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91658 (1999 TX104)
Classification: Main-belt Asteroid          SPK-ID: 2091658
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03576080012900204 3.9266e-08  
a 2.993313593009812 2.0127e-08 au
q 2.886270303886763 1.138e-07 au
i 11.22815486793459 7.2853e-06 deg
node 7.538436290055859 2.6868e-05 deg
peri 223.8665790517165 0.00011589 deg
M 142.8774423448166 0.00011248 deg
tp 2458249.762827756778
(2018-May-11.26282776)
0.00059119 TDB
period 1891.588886055987
5.18
1.9078e-05
5.223e-08
d
yr
n .1903161953708713 1.9195e-09 deg/d
Q 3.100356882132861 2.0847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      7350 days (20.12 yr)  
   first obs. used      1999-09-18  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:48:57  

Additional Information
 Earth MOID = 1.88898 au 
 Jupiter MOID = 1.88591 au 
 T_jup = 3.225 
[ 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 14.2   n/a MPO436412  

91658 (1999 TX104)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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