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180564 (2004 EM68)
Classification: Main-belt Asteroid          SPK-ID: 2180564
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06358240450411767 4.778e-08  
a 3.042847161132868 3.2351e-08 au
q 2.849375622089512 1.6137e-07 au
i 10.65554423865899 6.6456e-06 deg
node 333.2591220860133 2.6919e-05 deg
peri 291.7008882647356 6.2332e-05 deg
M 322.0813411768779 5.7893e-05 deg
tp 2459404.706283932345
(2021-Jul-09.20628393)
0.00031255 TDB
period 1938.735822871895
5.31
3.0919e-05
8.465e-08
d
yr
n .185688011617139 2.9613e-09 deg/d
Q 3.236318700176224 3.4408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      6788 days (18.58 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:01  

Additional Information
 Earth MOID = 1.85334 au 
 Jupiter MOID = 1.94157 au 
 T_jup = 3.210 
[ 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 15.27   n/a E2021B55  
diameter diameter 3.831 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180564 (2004 EM68)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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