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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094865391020806 5.2939e-08  
a 2.278165646123347 1.4295e-08 au
q 2.028737174028047 1.2739e-07 au
i 6.152885651140699 5.9344e-06 deg
node 112.2622682856459 5.7218e-05 deg
peri 297.7295524635856 7.0509e-05 deg
M 20.52455785272226 3.6302e-05 deg
tp 2458928.894285246771
(2020-Mar-20.39428525)
0.00012669 TDB
period 1255.961638547237
3.44
1.1821e-05
3.236e-08
d
yr
n .2866329583253911 2.6978e-09 deg/d
Q 2.527594118218647 1.586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   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      .6092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:18  

Additional Information
 Earth MOID = 1.04813 au 
 Jupiter MOID = 2.77671 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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