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JPL Small-Body Database Browser
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300802 (2007 WJ)
Classification: Main-belt Asteroid          SPK-ID: 2300802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847471103049475 8.6587e-08  
a 2.571316533601748 2.1418e-08 au
q 2.096273234339491 2.3439e-07 au
i 1.367461969045656 6.8518e-06 deg
node 1.219205459217929 0.00015451 deg
peri 11.92443257739312 0.00015543 deg
M 310.767542433529 1.1905e-05 deg
tp 2458806.458990690158
(2019-Nov-18.95899069)
4.9357e-05 TDB
period 1506.023471372519
4.12
1.8817e-05
5.152e-08
d
yr
n .2390400992037083 2.9866e-09 deg/d
Q 3.046359832864006 2.5375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      9663 days (26.46 yr)  
   first obs. used      1993-04-21  
   last obs. used      2019-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53908  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:22:10  

Additional Information
 Earth MOID = 1.09595 au 
 Jupiter MOID = 2.41601 au 
 T_jup = 3.405 
[ 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 17.0   n/a MPO348835  

300802 (2007 WJ)          Discovered 2007-Nov-17 by BATTeRS at Bisei SG Center
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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