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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354794685111011 4.4704e-08  
a 2.224890318170056 9.4176e-09 au
q 1.923463360368882 1.0041e-07 au
i .6520999502495051 4.4704e-06 deg
node 120.764624583189 0.00064787 deg
peri 139.4884493160916 0.00064842 deg
M 67.12193605835117 2.7663e-05 deg
tp 2458374.492261268109
(2018-Sep-12.99226127)
9.3021e-05 TDB
period 1212.163872519255
3.32
7.6964e-06
2.107e-08
d
yr
n .2969895475038432 1.8857e-09 deg/d
Q 2.52631727597123 1.0694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8365 days (22.90 yr)  
   first obs. used      1996-12-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:05:34  

Additional Information
 Earth MOID = .907776 au 
 Jupiter MOID = 2.52361 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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