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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869064173555948 4.0024e-08  
a 2.570214865092009 4.1595e-08 au
q 2.089825212823568 1.0346e-07 au
i 27.3297250008214 1.9702e-05 deg
node 346.5477339586539 1.8179e-05 deg
peri 116.0325854053462 9.7624e-05 deg
M 341.2933018789423 9.6729e-05 deg
tp 2459078.707285202446
(2020-Aug-17.20728520)
0.000406 TDB
period 1505.055702010155
4.12
3.6536e-05
1e-07
d
yr
n .2391938049330556 5.8065e-09 deg/d
Q 3.050604517360449 4.937e-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 = 1.20842 au 
 Jupiter MOID = 2.21181 au 
 T_jup = 3.251 
[ 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 15.9   n/a MPO494858  
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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