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JPL Small-Body Database Browser
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39165 (2000 WW129)
Classification: Main-belt Asteroid          SPK-ID: 2039165
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250543765455922 5.0126e-08  
a 2.461023602611044 1.145e-08 au
q 2.153261830322532 1.2225e-07 au
i 1.47972609018408 5.541e-06 deg
node 10.16646496339208 0.00013024 deg
peri 204.6912799882564 0.00013114 deg
M 125.8110536396989 1.8514e-05 deg
tp 2458107.679921154669
(2017-Dec-20.17992115)
7.0261e-05 TDB
period 1410.172025841272
3.86
9.8414e-06
2.694e-08
d
yr
n .2552880027422423 1.7816e-09 deg/d
Q 2.768785374899555 1.2882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      7944 days (21.75 yr)  
   first obs. used      1998-03-01  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:08:28  

Additional Information
 Earth MOID = 1.14684 au 
 Jupiter MOID = 2.20001 au 
 T_jup = 3.479 
[ 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 15.1   n/a MPO452713  
diameter diameter 2.231 km 0.359 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.355   0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

39165 (2000 WW129)          Discovered 2000-Nov-19 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WW129 = 1998 EB20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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