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JPL Small-Body Database Browser
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183983 (2004 EH44)
Classification: Main-belt Asteroid          SPK-ID: 2183983
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381904308056441 5.1779e-08  
a 2.55248266791406 2.034e-08 au
q 2.199753988411076 1.3287e-07 au
i .8134983823150427 6.5982e-06 deg
node 201.7594144874057 0.00041673 deg
peri 120.3376644709808 0.00041779 deg
M 111.7380031063999 3.2869e-05 deg
tp 2458138.181753229446
(2018-Jan-19.68175323)
0.00013595 TDB
period 1489.507277832019
4.08
1.7804e-05
4.874e-08
d
yr
n .2416906619778191 2.8889e-09 deg/d
Q 2.905211347417044 2.315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      9294 days (25.45 yr)  
   first obs. used      1993-08-14  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:23:02  

Additional Information
 Earth MOID = 1.18645 au 
 Jupiter MOID = 2.38555 au 
 T_jup = 3.426 
[ 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 16.5   n/a MPO320862  

183983 (2004 EH44)          Discovered 2004-Mar-14 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2004 EH44 = 2001 QS332 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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