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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105876227929387 3.4788e-08  
a 2.229939084038216 8.4808e-09 au
q 1.983335421761367 7.9399e-08 au
i 5.790815690120322 4.0908e-06 deg
node 50.15905079028006 4.0706e-05 deg
peri 22.97487210970651 4.686e-05 deg
M 327.3675059196681 2.5402e-05 deg
tp 2459110.751801160853
(2020-Sep-18.25180116)
8.6208e-05 TDB
period 1216.292212302252
3.33
6.9386e-06
1.9e-08
d
yr
n .2959815053971084 1.6885e-09 deg/d
Q 2.476542746315066 9.4186e-09 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7860 days (21.52 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56694  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:55:58  

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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