Lowe, A. at Mayhill
Reference: 20090209/Numbers.arcLast Updated: 2009-02-11

[ show close-approach data ]
Alternate Designations
 2005 EL321 = 2007 VD103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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