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58508 (1996 WA2)
Classification: Main-belt Asteroid          SPK-ID: 2058508
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001338050013139 5.5219e-08  
a 2.686044788248461 1.5911e-08 au
q 2.417080903197195 1.4785e-07 au
i 15.91705330047007 5.2345e-06 deg
node 63.18218656195449 1.535e-05 deg
peri 340.1145573376408 2.6465e-05 deg
M 133.1049244478447 2.123e-05 deg
tp 2458405.988959273170
(2018-Oct-14.48895927)		 9.4423e-05 TDB
period 1607.934308587666
4.40		 1.4287e-05
3.912e-08		 d
yr
n .2238897435531474 1.9893e-09 deg/d
Q 2.955008673299728 1.7504e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1996-11-30  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:51  

Additional Information
 Earth MOID = 1.43253 au 
 Jupiter MOID = 2.42033 au 
 T_jup = 3.312 
[ 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 14.9   n/a MPO468485  
diameter diameter 2.485 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58508 (1996 WA2)          Discovered 1996-Nov-30 by Lai, L. at Dossobuono
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 WA2 = 2000 SD6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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