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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938183394442857 8.3935e-08  
a 2.687558753113912 1.9778e-08 AU
q 2.166660578426419 2.2923e-07 AU
i 12.72858653404931 1.0146e-05 deg
node 332.9905487356137 2.5089e-05 deg
peri 41.72438259822588 3.5056e-05 deg
M 161.4213720074401 2.2538e-05 deg
tp 2456278.904342162617
(2012-Dec-17.40434216)
9.8176e-05 JED
period 1609.29394658772
4.41
1.7765e-05
4.864e-08
d
yr
n .2237005866848185 2.4694e-09 deg/d
Q 3.208456927801406 2.3611e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      17013 days (46.58 yr)  
   first obs. used      1968-08-27  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:27:33  

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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