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305861 (2009 EL24)
Classification: Main-belt Asteroid          SPK-ID: 2305861
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02081991136129989 4.2367e-08  
a 2.783809587617547 2.6156e-08 au
q 2.725850918756612 1.1084e-07 au
i 5.080421056348286 4.4215e-06 deg
node 46.66566984306029 5.1911e-05 deg
peri 204.8730281240367 0.00013929 deg
M 114.126339962662 0.00012703 deg
tp 2458662.674852364085
(2019-Jun-28.17485236)
0.00060026 TDB
period 1696.515048255063
4.64
2.391e-05
6.546e-08
d
yr
n .2121997092629831 2.9907e-09 deg/d
Q 2.841768256478481 2.6701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6615 days (18.11 yr)  
   first obs. used      2002-11-05  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:46  

Additional Information
 Earth MOID = 1.7111 au 
 Jupiter MOID = 2.13602 au 
 T_jup = 3.326 
[ 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 16.46   n/a MPCxxxxx  

305861 (2009 EL24)          Discovered 2009-Mar-02 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 EL24 = 2002 VB138 = 2007 XV22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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