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385568 (2004 TW289)
Classification: Main-belt Asteroid          SPK-ID: 2385568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165023874576978 9.2073e-08  
a 2.610334186250567 4.2532e-08 au
q 2.179566724894755 2.474e-07 au
i 12.87025449760836 1.1473e-05 deg
node 353.1272339206513 4.5973e-05 deg
peri 25.95921529403324 6.2242e-05 deg
M 307.9613071495182 5.2877e-05 deg
tp 2459423.172441969494
(2021-Jul-27.67244197)
0.00023066 TDB
period 1540.432219143944
4.22
3.7649e-05
1.031e-07
d
yr
n .2337006429273862 5.7117e-09 deg/d
Q 3.041101647606379 4.955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      5735 days (15.70 yr)  
   first obs. used      2002-03-09  
   last obs. used      2017-11-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:51  

Additional Information
 Earth MOID = 1.18567 au 
 Jupiter MOID = 2.45385 au 
 T_jup = 3.355 
[ 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 16.7   n/a MPO237337  

385568 (2004 TW289)          Discovered 2004-Oct-10 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2004 TW289 = 2008 SQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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