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233421 (2006 HW1)
Classification: Main-belt Asteroid          SPK-ID: 2233421
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0610374203420932 3.72e-08  
a 2.749879851227417 2.08e-08 au
q 2.582034278857796 1.0081e-07 au
i 6.050667557202638 4.655e-06 deg
node 90.62763711968914 4.5692e-05 deg
peri 36.05696988503119 6.5755e-05 deg
M 109.1698546309485 4.7731e-05 deg
tp 2458495.409457800146
(2019-Jan-11.90945780)
0.00021894 TDB
period 1665.593453491692
4.56
1.8898e-05
5.174e-08
d
yr
n .2161391780481056 2.4523e-09 deg/d
Q 2.917725423597037 2.207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      7061 days (19.33 yr)  
   first obs. used      2001-02-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60209  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:28:39  

Additional Information
 Earth MOID = 1.60044 au 
 Jupiter MOID = 2.12505 au 
 T_jup = 3.335 
[ 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 15.6   n/a MPO470485  
diameter diameter 3.684 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233421 (2006 HW1)          Discovered 2006-Apr-18 by NEAT at Palomar
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2006 HW1 = 2001 DK17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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