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193744 (2001 HW56)
Classification: Main-belt Asteroid          SPK-ID: 2193744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2301921973815269 5.9948e-08  
a 3.177527589076069 4.5062e-08 au
q 2.446085531106223 1.9493e-07 au
i 27.22041731454296 9.6256e-06 deg
node 45.41965173450951 1.3061e-05 deg
peri 290.6114338935408 2.7474e-05 deg
M 338.0900954167756 2.861e-05 deg
tp 2458726.412952404108
(2019-Aug-30.91295240)
0.00016562 TDB
period 2068.866283433538
5.66
4.401e-05
1.205e-07
d
yr
n .174008345963537 3.7016e-09 deg/d
Q 3.908969647045915 5.5435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7882 days (21.58 yr)  
   first obs. used      1997-10-29  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:24:35  

Additional Information
 Earth MOID = 1.57166 au 
 Jupiter MOID = 2.0008 au 
 T_jup = 2.990 
[ 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 14.2   n/a MPO449957  
diameter diameter 8.689 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193744 (2001 HW56)          Discovered 2001-Apr-24 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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