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183998 (2004 EQ74)
Classification: Main-belt Asteroid          SPK-ID: 2183998
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04679863962534448 4.9685e-08  
a 2.65979491866295 1.9034e-08 au
q 2.535320134787121 1.3525e-07 au
i 21.81699952550205 5.9445e-06 deg
node 184.2293719089044 1.3235e-05 deg
peri 258.5113047820009 7.1311e-05 deg
M 8.141746765323456 6.6846e-05 deg
tp 2458964.666787554504
(2020-Apr-25.16678755)
0.00029427 TDB
period 1584.421236892399
4.34
1.7008e-05
4.657e-08
d
yr
n .2272123041635602 2.4389e-09 deg/d
Q 2.784269702538781 1.9925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2000-05-04  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:44:46  

Additional Information
 Earth MOID = 1.60702 au 
 Jupiter MOID = 2.32821 au 
 T_jup = 3.282 
[ 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 MPO502991  

183998 (2004 EQ74)          Discovered 2004-Mar-13 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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