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215498 (2002 TK226)
Classification: Main-belt Asteroid          SPK-ID: 2215498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184566420513109 6.3908e-08  
a 2.70038066415556 2.0165e-08 au
q 2.110464572003847 1.7486e-07 au
i 18.62796436936059 7.2266e-06 deg
node 56.08764798834703 2.4018e-05 deg
peri 354.9858967000776 3.1829e-05 deg
M 343.6248732317993 2.4126e-05 deg
tp 2459074.225560212253
(2020-Aug-12.72556021)
0.0001092 TDB
period 1620.824195874446
4.44
1.8156e-05
4.971e-08
d
yr
n .2221092212939093 2.4879e-09 deg/d
Q 3.290296756307272 2.4571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      5742 days (15.72 yr)  
   first obs. used      2002-09-16  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5566  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:35:15  

Additional Information
 Earth MOID = 1.12219 au 
 Jupiter MOID = 2.09875 au 
 T_jup = 3.259 
[ 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 15.7   n/a MPO360127  
diameter diameter 5.081 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215498 (2002 TK226)          Discovered 2002-Oct-08 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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