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180561 (2004 EU56)
Classification: Main-belt Asteroid          SPK-ID: 2180561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187972089795298 5.3816e-08  
a 2.622947309048609 2.1727e-08 au
q 2.311348489433266 1.417e-07 au
i 12.14116480754305 5.8368e-06 deg
node 17.31689505051705 2.7279e-05 deg
peri 217.8045112057198 4.0896e-05 deg
M 310.1733664390372 3.6693e-05 deg
tp 2459415.254276833778
(2021-Jul-19.75427683)
0.00015965 TDB
period 1551.610737770785
4.25
1.9279e-05
5.278e-08
d
yr
n .2320169558230923 2.8828e-09 deg/d
Q 2.934546128663952 2.4308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7032 days (19.25 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:43:36  

Additional Information
 Earth MOID = 1.31277 au 
 Jupiter MOID = 2.08156 au 
 T_jup = 3.362 
[ 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 MPO227015  

180561 (2004 EU56)          Discovered 2004-Mar-14 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 EU56 = 2001 SP221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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