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447130 (2004 XJ9)
Classification: Main-belt Asteroid          SPK-ID: 2447130
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2969271287267837 7.0456e-08  
a 3.172394562896475 3.3215e-08 au
q 2.230424554147165 2.2841e-07 au
i 11.86344983063138 9.4788e-06 deg
node 264.4944370880331 3.4945e-05 deg
peri 102.711238081031 3.9073e-05 deg
M 17.85184195810256 1.5096e-05 deg
tp 2459294.156620261049
(2021-Mar-20.65662026)
8.5624e-05 TDB
period 2063.855191665513
5.65
3.2413e-05
8.874e-08
d
yr
n .1744308425580397 2.7394e-09 deg/d
Q 4.114364571645786 4.3077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      8057 days (22.06 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-11-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:00:40  

Additional Information
 Earth MOID = 1.26527 au 
 Jupiter MOID = 1.70371 au 
 T_jup = 3.100 
[ 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 15.76   n/a E2021B25  

447130 (2004 XJ9)          Discovered 2004-Dec-02 by CSS at Catalina
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2004 XJ9 = 2009 PP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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