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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938183357548332 8.468e-08  
a 2.68755875291898 1.9782e-08 AU
q 2.166660588184888 2.3116e-07 AU
i 12.72858758932431 1.0233e-05 deg
node 332.9905473292669 2.5152e-05 deg
peri 41.7243854320874 3.5415e-05 deg
M 161.4213708782458 2.2812e-05 deg
tp 2456278.904347288918
(2012-Dec-17.40434729)
9.9459e-05 JED
period 1609.293946412633
4.41
1.7768e-05
4.865e-08
d
yr
n .2237005867091565 2.4698e-09 deg/d
Q 3.208456917653071 2.3616e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      16984 days (46.50 yr)  
   first obs. used      1968-08-27  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53167  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:07:35  

Additional Information
 Earth MOID = 1.18274 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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