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JPL Small-Body Database Browser
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215494 (2002 TH157)
Classification: Main-belt Asteroid          SPK-ID: 2215494
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08177424624373457 4.2133e-08  
a 2.602511259207971 2.1296e-08 au
q 2.389692862645407 1.13e-07 au
i 14.35950384594436 5.182e-06 deg
node 72.52891094320965 1.911e-05 deg
peri 89.47096855625564 3.8301e-05 deg
M 203.4990740467858 3.284e-05 deg
tp 2459267.155955430480
(2021-Feb-21.65595543)
0.00014118 TDB
period 1533.512613380443
4.20
1.8823e-05
5.153e-08
d
yr
n .23475516070678 2.8815e-09 deg/d
Q 2.815329655770535 2.3038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51822  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:58:53  

Additional Information
 Earth MOID = 1.44949 au 
 Jupiter MOID = 2.28876 au 
 T_jup = 3.365 
[ 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 15.7   n/a MPO413071  

215494 (2002 TH157)          Discovered 2002-Oct-05 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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