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193413 (2000 WH61)
Classification: Main-belt Asteroid          SPK-ID: 2193413
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2813935333564587 6.4523e-08  
a 2.582945768157748 2.0003e-08 au
q 1.856121531987726 1.7625e-07 au
i 13.1622433560221 5.0106e-06 deg
node 97.95987979102499 2.658e-05 deg
peri 292.8890259176662 2.9422e-05 deg
M 288.9941516530187 1.6362e-05 deg
tp 2459299.563201600225
(2021-Mar-26.06320160)
7.1718e-05 TDB
period 1516.251901533095
4.15
1.7613e-05
4.822e-08
d
yr
n .2374275670394879 2.758e-09 deg/d
Q 3.309770004327769 2.5632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      6783 days (18.57 yr)  
   first obs. used      2000-11-01  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54154  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:03:31  

Additional Information
 Earth MOID = .907646 au 
 Jupiter MOID = 2.25418 au 
 T_jup = 3.331 
[ 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 15.1   n/a MPO475629  
diameter diameter 4.980 km 0.447 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193413 (2000 WH61)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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