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JPL Small-Body Database Browser
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100820 (1998 FM139)
Classification: Main-belt Asteroid          SPK-ID: 2100820
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08258004573278882 5.0266e-08  
a 2.365967420440903 1.1516e-08 au
q 2.170585722658605 1.1829e-07 au
i 5.453621614519388 6.2516e-06 deg
node 359.8815104762463 4.4179e-05 deg
peri 202.3560068223999 5.4563e-05 deg
M 23.44204376715099 3.2954e-05 deg
tp 2458913.942533038416
(2020-Mar-05.44253304)		 0.0001216 TDB
period 1329.264991384208
3.64		 9.7047e-06
2.657e-08		 d
yr
n .2708263606830719 1.9773e-09 deg/d
Q 2.561349118223201 1.2467e-08 au
   Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1992-10-03  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:11:33  

Additional Information
 Earth MOID = 1.16881 au 
 Jupiter MOID = 2.40131 au 
 T_jup = 3.537 
[ 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 16.0   n/a MPO432535  

100820 (1998 FM139)          Discovered 1998-Mar-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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