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91708 (1999 TF147)
Classification: Main-belt Asteroid          SPK-ID: 2091708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04665824511041044 3.691e-08  
a 2.909868075024756 1.9541e-08 au
q 2.774098737141292 1.0391e-07 au
i 3.336787626690258 3.5931e-06 deg
node 99.9430563080403 9.0778e-05 deg
peri 162.5345537929734 0.00010635 deg
M 165.1490953775856 5.6314e-05 deg
tp 2458168.770558441494
(2018-Feb-19.27055844)
0.00028256 TDB
period 1813.044136127315
4.96
1.8263e-05
5e-08
d
yr
n .1985610790308528 2.0001e-09 deg/d
Q 3.045637412908219 2.0453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1076  
   data-arc span      7367 days (20.17 yr)  
   first obs. used      1999-10-02  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:36:04  

Additional Information
 Earth MOID = 1.75862 au 
 Jupiter MOID = 1.97618 au 
 T_jup = 3.280 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO502691  

91708 (1999 TF147)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TF147 = 2000 YN56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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