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305498 (2008 EU74)
Classification: Main-belt Asteroid          SPK-ID: 2305498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06073084822027867 5.4028e-08  
a 3.028724667101681 3.637e-08 au
q 2.844787649042915 1.6297e-07 au
i 8.849167762860677 7.07e-06 deg
node 17.16122506854806 3.7622e-05 deg
peri 97.57464195015901 7.7712e-05 deg
M 175.6781246881077 6.8859e-05 deg
tp 2458060.985894365671
(2017-Nov-03.48589437)
0.00036139 TDB
period 1925.254374321392
5.27
3.4678e-05
9.494e-08
d
yr
n .186988277913609 3.3681e-09 deg/d
Q 3.212661685160448 3.8578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:22:46  

Additional Information
 Earth MOID = 1.87843 au 
 Jupiter MOID = 1.85594 au 
 T_jup = 3.223 
[ 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 15.9   n/a MPO397065  

305498 (2008 EU74)          Discovered 2008-Mar-07 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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