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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06508104790838501 3.9647e-08  
a 2.465809964126733 1.2692e-08 au
q 2.305332467718428 9.9635e-08 au
i 6.13223068576637 4.9318e-06 deg
node 14.07762179701856 3.7467e-05 deg
peri 244.3776280400944 5.3848e-05 deg
M 98.05714766178868 4.1697e-05 deg
tp 2458215.274890749565
(2018-Apr-06.77489075)
0.00016267 TDB
period 1414.287919208957
3.87
1.0919e-05
2.989e-08
d
yr
n .254545057700384 1.9653e-09 deg/d
Q 2.626287460535038 1.3518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7923 days (21.69 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:17:57  

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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