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357409 (2003 WN81)
Classification: Main-belt Asteroid          SPK-ID: 2357409
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971598548239668 4.7497e-08  
a 2.601230565650863 3.4325e-08 au
q 2.088372324963474 1.196e-07 au
i 4.761082850702425 1.2323e-05 deg
node 124.8123079854022 8.8348e-05 deg
peri 295.4991295520321 0.00010605 deg
M 342.6415490588661 6.269e-05 deg
tp 2459074.388213350265
(2020-Aug-12.88821335)
0.00026807 TDB
period 1532.380792289636
4.20
3.0331e-05
8.304e-08
d
yr
n .2349285515789448 4.6501e-09 deg/d
Q 3.114088806338252 4.1093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5727 days (15.68 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:46  

Additional Information
 Earth MOID = 1.10644 au 
 Jupiter MOID = 2.23162 au 
 T_jup = 3.382 
[ 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 17.3   n/a MPO476672  

357409 (2003 WN81)          Discovered 2003-Nov-20 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2003 WN81 = 2007 VF268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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