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201346 (2002 TW198)
Classification: Main-belt Asteroid          SPK-ID: 2201346
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223908309396456 4.6849e-08  
a 3.121415005612363 3.6894e-08 au
q 2.739382429367987 1.4639e-07 au
i 16.37969203157358 5.1992e-06 deg
node 294.5887007718957 1.6365e-05 deg
peri 6.301590206089007 2.5005e-05 deg
M 130.1997013370245 1.9103e-05 deg
tp 2458271.993912976984
(2018-Jun-02.49391298)
0.00010715 TDB
period 2014.307165339919
5.51
3.5713e-05
9.778e-08
d
yr
n .1787215009679266 3.1687e-09 deg/d
Q 3.503447581856738 4.141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-12-25  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:06:10  

Additional Information
 Earth MOID = 1.7242 au 
 Jupiter MOID = 1.73056 au 
 T_jup = 3.142 
[ 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 14.6   n/a MPO449980  
diameter diameter 6.938 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201346 (2002 TW198)          Discovered 2002-Oct-05 by LONEOS at Anderson Mesa
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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