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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2946891591524373 2.6853e-08  
a 2.38644765262192 8.2483e-09 au
q 1.683187400509459 6.5343e-08 au
i 21.27139917591605 3.9754e-06 deg
node 197.3317098574364 9.6417e-06 deg
peri 291.6721256595545 1.1808e-05 deg
M 172.0048666370782 7.061e-06 deg
tp 2458557.124483960858
(2019-Mar-14.62448396)
2.5708e-05 TDB
period 1346.561817130372
3.69
6.9812e-06
1.911e-08
d
yr
n .2673475479701245 1.3861e-09 deg/d
Q 3.089707904734381 1.0679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1436  
   data-arc span      9597 days (26.28 yr)  
   first obs. used      1994-06-01  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:07  

Additional Information
 Earth MOID = .799777 au 
 Jupiter MOID = 2.26456 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 14.43   n/a E2021B10  
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.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
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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