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66671 Sfasu (1999 TJ17)
Classification: Main-belt Asteroid          SPK-ID: 2066671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2948555894114474 2.7333e-08  
a 2.385765517487179 8.5399e-09 au
q 1.68230921963099 6.6624e-08 au
i 21.26960764866341 4.4074e-06 deg
node 197.4236090416215 9.6643e-06 deg
peri 291.508966970036 1.2276e-05 deg
M 118.6428825193653 7.4954e-06 deg
tp 2458556.912548911114
(2019-Mar-14.41254891)
2.7572e-05 TDB
period 1345.984512521713
3.69
7.227e-06
1.979e-08
d
yr
n .267462215687413 1.4361e-09 deg/d
Q 3.089221815343368 1.1058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      9123 days (24.98 yr)  
   first obs. used      1994-06-01  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:00:50  

Additional Information
 Earth MOID = .799493 au 
 Jupiter MOID = 2.26721 au 
 T_jup = 3.387 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO426390  
diameter diameter 3.554 km 0.689 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.243   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

66671 Sfasu           Discovered 1999 Oct. 15 by W. D. Bruton and M. L. Johnson at Nacogdoches.
The mission of Texas' Stephen F. Austin State University is to provide students with a foundation for success and a passion for learning. together with a commitment to responsible global citizenship in a community dedicated to teaching, research, creativity and service.
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Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

Alternate Designations
 1999 TJ17 = 1994 LN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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