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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349803363324117 3.8448e-08  
a 2.763251392872666 1.8057e-08 au
q 2.390266790491709 1.0786e-07 au
i 6.127200766016226 4.4131e-06 deg
node 79.73464000443605 4.8324e-05 deg
peri 3.522953667454192 5.268e-05 deg
M 42.99763001404136 1.9342e-05 deg
tp 2458400.112309087602
(2018-Oct-08.61230909)
9.0094e-05 TDB
period 1677.756860201487
4.59
1.6445e-05
4.502e-08
d
yr
n .2145722115877783 2.1032e-09 deg/d
Q 3.136235995253624 2.0494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      7127 days (19.51 yr)  
   first obs. used      1999-10-04  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:35:28  

Additional Information
 Earth MOID = 1.40624 au 
 Jupiter MOID = 2.08678 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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