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91053 (1998 FE42)
Classification: Main-belt Asteroid          SPK-ID: 2091053
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09691251875360271 5.7641e-08  
a 2.744536053891295 2.2751e-08 au
q 2.478556152098616 1.6379e-07 au
i 4.104547268534469 5.3475e-06 deg
node 232.5010379380219 7.503e-05 deg
peri 328.6727135430386 7.901e-05 deg
M 299.4880495708511 2.6785e-05 deg
tp 2459279.651835604565
(2021-Mar-06.15183560)
0.00012493 TDB
period 1660.740731457808
4.55
2.065e-05
5.654e-08
d
yr
n .216770741622017 2.6954e-09 deg/d
Q 3.010515955683973 2.4956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:29  

Additional Information
 Earth MOID = 1.47637 au 
 Jupiter MOID = 1.96018 au 
 T_jup = 3.338 
[ 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 15.4   n/a MPO453349  

91053 (1998 FE42)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FE42 = 1998 FH149 = 2001 XQ190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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