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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193818333466677 9.1633e-08  
a 2.687558752527487 1.9863e-08 AU
q 2.166660594018828 2.4926e-07 AU
i 12.72859160961106 1.0824e-05 deg
node 332.9905442503674 2.594e-05 deg
peri 41.72438993112641 3.8856e-05 deg
M 161.4213697777905 2.5435e-05 deg
tp 2456278.904352365911
(2012-Dec-17.40435237)
0.00011168 JED
period 1609.293946060998
4.41
1.784e-05
4.884e-08
d
yr
n .2237005867580357 2.4799e-09 deg/d
Q 3.208456911036146 2.3712e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      16700 days (45.72 yr)  
   first obs. used      1968-08-27  
   last obs. used      2014-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52949  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:10:00  

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 (413)
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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