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136400 (2004 XW180)
Classification: Main-belt Asteroid          SPK-ID: 2136400
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2550461556926168 4.4414e-08  
a 3.128069575134659 3.2308e-08 au
q 2.330267455257526 1.3593e-07 au
i 21.20178816437118 6.7146e-06 deg
node 325.5791123294623 1.3178e-05 deg
peri 262.9984562656363 1.8291e-05 deg
M 246.2978861879122 1.2689e-05 deg
tp 2459638.732728471687
(2022-Feb-28.23272847)
7.5585e-05 TDB
period 2020.752073523728
5.53
3.1307e-05
8.571e-08
d
yr
n .1781514935537058 2.76e-09 deg/d
Q 3.925871695011791 4.0548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2001-09-10  
   last obs. used      2020-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:40:08  

Additional Information
 Earth MOID = 1.43398 au 
 Jupiter MOID = 1.72842 au 
 T_jup = 3.061 
[ 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 14.5   n/a MPO432826  
diameter diameter 7.106 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136400 (2004 XW180)          Discovered 2004-Dec-14 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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