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136857 (1998 FD7)
Classification: Main-belt Asteroid          SPK-ID: 2136857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400583870939985 5.1054e-08  
a 3.015268747653517 2.2687e-08 au
q 2.592955070202225 1.5211e-07 au
i 2.086946934903233 6.1997e-06 deg
node 15.42363579132423 0.00016217 deg
peri 141.4100538751791 0.00016377 deg
M 96.654584327815 2.2599e-05 deg
tp 2458487.039046277298
(2019-Jan-03.53904628)
0.00011845 TDB
period 1912.43844899531
5.24
2.1584e-05
5.909e-08
d
yr
n .1882413523892098 2.1245e-09 deg/d
Q 3.437582425104809 2.5865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9519 days (26.06 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53499  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:30:03  

Additional Information
 Earth MOID = 1.60283 au 
 Jupiter MOID = 1.54857 au 
 T_jup = 3.232 
[ 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 15.6   n/a MPO299760  

136857 (1998 FD7)          Discovered 1998-Mar-20 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 FD7 = 1993 FC47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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