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344830 (2004 FE18)
Classification: Main-belt Asteroid          SPK-ID: 2344830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08721710131192219 5.757e-08  
a 2.194278951866777 1.3563e-08 au
q 2.002900302215194 1.3212e-07 au
i 2.33037324836359 5.7168e-06 deg
node 194.5188064537836 0.00013131 deg
peri 4.265634046116369 0.00013651 deg
M 345.0884134242755 3.5704e-05 deg
tp 2459049.676491001165
(2020-Jul-19.17649100)
0.00011778 TDB
period 1187.23360995268
3.25
1.1008e-05
3.014e-08
d
yr
n .3032259169400945 2.8114e-09 deg/d
Q 2.385657601518361 1.4746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      5867 days (16.06 yr)  
   first obs. used      2004-03-25  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:27:35  

Additional Information
 Earth MOID = 1.00039 au 
 Jupiter MOID = 2.57073 au 
 T_jup = 3.664 
[ 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 18.0   n/a MPO455509  

344830 (2004 FE18)          Discovered 2004-Mar-25 by Young, J. W. at Wrightwood
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2004 FE18 = 2007 EP82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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