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JPL Small-Body Database Browser
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212145 (2005 EM280)
Classification: Main-belt Asteroid          SPK-ID: 2212145
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317477025653476 7.3209e-08  
a 2.600153138210616 3.9123e-08 au
q 2.257588935933289 1.9763e-07 au
i 6.878916581789944 7.1128e-06 deg
node 138.9267478587118 6.2146e-05 deg
peri 86.22528005587247 8.323e-05 deg
M 101.4952231139664 6.8866e-05 deg
tp 2458168.742471540476
(2018-Feb-19.24247154)
0.00028519 TDB
period 1531.428824693524
4.19
3.4564e-05
9.463e-08
d
yr
n .2350745879894515 5.3056e-09 deg/d
Q 2.942717340487943 4.4278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      5350 days (14.65 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62945  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:51:43  

Additional Information
 Earth MOID = 1.26145 au 
 Jupiter MOID = 2.06775 au 
 T_jup = 3.393 
[ 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 16.7   n/a MPO454523  

212145 (2005 EM280)          Discovered 2005-Mar-10 by CSS at Catalina
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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