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155370 (1988 TX)
Classification: Mars-crossing Asteroid          SPK-ID: 2155370
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3153263448601563 9.428e-08  
a 2.193522751833725 1.6587e-08 AU
q 1.501847240130405 2.0516e-07 AU
i 4.778648382099122 1.1844e-05 deg
node 207.1799868754416 8.7203e-05 deg
peri 136.6595880626786 9.1358e-05 deg
M 336.5499704107602 3.0709e-05 deg
tp 2456877.795201954544
(2014-Aug-08.29520195)
0.00010199 JED
period 1186.619939976714
3.25
1.3459e-05
3.685e-08
d
yr
n .3033827326440043 3.4411e-09 deg/d
Q 2.885198263537045 2.1817e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      8933 days (24.46 yr)  
   first obs. used      1988-10-07  
   last obs. used      2013-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62093  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-07 13:38:08  

Additional Information
 Earth MOID = .498188 AU 
 T_jup = 3.600 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2 mag n/a MPO257706  

155370 (1988 TX)          Discovered 1988-Oct-13 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20070502/Numbers.arcLast Updated: 2007-05-02

[ show close-approach data ]
Alternate Designations
 1988 TX = 2001 QG2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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