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JPL Small-Body Database Browser
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226181 (2002 TD157)
Classification: Main-belt Asteroid          SPK-ID: 2226181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795393733588571 6.6253e-08  
a 2.206054764555108 1.0501e-08 au
q 1.809981074531563 1.4843e-07 au
i 7.692294365237208 3.9839e-06 deg
node 102.0528472942218 4.9424e-05 deg
peri 274.0233276069808 5.0901e-05 deg
M 20.67465656223856 1.2244e-05 deg
tp 2458531.768050193872
(2019-Feb-17.26805019)
4.0528e-05 TDB
period 1196.803528789891
3.28
8.5456e-06
2.34e-08
d
yr
n .3008012521186349 2.1478e-09 deg/d
Q 2.602128454578652 1.2387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      7322 days (20.05 yr)  
   first obs. used      1998-06-29  
   last obs. used      2018-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55939  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:10:38  

Additional Information
 Earth MOID = .830309 au 
 Jupiter MOID = 2.88688 au 
 T_jup = 3.628 
[ 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 16.7   n/a MPO454623  

226181 (2002 TD157)          Discovered 2002-Oct-05 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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