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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223618025034349 5.0555e-08  
a 3.120137515052026 3.8688e-08 au
q 2.738351864651672 1.6154e-07 au
i 16.37901054977348 5.6757e-06 deg
node 294.5945838049985 1.7577e-05 deg
peri 6.098338657042507 2.6863e-05 deg
M 58.90142407221566 1.9949e-05 deg
tp 2458271.131301299286
(2018-Jun-01.63130130)
0.0001124 TDB
period 2013.07070923925
5.51
3.7441e-05
1.025e-07
d
yr
n .1788312742059845 3.3261e-09 deg/d
Q 3.501923165452379 4.3422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      7648 days (20.94 yr)  
   first obs. used      1998-12-25  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5443  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:35:43  

Additional Information
 Earth MOID = 1.72239 au 
 Jupiter MOID = 1.72948 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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