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212099 (2005 EX139)
Classification: Main-belt Asteroid          SPK-ID: 2212099
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652395668306331 5.6549e-08  
a 2.619987044100187 3.3759e-08 au
q 2.187061519831201 1.3801e-07 au
i 11.63435046722962 6.7865e-06 deg
node 354.1308525117884 3.4253e-05 deg
peri 224.273700209259 5.0307e-05 deg
M 237.2193339085482 4.6134e-05 deg
tp 2459728.792720935778
(2022-May-29.29272094)
0.00020734 TDB
period 1548.984751355093
4.24
2.9939e-05
8.197e-08
d
yr
n .2324102930548945 4.492e-09 deg/d
Q 3.052912568369173 3.9338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      10490 days (28.72 yr)  
   first obs. used      1992-03-04  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:40:41  

Additional Information
 Earth MOID = 1.19672 au 
 Jupiter MOID = 1.97958 au 
 T_jup = 3.357 
[ 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 16.1   n/a MPO494171  

212099 (2005 EX139)          Discovered 2005-Mar-09 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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