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JPL Small-Body Database Browser
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20226 (1997 NG6)
Classification: Main-belt Asteroid          SPK-ID: 2020226
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06638303466747211 4.8852e-08  
a 2.993967870369644 1.9341e-08 au
q 2.795219197437598 1.4408e-07 au
i 11.69199063806703 4.0646e-06 deg
node 107.8999071183135 2.5013e-05 deg
peri 243.815408049541 4.0985e-05 deg
M 347.8626011120153 3.2507e-05 deg
tp 2458664.295824437873
(2019-Jun-29.79582444)		 0.00017079 TDB
period 1892.209114126569
5.18		 1.8335e-05
5.02e-08		 d
yr
n .190253813551772 1.8435e-09 deg/d
Q 3.19271654330169 2.0625e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1642  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1997-07-11  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49791  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:42:37  

Additional Information
 Earth MOID = 1.80933 au 
 Jupiter MOID = 2.13689 au 
 T_jup = 3.220 
[ 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 13.1   n/a MPO358824  
diameter diameter 8.491 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20226 (1997 NG6)          Discovered 1997-Jul-11 by Williams, K. A. at Lake Clear
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

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