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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2301922910175574 5.7742e-08  
a 3.177649504710998 3.7258e-08 au
q 2.446179085170767 1.9203e-07 au
i 27.21890393834116 8.2067e-06 deg
node 45.41903287693736 1.2894e-05 deg
peri 290.6786813995783 2.0675e-05 deg
M 47.64899481464413 1.5847e-05 deg
tp 2458726.652576890478
(2019-Aug-31.15257689)
9.1097e-05 TDB
period 2068.985352218376
5.66
3.6388e-05
9.962e-08
d
yr
n .1739983318944265 3.0602e-09 deg/d
Q 3.909119924251228 4.5834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:09:42  

Additional Information
 Earth MOID = 1.57227 au 
 Jupiter MOID = 2.00267 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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