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85602 (1998 FE122)
Classification: Main-belt Asteroid          SPK-ID: 2085602
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06508104982795729 3.9574e-08  
a 2.465809962764225 1.259e-08 au
q 2.305332461711293 9.9359e-08 au
i 6.132231140212622 4.8901e-06 deg
node 14.07761839609645 3.7163e-05 deg
peri 244.3776343996041 5.3526e-05 deg
M 98.05714534287749 4.1614e-05 deg
tp 2458215.274900178877
(2018-Apr-06.77490018)
0.00016232 TDB
period 1414.287918036739
3.87
1.0832e-05
2.966e-08
d
yr
n .2545450579113611 1.9495e-09 deg/d
Q 2.626287463817157 1.341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      7929 days (21.71 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:02:53  

Additional Information
 Earth MOID = 1.29835 au 
 Jupiter MOID = 2.40372 au 
 T_jup = 3.476 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456956.5 (2014-Oct-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06548344566886682 3.927e-08  
q 2.304801615619863 9.8612e-08 au
tp 2456803.991552045117
(2014-May-26.49155205)
0.00015858 TDB
node 14.09601081653945 3.7139e-05 deg
peri 245.2187568384195 5.3529e-05 deg
i 6.134683407965773 4.8903e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      7929 days (21.71 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:02:53  

Additional Information
 Jupiter MOID = 2.40372 au 
 T_jup = 3.476 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.542118033101105E-15 -3.844995385566438E-15 -1.349112158603476E-12 -4.163889955943526E-15 -3.489615569515486E-13 -6.264041000032816E-16
q -3.844995385566438E-15 9.724360163048507E-15 3.927965103698832E-12 1.207991374397057E-14 1.008976218801036E-12 1.939863129700009E-15
tp -1.349112158603476E-12 3.927965103698832E-12 2.51473378777243E-8 7.79980859088964E-11 6.12703583276253E-9 3.182194063861056E-12
node -4.163889955943526E-15 1.207991374397057E-14 7.79980859088964E-11 1.37933817296456E-9 -1.351929819216514E-9 3.174113640358835E-11
peri -3.489615569515486E-13 1.008976218801036E-12 6.12703583276253E-9 -1.351929819216514E-9 2.865374945115455E-9 -3.074309988109973E-11
i -6.264041000032816E-16 1.939863129700009E-15 3.182194063861056E-12 3.174113640358835E-11 -3.074309988109973E-11 2.391465382770539E-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 15.6   n/a MPO453286  

85602 (1998 FE122)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 FE122 = 2002 GK19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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