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447755 (2007 JX2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2447755
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 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5267011881430622 4.739e-08  
a 1.707976013568522 1.0273e-08 au
q .8083830179021304 7.7819e-08 au
i 4.221109704916185 1.2478e-05 deg
node 44.4392711609992 5.0153e-05 deg
peri 87.75950212860155 5.9528e-05 deg
M 334.1679753095619 3.4429e-05 deg
tp 2459059.002850081248
(2020-Jul-28.50285008)
7.8479e-05 TDB
period 815.3068248283798
2.23
7.3556e-06
2.014e-08
d
yr
n .4415515595319335 3.9836e-09 deg/d
Q 2.607569009234913 1.5683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      3308 days (9.06 yr)  
   first obs. used      2007-05-09  
   last obs. used      2016-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56632  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:18  

Additional Information
 Earth MOID = .0318658 au 
 Jupiter MOID = 2.46583 au 
 T_jup = 4.018 
[ 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 19.7   n/a MPO382632  

447755 (2007 JX2)          Discovered 2007-May-09 by CSS at Catalina
Reference: Last Updated: 2015-10-28

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