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100155 (1993 TG25)
Classification: Main-belt Asteroid          SPK-ID: 2100155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934615151794832 5.0733e-08  
a 2.566774517004805 1.5633e-08 au
q 2.070202429820969 1.2838e-07 au
i 4.453757849382153 4.801e-06 deg
node 45.64699870787262 6.1343e-05 deg
peri 10.91524170781055 6.2504e-05 deg
M 146.4019280695869 1.5501e-05 deg
tp 2458389.664455327509
(2018-Sep-28.16445533)
6.2012e-05 TDB
period 1502.034836437227
4.11
1.3722e-05
3.757e-08
d
yr
n .2396748672313801 2.1896e-09 deg/d
Q 3.063346604188641 1.8657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      21741 days (59.52 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:50:26  

Additional Information
 Earth MOID = 1.08225 au 
 Jupiter MOID = 2.29554 au 
 T_jup = 3.401 
[ 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 16.3   n/a MPO417504  

100155 (1993 TG25)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1993 TG25 = 2001 SN188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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