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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01454491742703666 6.721e-08  
a 2.612175215758921 2.8073e-08 au
q 2.574181342940756 1.7396e-07 au
i 2.334897077187957 6.6585e-06 deg
node 80.31181148659711 0.00017912 deg
peri 30.47909658466672 0.0003335 deg
M 270.5257826476998 0.00028686 deg
tp 2459383.763349863203
(2021-Jun-18.26334986)
0.0012323 TDB
period 1542.062172027549
4.22
2.4859e-05
6.806e-08
d
yr
n .2334536223832411 3.7634e-09 deg/d
Q 2.650169088577086 2.8481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      7237 days (19.81 yr)  
   first obs. used      1999-12-02  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:26:41  

Additional Information
 Earth MOID = 1.59114 au 
 Jupiter MOID = 2.33547 au 
 T_jup = 3.408 
[ show covariance matrix ]

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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