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120217 (2004 FL)
Classification: Inner Main-belt Asteroid          SPK-ID: 2120217
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08910585290654528 4.4206e-08  
a 1.934709408844223 6.5991e-09 au
q 1.76231547684284 8.6282e-08 au
i 21.43595212266871 5.2472e-06 deg
node 190.8515483262293 8.4657e-06 deg
peri 170.9258607594101 2.1246e-05 deg
M 249.4412705194406 2.2472e-05 deg
tp 2459502.364874620510
(2021-Oct-14.86487462)
6.2249e-05 TDB
period 982.9287598903917
2.69
5.029e-06
1.377e-08
d
yr
n .3662523823599834 1.8739e-09 deg/d
Q 2.107103340845605 7.1871e-09 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-06-12  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:27  

Additional Information
 Earth MOID = .761247 au 
 Jupiter MOID = 3.18697 au 
 T_jup = 3.820 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456779.5 (2014-May-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08879965794939736 4.4225e-08  
q 1.763199996429712 8.6273e-08 au
tp 2456552.908621366578
(2013-Sep-17.40862137)
5.492e-05 TDB
node 190.8926830248141 8.4662e-06 deg
peri 170.8192310201328 2.1294e-05 deg
i 21.43354731055122 5.2471e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-06-12  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:27  

Additional Information
 Jupiter MOID = 3.18697 au 
 T_jup = 3.820 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.955872517766265E-15 -3.806214101663978E-15 5.467978388294717E-14 -7.204116327332835E-15 1.27030768328148E-14 3.491040963596182E-15
q -3.806214101663978E-15 7.44307104113422E-15 2.26276848995906E-14 1.366166880073525E-14 2.165848785536194E-14 -6.104920503558939E-15
tp 5.467978388294717E-14 2.26276848995906E-14 3.016244166912902E-9 -7.660115098755445E-12 1.07800898901336E-9 8.271102693097476E-12
node -7.204116327332835E-15 1.366166880073525E-14 -7.660115098755445E-12 7.16764658518216E-11 -6.870015009651414E-11 -6.976970184614252E-12
peri 1.27030768328148E-14 2.165848785536194E-14 1.07800898901336E-9 -6.870015009651414E-11 4.534278610374593E-10 9.308804058755817E-12
i 3.491040963596182E-15 -6.104920503558939E-15 8.271102693097476E-12 -6.976970184614252E-12 9.308804058755817E-12 2.753243063560263E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.16   n/a E2021B55  

120217 (2004 FL)          Discovered 2004-Mar-16 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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