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JPL Small-Body Database Browser
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249118 (2007 WW9)
Classification: Main-belt Asteroid          SPK-ID: 2249118
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816435242159365 1.7105e-07  
a 2.461526673231697 6.498e-08 au
q 2.014406293354361 3.8748e-07 au
i 4.016023947193879 1.5796e-05 deg
node 34.49278521237679 0.00012942 deg
peri 286.0682086184595 0.00015527 deg
M 43.58611533013681 0.00012232 deg
tp 2458429.714534011865
(2018-Nov-07.21453401)
0.00047307 TDB
period 1410.604438822686
3.86
5.5856e-05
1.529e-07
d
yr
n .2552097456183124 1.0106e-08 deg/d
Q 2.908647053109032 7.6783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      4458 days (12.21 yr)  
   first obs. used      2003-09-29  
   last obs. used      2015-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69822  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 18:48:19  

Additional Information
 Earth MOID = 1.00541 au 
 Jupiter MOID = 2.40864 au 
 T_jup = 3.463 
[ 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 17.9   n/a MPO254459  

249118 (2007 WW9)          Discovered 2007-Nov-17 by Healy, D. at Junk Bond
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2007 WW9 = 2003 ST427 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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