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2220 Hicks (1975 VB)
Classification: Main-belt Asteroid          SPK-ID: 2002220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545242682040662 1.8475e-08  
a 3.158794211750605 1.2377e-08 au
q 2.670683847772603 5.702e-08 au
i 2.5924837199477 1.1814e-06 deg
node 94.65090999927246 1.5363e-05 deg
peri 281.6163483587973 1.6648e-05 deg
M 39.98003350358601 5.6257e-06 deg
tp 2458972.769562688947
(2020-May-03.26956269)
3.1615e-05 TDB
period 2050.597516998719
5.61
1.2052e-05
3.3e-08
d
yr
n .1755585857369518 1.0318e-09 deg/d
Q 3.646904575728608 1.429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3080  
   data-arc span      16579 days (45.39 yr)  
   first obs. used      1975-11-02  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45304  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:04:16  

Additional Information
 Earth MOID = 1.67229 au 
 Jupiter MOID = 1.81885 au 
 T_jup = 3.185 
[ 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 12.39   n/a E2021B10  
diameter diameter 16.301 km 0.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2220 Hicks           Discovered 1975 Nov. 4 by E. F. Helin at Palomar.
Named in honor of William B. Hicks, alumnus of the California Institute of Technology, distinguished engineer, businessman and supporter of the sciences. Name proposed by E. F. Helin and E. M. Shoemaker.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5285Last Updated: 2007-10-23

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