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100801 (1998 FW90)
Classification: Main-belt Asteroid          SPK-ID: 2100801
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105876394717747 3.4784e-08  
a 2.229939086089645 8.4647e-09 au
q 1.983335386393144 7.9381e-08 au
i 5.790815802374171 4.0907e-06 deg
node 50.15904508064596 4.0684e-05 deg
peri 22.97488999642389 4.682e-05 deg
M 327.3674946655349 2.5345e-05 deg
tp 2459110.751839336088
(2020-Sep-18.25183934)
8.6012e-05 TDB
period 1216.292213980641
3.33
6.9254e-06
1.896e-08
d
yr
n .2959815049886769 1.6853e-09 deg/d
Q 2.476542785786145 9.4008e-09 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      8163 days (22.35 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:01  

Additional Information
 Earth MOID = .99922 au 
 Jupiter MOID = 2.74951 au 
 T_jup = 3.628 
[ 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 15.6   n/a MPO337987  

100801 (1998 FW90)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 FW90 = 2000 WT87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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