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300824 (2007 XR3)
Classification: Main-belt Asteroid          SPK-ID: 2300824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .2929061509356062 5.1429e-08  
a 2.643099308349317 2.8418e-08 au
q 1.868919263400156 1.4436e-07 au
i 11.03192177965917 6.0379e-06 deg
node 271.5506470430424 3.6222e-05 deg
peri 133.8834608696698 4.0454e-05 deg
M 351.667166257899 2.3025e-05 deg
tp 2459036.829453467891
(2020-Jul-06.32945347)
0.00010088 TDB
period 1569.526484413329
4.30
2.5313e-05
6.93e-08
d
yr
n .2293685411333239 3.6992e-09 deg/d
Q 3.417279353298478 3.6742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:40:15  

Additional Information
 Earth MOID = .89787 au 
 Jupiter MOID = 2.05585 au 
 T_jup = 3.306 
[ 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 MPO455219  

300824 (2007 XR3)          Discovered 2007-Dec-03 by Yeung, W. K. Y. at 7300
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

Alternate Designations
 2007 XR3 = 1998 QO78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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