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266453 (2007 JR30)
Classification: Main-belt Asteroid          SPK-ID: 2266453
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217391668601871 3.6584e-08  
a 3.003366623375241 2.9771e-08 au
q 2.350459741696531 1.0545e-07 au
i 2.379279581388495 4.0543e-06 deg
node 109.7006094822935 0.00013243 deg
peri 168.6987104438183 0.00013295 deg
M 158.5835887516797 1.4971e-05 deg
tp 2458163.034947386569
(2018-Feb-13.53494739)
7.2582e-05 TDB
period 1901.12622191268
5.20
2.8268e-05
7.739e-08
d
yr
n .1893614405243499 2.8156e-09 deg/d
Q 3.656273505053952 3.6243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      4628 days (12.67 yr)  
   first obs. used      2007-04-19  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:23  

Additional Information
 Earth MOID = 1.33407 au 
 Jupiter MOID = 1.48988 au 
 T_jup = 3.214 
[ 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 15.6   n/a MPO454981  

266453 (2007 JR30)          Discovered 2007-May-11 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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