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117578 (2005 ET35)
Classification: Main-belt Asteroid          SPK-ID: 2117578
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073171311595795 7.1745e-08  
a 2.770015257162448 2.1884e-08 au
q 2.472745166495509 1.9559e-07 au
i 3.079511128186194 7.1294e-06 deg
node 227.8233727381591 0.00010174 deg
peri 330.4721924251899 0.00010451 deg
M 92.01329446199782 2.0655e-05 deg
tp 2458570.102491728489
(2019-Mar-27.60249173)
9.8062e-05 TDB
period 1683.920827785778
4.61
1.9955e-05
5.463e-08
d
yr
n .2137867731426372 2.5335e-09 deg/d
Q 3.067285347829387 2.4233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      7513 days (20.57 yr)  
   first obs. used      1998-10-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:55  

Additional Information
 Earth MOID = 1.47102 au 
 Jupiter MOID = 1.89812 au 
 T_jup = 3.327 
[ 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 15.9   n/a MPO432680  
diameter diameter 3.702 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117578 (2005 ET35)          Discovered 2005-Mar-04 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 ET35 = 2002 RT231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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