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90522 (2004 EA74)
Classification: Main-belt Asteroid          SPK-ID: 2090522
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605177848126509 4.792e-08  
a 3.120853776375731 2.5111e-08 au
q 2.619901241467703 1.5177e-07 au
i 23.95440732594139 5.6046e-06 deg
node 108.0851621807649 1.2099e-05 deg
peri 182.2091395890527 1.9582e-05 deg
M 346.4256974189615 1.726e-05 deg
tp 2459472.431780398038
(2021-Sep-14.93178040)
9.6888e-05 TDB
period 2013.763932261079
5.51
2.4305e-05
6.654e-08
d
yr
n .1787697128907197 2.1576e-09 deg/d
Q 3.62180631128376 2.9142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      8974 days (24.57 yr)  
   first obs. used      1996-12-11  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:23  

Additional Information
 Earth MOID = 1.60335 au 
 Jupiter MOID = 1.58693 au 
 T_jup = 3.064 
[ 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 14.24   n/a MPO637232  

90522 (2004 EA74)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2004 EA74 = 2003 EY36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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