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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398408641828318 5.09e-08  
a 3.011501889185797 2.3129e-08 au
q 2.590370862513824 1.5211e-07 au
i 2.088340584530047 6.2041e-06 deg
node 15.4743737866346 0.00016205 deg
peri 140.8606610078573 0.00016367 deg
M 21.76688827683037 2.2463e-05 deg
tp 2458485.083743439321
(2019-Jan-01.58374344)
0.00011875 TDB
period 1908.855865542886
5.23
2.1991e-05
6.021e-08
d
yr
n .1885946479765326 2.1727e-09 deg/d
Q 3.432632915857769 2.6363e-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 = 1.60087 au 
 Jupiter MOID = 1.55587 au 
 T_jup = 3.233 
[ 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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