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JPL Small-Body Database Browser
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97001 (1999 TW238)
Classification: Main-belt Asteroid          SPK-ID: 2097001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347825252458571 3.6364e-08  
a 2.762703206549832 1.6615e-08 au
q 2.39033909186622 9.9924e-08 au
i 6.127147849830221 4.0647e-06 deg
node 79.73377474800508 4.386e-05 deg
peri 3.431818745128727 4.7327e-05 deg
M 128.9563670321781 1.7526e-05 deg
tp 2458399.685973059936
(2018-Oct-08.18597306)
8.0323e-05 TDB
period 1677.257623459974
4.59
1.5131e-05
4.143e-08
d
yr
n .214636079135753 1.9363e-09 deg/d
Q 3.135067321233445 1.8855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7510 days (20.56 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:28:52  

Additional Information
 Earth MOID = 1.40637 au 
 Jupiter MOID = 2.08739 au 
 T_jup = 3.319 
[ 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 15.2   n/a MPO366339  

97001 (1999 TW238)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 TW238 = 2001 DV16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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