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100825 (1998 FW145)
Classification: Main-belt Asteroid          SPK-ID: 2100825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042660465343668 5.8318e-08  
a 2.315321835014581 1.6852e-08 au
q 1.842380197321457 1.4089e-07 au
i 5.350290850794677 6.0023e-06 deg
node 74.03436876604604 7.8253e-05 deg
peri 161.343879513022 8.0739e-05 deg
M 68.8335496795827 2.5098e-05 deg
tp 2458754.455793358281
(2019-Sep-27.95579336)
8.8024e-05 TDB
period 1286.813113711787
3.52
1.4049e-05
3.846e-08
d
yr
n .2797609040224862 3.0544e-09 deg/d
Q 2.788263472707705 2.0295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7715 days (21.12 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:34:52  

Additional Information
 Earth MOID = .831627 au 
 Jupiter MOID = 2.21481 au 
 T_jup = 3.548 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO474882  

100825 (1998 FW145)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 FW145 = 2002 KG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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