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JPL Small-Body Database Browser
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393900 (2005 TH155)
Classification: Main-belt Asteroid          SPK-ID: 2393900
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03823611950076141 6.0321e-08  
a 2.276282154848647 1.6889e-08 au
q 2.189245958358403 1.3548e-07 au
i 4.465511329901585 6.6199e-06 deg
node 344.7970496191541 8.6803e-05 deg
peri 86.60090587094632 0.0001522 deg
M 43.78874901769213 0.00011884 deg
tp 2458847.920002003701
(2019-Dec-30.42000200)
0.00041484 TDB
period 1254.404396354748
3.43
1.3961e-05
3.822e-08
d
yr
n .2869887900952408 3.194e-09 deg/d
Q 2.36331835133889 1.7535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:53:00  

Additional Information
 Earth MOID = 1.20867 au 
 Jupiter MOID = 2.71332 au 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO503477  

393900 (2005 TH155)          Discovered 2005-Oct-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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