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JPL Small-Body Database Browser
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39121 (2000 WY40)
Classification: Main-belt Asteroid          SPK-ID: 2039121
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503978567071365 3.0894e-08  
a 2.433437015387208 1.1386e-08 au
q 2.067453303841161 7.4904e-08 au
i 6.110175586658129 4.6384e-06 deg
node 208.2090862467236 3.5839e-05 deg
peri 129.5099148599114 3.9692e-05 deg
M 38.2619787619269 1.8672e-05 deg
tp 2458453.135282041188
(2018-Nov-30.63528204)
7.1429e-05 TDB
period 1386.527832114151
3.80
9.7314e-06
2.664e-08
d
yr
n .2596413801885815 1.8223e-09 deg/d
Q 2.799420726933256 1.3099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1385  
   data-arc span      10429 days (28.55 yr)  
   first obs. used      1991-05-12  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:08:28  

Additional Information
 Earth MOID = 1.06429 au 
 Jupiter MOID = 2.59947 au 
 T_jup = 3.483 
[ 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 14.5   n/a MPO452712  
diameter diameter 3.318 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39121 (2000 WY40)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WY40 = 1998 FB25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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