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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01466240596752111 5.8519e-08  
a 2.612708973077902 1.9305e-08 au
q 2.574400373439648 1.6094e-07 au
i 2.334794426274668 6.1083e-06 deg
node 80.31307458849236 0.00012066 deg
peri 29.81817290945392 0.00022145 deg
M 317.8740143133928 0.00018572 deg
tp 2459381.002223951516
(2021-Jun-15.50222395)
0.00079591 TDB
period 1542.534840750437
4.22
1.7097e-05
4.681e-08
d
yr
n .2333820867377371 2.5867e-09 deg/d
Q 2.651017572716155 1.9589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      7716 days (21.13 yr)  
   first obs. used      1999-12-02  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:33:27  

Additional Information
 Earth MOID = 1.59128 au 
 Jupiter MOID = 2.33425 au 
 T_jup = 3.407 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2023-Jul-21 23:21 < 00:01 Eunom 0.0379097556565785 0.0379041338048212 0.0379153776226007 5.35379646228074 5.35379639311659 2460147.473003725 0.717287610601802 299.593736504614 59.406508608373 -21.1840444354756 38726.6338178426 T 12 CATAB v2.0f-lin.ifort 2021-Feb-24 12:33:28 2021-Feb-24 12:33

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