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7177 (1990 TF)
Classification: Main-belt Asteroid          SPK-ID: 2007177
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940676253544743 8.2275e-08  
a 2.687183082908281 1.9681e-08 au
q 2.165687843115555 2.2517e-07 au
i 12.72855342102063 9.8878e-06 deg
node 332.988374534535 2.4945e-05 deg
peri 41.66703727240454 3.4119e-05 deg
M 251.0056893641575 2.2203e-05 deg
tp 2457887.630856539071
(2017-May-14.13085654)
0.00010168 JED
period 1608.95653480464
4.41
1.7676e-05
4.839e-08
d
yr
n .2237474985884012 2.4581e-09 deg/d
Q 3.208678322701006 2.3501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      17042 days (46.66 yr)  
   first obs. used      1968-08-27  
   last obs. used      2015-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53389  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:57:26  

Additional Information
 Earth MOID = 1.17992 au 
 Jupiter MOID = 2.31596 au 
 T_jup = 3.312 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO302109  

7177 (1990 TF)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 TF = 1968 QS 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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