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186791 (2004 ER13)
Classification: Main-belt Asteroid          SPK-ID: 2186791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494273561542141 3.3723e-08  
a 2.368658160826098 1.1676e-08 au
q 2.014715834220751 7.9922e-08 au
i 6.425471091861909 5.4081e-06 deg
node 28.10995042619079 3.1701e-05 deg
peri 261.1937592975672 3.6785e-05 deg
M 115.8390140447247 1.8257e-05 deg
tp 2458772.045842028984
(2019-Oct-15.54584203)
6.7324e-05 TDB
period 1331.533232922834
3.65
9.8455e-06
2.696e-08
d
yr
n .2703650131283378 1.9991e-09 deg/d
Q 2.722600487431445 1.3421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      6170 days (16.89 yr)  
   first obs. used      2004-03-11  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:43  

Additional Information
 Earth MOID = 1.00894 au 
 Jupiter MOID = 2.45654 au 
 T_jup = 3.523 
[ 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 16.57   n/a MPCxxxxx  

186791 (2004 ER13)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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