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JPL Small-Body Database Browser
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136878 (1998 FD122)
Classification: Main-belt Asteroid          SPK-ID: 2136878
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493709323360786 9.88e-08  
a 2.318242089827765 1.064e-08 au
q 1.971964107489453 2.3318e-07 au
i .8734520193754187 5.4167e-06 deg
node 128.6180120056644 0.00040012 deg
peri 52.21798353824927 0.00040035 deg
M 108.839461985549 1.5287e-05 deg
tp 2458610.719155434165
(2019-May-07.21915543)
5.3785e-05 TDB
period 1289.248416739984
3.53
8.8763e-06
2.43e-08
d
yr
n .2792324546035141 1.9225e-09 deg/d
Q 2.664520072166078 1.223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:19:19  

Additional Information
 Earth MOID = .97508 au 
 Jupiter MOID = 2.29376 au 
 T_jup = 3.564 
[ 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 16.9   n/a MPO469440  

136878 (1998 FD122)          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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