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259033 (2002 TW227)
Classification: Main-belt Asteroid          SPK-ID: 2259033
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997493002593185 4.142e-08  
a 2.415495144293304 1.1152e-08 au
q 1.933001679440935 1.0139e-07 au
i 3.306725481791721 3.9523e-06 deg
node 126.2164149105036 8.1865e-05 deg
peri 241.5891083299286 8.2475e-05 deg
M 266.8273986662523 1e-05 deg
tp 2459355.389704314720
(2021-May-20.88970431)
3.8953e-05 TDB
period 1371.221708146337
3.75
9.4958e-06
2.6e-08
d
yr
n .262539600898428 1.8181e-09 deg/d
Q 2.897988609145673 1.3379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      6522 days (17.86 yr)  
   first obs. used      2002-10-08  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:52  

Additional Information
 Earth MOID = .934422 au 
 Jupiter MOID = 2.56528 au 
 T_jup = 3.487 
[ 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 16.8   n/a MPO437203  

259033 (2002 TW227)          Discovered 2002-Oct-08 by LONEOS at Anderson Mesa
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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