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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385060600370902 5.152e-08  
a 2.5518911157702 1.8288e-08 au
q 2.198438731681216 1.3273e-07 au
i .8135288597957445 5.113e-06 deg
node 201.7490556289979 0.00037922 deg
peri 120.3830273812879 0.00038001 deg
M 208.3741759318197 2.9791e-05 deg
tp 2459627.636835498318
(2022-Feb-17.13683550)
0.00012545 TDB
period 1488.989505362059
4.08
1.6006e-05
4.382e-08
d
yr
n .2417747060698479 2.599e-09 deg/d
Q 2.905343499859185 2.0821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9667 days (26.47 yr)  
   first obs. used      1993-08-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:44:46  

Additional Information
 Earth MOID = 1.18601 au 
 Jupiter MOID = 2.38793 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 16.6   n/a MPO469983  

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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