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117543 (2005 EM1)
Classification: Main-belt Asteroid          SPK-ID: 2117543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500857374749227 3.8407e-08  
a 2.382934273463849 9.0347e-09 au
q 2.025289825676758 9.2114e-08 au
i 2.367832368291332 3.7207e-06 deg
node 91.66573920930306 0.00011482 deg
peri 156.124198475808 0.00011602 deg
M 347.473924515107 1.5139e-05 deg
tp 2459047.249723458873
(2020-Jul-16.74972346)
5.6454e-05 TDB
period 1343.589256307115
3.68
7.6412e-06
2.092e-08
d
yr
n .267939028471743 1.5238e-09 deg/d
Q 2.74057872125094 1.0391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      16087 days (44.04 yr)  
   first obs. used      1976-06-29  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:17:57  

Additional Information
 Earth MOID = 1.01175 au 
 Jupiter MOID = 2.28305 au 
 T_jup = 3.521 
[ 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 16.4   n/a MPO320349  

117543 (2005 EM1)          Discovered 2005-Mar-03 by Lowe, A. at New Mexico Skies
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 EM1 = 1991 PN22 = 2003 WY131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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