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226709 (2004 OR7)
Classification: Main-belt Asteroid          SPK-ID: 2226709
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849868992061095 3.8717e-08  
a 2.614543053495834 2.0027e-08 au
q 2.130886841188767 9.8058e-08 au
i 4.694121780329949 4.2553e-06 deg
node 121.1858474941709 7.9355e-05 deg
peri 181.223189698568 8.1018e-05 deg
M 268.7615841832671 1.903e-05 deg
tp 2459391.851820703876
(2021-Jun-26.35182070)
8.3577e-05 TDB
period 1544.159378395926
4.23
1.7742e-05
4.857e-08
d
yr
n .2331365563922348 2.6787e-09 deg/d
Q 3.098199265802902 2.3732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      5767 days (15.79 yr)  
   first obs. used      2004-07-08  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:12  

Additional Information
 Earth MOID = 1.11549 au 
 Jupiter MOID = 2.13687 au 
 T_jup = 3.379 
[ 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 16.4   n/a MPO379752  

226709 (2004 OR7)          Discovered 2004-Jul-16 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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