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JPL Small-Body Database Browser
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17220 Johnpenna (2000 CX26)
Classification: Main-belt Asteroid          SPK-ID: 2017220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144124451795694 4.4202e-08  
a 2.277793177086833 6.2669e-09 au
q 1.949507484135221 1.0114e-07 au
i 2.691530243580364 4.7248e-06 deg
node 228.6988397280558 7.5789e-05 deg
peri 168.2720394511503 7.6992e-05 deg
M 54.53135389292249 1.2169e-05 deg
tp 2458810.298631182691
(2019-Nov-22.79863118)
4.2486e-05 TDB
period 1255.653635680558
3.44
5.1821e-06
1.419e-08
d
yr
n .2867032673424164 1.1832e-09 deg/d
Q 2.606078870038445 7.1702e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1454  
   data-arc span      8879 days (24.31 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:58:45  

Additional Information
 Earth MOID = .956766 au 
 Jupiter MOID = 2.79536 au 
 T_jup = 3.592 
[ 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 15.0   n/a MPO502301  
diameter diameter 5.665 km 0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17220 Johnpenna           Discovered 2000 Feb. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of John Penna for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Penna is a teacher at the Governor Livingston High School, Berkeley Heights, New Jersey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020227/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 CX26 = 1997 EM49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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