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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042571289854024 4.1963e-08  
a 2.31474162253054 1.1573e-08 au
q 1.84193914436944 9.6237e-08 au
i 5.350308291194779 3.8591e-06 deg
node 74.02973451820677 7.4175e-05 deg
peri 161.2760517287462 7.682e-05 deg
M 124.8806298588627 2.277e-05 deg
tp 2458754.284360301529
(2019-Sep-27.78436030)
7.9537e-05 TDB
period 1286.329436943091
3.52
9.6468e-06
2.641e-08
d
yr
n .27986609779803 2.0988e-09 deg/d
Q 2.78754410069164 1.3937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      8324 days (22.79 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:17  

Additional Information
 Earth MOID = .829843 au 
 Jupiter MOID = 2.21426 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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