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JPL Small-Body Database Browser
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245215 (2004 WW9)
Classification: Mars-crossing Asteroid          SPK-ID: 2245215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3005434697232244 6.8083e-08  
a 2.306797299709949 1.667e-08 au
q 1.613504435306957 1.5526e-07 au
i 24.12303869760683 8.0333e-06 deg
node 58.79022211152267 1.6157e-05 deg
peri 313.9493686738121 1.8721e-05 deg
M 160.0217002110656 1.4262e-05 deg
tp 2458431.661532047468
(2018-Nov-09.16153205)
4.7268e-05 TDB
period 1279.712990130765
3.50
1.3872e-05
3.798e-08
d
yr
n .2813130778356905 3.0493e-09 deg/d
Q 3.000090164112942 2.168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2001-12-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:41:14  

Additional Information
 Earth MOID = .682771 au 
 Jupiter MOID = 2.59579 au 
 T_jup = 3.415 
[ 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 16.1   n/a MPO401856  

245215 (2004 WW9)          Discovered 2004-Nov-16 by Siding Spring Survey at Siding Spring
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2004 WW9 = 2004 QY24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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