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JPL Small-Body Database Browser
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226185 (2002 TW204)
Classification: Main-belt Asteroid          SPK-ID: 2226185
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092872501429489 5.3381e-08  
a 2.278070625984622 1.435e-08 au
q 2.029106551639336 1.2839e-07 au
i 6.152672932382334 6.0105e-06 deg
node 112.2626958020237 5.8228e-05 deg
peri 297.6777556154461 7.1595e-05 deg
M 265.8983456910975 3.69e-05 deg
tp 2458928.779649288291
(2020-Mar-20.27964929)
0.00012852 TDB
period 1255.883061904939
3.44
1.1866e-05
3.249e-08
d
yr
n .2866508920455918 2.7084e-09 deg/d
Q 2.527034700329907 1.5918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      2000-01-07  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60938  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:50:25  

Additional Information
 Earth MOID = 1.04804 au 
 Jupiter MOID = 2.77803 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 17.1   n/a MPO440181  

226185 (2002 TW204)          Discovered 2002-Oct-04 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 TW204 = 2005 NX97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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