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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499897336594677 3.8502e-08  
a 2.383261065333456 1.3206e-08 au
q 2.025796372903111 9.2434e-08 au
i 2.367847119293949 4.596e-06 deg
node 91.6664069734709 0.00015955 deg
peri 156.0314378304043 0.00016147 deg
M 240.3850136355155 2.7523e-05 deg
tp 2459047.017976899264
(2020-Jul-16.51797690)
0.00010472 TDB
period 1343.865652368315
3.68
1.117e-05
3.058e-08
d
yr
n .2678839208112555 2.2265e-09 deg/d
Q 2.7407257577638 1.5186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      15511 days (42.47 yr)  
   first obs. used      1976-06-29  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60089  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:38:42  

Additional Information
 Earth MOID = 1.01207 au 
 Jupiter MOID = 2.28281 au 
 T_jup = 3.520 
[ 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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