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434172 (2002 TR155)
Classification: Main-belt Asteroid          SPK-ID: 2434172
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 .1267451300155062 1.2746e-07  
a 2.300926382452443 2.1534e-08 au
q 2.009295168952399 2.9264e-07 au
i 8.50440989396601 1.1053e-05 deg
node 227.7441232857817 6.2764e-05 deg
peri 160.1273390534614 6.9326e-05 deg
M 358.2667677418244 3.0442e-05 deg
tp 2459006.637715800328
(2020-Jun-06.13771580)
0.00010782 TDB
period 1274.830697210647
3.49
1.7896e-05
4.9e-08
d
yr
n .2823904388148847 3.9642e-09 deg/d
Q 2.592557595952486 2.4263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5694 days (15.59 yr)  
   first obs. used      2002-09-12  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:07:08  

Additional Information
 Earth MOID = 1.01695 au 
 Jupiter MOID = 2.83542 au 
 T_jup = 3.566 
[ 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 17.0   n/a MPO437680  

434172 (2002 TR155)          Discovered 2002-Oct-05 by NEAT at Palomar
Reference: Last Updated: 2015-06-04

Alternate Designations
 2002 TR155 = 2008 FD111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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