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JPL Small-Body Database Browser
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183985 (2004 EK46)
Classification: Main-belt Asteroid          SPK-ID: 2183985
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 .09014878967058521 5.7172e-08  
a 2.457767161320768 2.0389e-08 au
q 2.23620242643559 1.376e-07 au
i 9.057449922425528 4.5755e-06 deg
node 123.1730051900744 4.4952e-05 deg
peri 138.8938379964617 5.5965e-05 deg
M 251.2905615760127 3.4583e-05 deg
tp 2459025.485667844114
(2020-Jun-24.98566784)
0.00013646 TDB
period 1407.374029724746
3.85
1.7513e-05
4.795e-08
d
yr
n .2557955400600996 3.183e-09 deg/d
Q 2.679331896205945 2.2227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6934 days (18.98 yr)  
   first obs. used      2000-02-29  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58067  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:42:37  

Additional Information
 Earth MOID = 1.22826 au 
 Jupiter MOID = 2.41 au 
 T_jup = 3.469 
[ 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 16.3   n/a MPO436909  

183985 (2004 EK46)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2004 EK46 = 2000 DP87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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