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JPL Small-Body Database Browser
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442186 (2011 EP45)
Classification: Main-belt Asteroid          SPK-ID: 2442186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302891738753288 8.1361e-08  
a 2.203040906203895 5.7534e-08 au
q 1.916008526521033 1.8723e-07 au
i 8.007252610527729 1.4304e-05 deg
node 161.116327302935 5.2749e-05 deg
peri 68.20188666687484 9.8757e-05 deg
M 134.5184545618875 0.00010117 deg
tp 2458154.215670965642
(2018-Feb-04.71567097)
0.00032072 TDB
period 1194.351800841225
3.27
4.6787e-05
1.281e-07
d
yr
n .3014187275025994 1.1808e-08 deg/d
Q 2.490073285886756 6.503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      2697 days (7.38 yr)  
   first obs. used      2008-04-30  
   last obs. used      2015-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58589  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:31:05  

Additional Information
 Earth MOID = .923954 au 
 Jupiter MOID = 2.51267 au 
 T_jup = 3.640 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO349187  

442186 (2011 EP45)          Discovered 2008-Apr-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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