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JPL Small-Body Database Browser
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452466 (2003 WM16)
Classification: Outer Main-belt Asteroid          SPK-ID: 2452466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486566875047447 9.5576e-08  
a 3.257489040099967 5.8218e-08 au
q 2.773241509815695 2.9312e-07 au
i 9.451563471070591 9.6089e-06 deg
node 217.7887972837171 5.1061e-05 deg
peri 199.0557645843226 6.3939e-05 deg
M 217.9345663987718 3.6402e-05 deg
tp 2459447.939673756184
(2021-Aug-21.43967376)
0.0002255 TDB
period 2147.449064975004
5.88
5.7569e-05
1.576e-07
d
yr
n .1676407631136016 4.4942e-09 deg/d
Q 3.741736570384238 6.6873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      5341 days (14.62 yr)  
   first obs. used      2003-10-22  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55956  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:21:54  

Additional Information
 Earth MOID = 1.78639 au 
 Jupiter MOID = 1.64334 au 
 T_jup = 3.141 
[ 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 15.9   n/a MPO456154  
diameter diameter 3.804 km 1.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

452466 (2003 WM16)          Discovered 2003-Nov-18 by NEAT at Palomar
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Alternate Designations
 2003 WM16 = 2009 SA139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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