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357407 (2003 WN12)
Classification: Main-belt Asteroid          SPK-ID: 2357407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867702036988616 4.011e-08  
a 2.569615935267636 4.146e-08 au
q 2.089688243609859 1.0341e-07 au
i 27.33175742214406 1.9705e-05 deg
node 346.5518951176815 1.8178e-05 deg
peri 116.091925990695 9.772e-05 deg
M 245.5246793792715 9.4877e-05 deg
tp 2459078.920873812882
(2020-Aug-17.42087381)
0.00040626 TDB
period 1504.529654415757
4.12
3.6413e-05
9.969e-08
d
yr
n .2392774372664633 5.791e-09 deg/d
Q 3.049543626925413 4.9203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7250 days (19.85 yr)  
   first obs. used      1999-12-19  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:07:47  

Additional Information
 Earth MOID = 1.20847 au 
 Jupiter MOID = 2.21365 au 
 T_jup = 3.252 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO455580  
diameter diameter 5.367 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357407 (2003 WN12)          Discovered 2003-Nov-16 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2003 WN12 = 1999 YB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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