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91056 (1998 FG49)
Classification: Main-belt Asteroid          SPK-ID: 2091056
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362438880713334 5.0349e-08  
a 2.815514378798952 1.9997e-08 au
q 2.431917752910638 1.4103e-07 au
i 13.11816163368989 6.0185e-06 deg
node 358.0207538243072 2.2296e-05 deg
peri 296.5382977217212 3.022e-05 deg
M 155.7680063397834 2.1968e-05 deg
tp 2458253.860757900993
(2018-May-15.36075790)
0.00010355 TDB
period 1725.579812386628
4.72
1.8384e-05
5.033e-08
d
yr
n .2086255283098661 2.2226e-09 deg/d
Q 3.199111004687266 2.2722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7984 days (21.86 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:43  

Additional Information
 Earth MOID = 1.44986 au 
 Jupiter MOID = 2.19211 au 
 T_jup = 3.268 
[ 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 15.0   n/a MPO453349  

91056 (1998 FG49)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FG49 = 2003 FU20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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