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390526 (1996 XW25)
Classification: Main-belt Asteroid          SPK-ID: 2390526
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029025966099763 1.1153e-07  
a 2.230119418104567 1.0356e-08 au
q 1.777622397420821 2.4929e-07 au
i 28.24881439231758 1.0489e-05 deg
node 80.12272591813776 1.151e-05 deg
peri 343.9307392845116 1.7789e-05 deg
M 24.17893466484678 1.3509e-05 deg
tp 2458918.799396108015
(2020-Mar-10.29939611)
4.5388e-05 TDB
period 1216.43975670592
3.33
8.4728e-06
2.32e-08
d
yr
n .2959456052101327 2.0613e-09 deg/d
Q 2.682616438788313 1.2457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8373 days (22.92 yr)  
   first obs. used      1996-12-12  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:33:50  

Additional Information
 Earth MOID = .800062 au 
 Jupiter MOID = 2.63437 au 
 T_jup = 3.463 
[ 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 16.5   n/a MPO450374  
diameter diameter 2.533 km 0.647 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.063   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

390526 (1996 XW25)          Discovered 1996-Dec-12 by Urata, T. at Oohira
Reference: Last Updated: 2014-04-17

Alternate Designations
 1996 XW25 = 2006 WC129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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