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118550 (2000 EC156)
Classification: Main-belt Asteroid          SPK-ID: 2118550
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07320156228760623 4.9034e-08  
a 2.401901317538392 1.6824e-08 au
q 2.226078388633922 1.1553e-07 au
i 5.747486983492719 5.8978e-06 deg
node 312.3523725967933 5.4277e-05 deg
peri 278.67001434 7.1586e-05 deg
M 110.0295676005109 4.3591e-05 deg
tp 2458584.935851665663
(2019-Apr-11.43585167)
0.00016552 TDB
period 1359.66264943921
3.72
1.4286e-05
3.911e-08
d
yr
n .2647715594368069 2.7819e-09 deg/d
Q 2.577724246442862 1.8056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7447 days (20.39 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:03:48  

Additional Information
 Earth MOID = 1.22399 au 
 Jupiter MOID = 2.43782 au 
 T_jup = 3.515 
[ 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 16.1   n/a MPO248093  

118550 (2000 EC156)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 EC156 = 2001 SR81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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