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JPL Small-Body Database Browser
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136870 (1998 FC55)
Classification: Main-belt Asteroid          SPK-ID: 2136870
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135301039384683 4.405e-08  
a 2.225402169058649 8.8914e-09 au
q 1.924302942536086 9.8493e-08 au
i .6521003733644812 4.0545e-06 deg
node 120.7633217352292 0.00063318 deg
peri 139.5811721408995 0.00063372 deg
M 185.8033681836818 2.7283e-05 deg
tp 2459587.243706596097
(2022-Jan-07.74370660)
9.2642e-05 TDB
period 1212.582196177733
3.32
7.2672e-06
1.99e-08
d
yr
n .2968870903224389 1.7793e-09 deg/d
Q 2.526501395581212 1.0094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8452 days (23.14 yr)  
   first obs. used      1996-12-05  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:51  

Additional Information
 Earth MOID = .908955 au 
 Jupiter MOID = 2.52368 au 
 T_jup = 3.634 
[ 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 16.6   n/a MPO245104  

136870 (1998 FC55)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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