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JPL Small-Body Database Browser
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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06508104795288804 4.0075e-08  
a 2.46580996407888 1.3279e-08 au
q 2.305332467563953 1.0126e-07 au
i 6.132230928998998 5.1298e-06 deg
node 14.07761961403456 3.9069e-05 deg
peri 244.3776303768211 5.5594e-05 deg
M 98.05714752490043 4.2181e-05 deg
tp 2458215.274891298555
(2018-Apr-06.77489130)
0.00016473 TDB
period 1414.287919167788
3.87
1.1424e-05
3.128e-08
d
yr
n .2545450577077937 2.0561e-09 deg/d
Q 2.626287460593807 1.4143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59762  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:12:47  

Additional Information
 Earth MOID = 1.29835 au 
 Jupiter MOID = 2.40372 au 
 T_jup = 3.476 
[ show covariance matrix ]

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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