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15725 (1990 TX4)
Classification: Main-belt Asteroid          SPK-ID: 2015725
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .149793678400808 3.3601e-08  
a 2.974271169028962 1.5595e-08 au
q 2.528744150058643 1.0674e-07 au
i 8.236455284705881 4.5995e-06 deg
node 212.495110517181 2.3697e-05 deg
peri 91.07968846262823 2.9397e-05 deg
M 313.363388790489 1.593e-05 deg
tp 2459243.213399710065
(2021-Jan-28.71339971)		 8.2982e-05 TDB
period 1873.567174576437
5.13		 1.4736e-05
4.034e-08		 d
yr
n .1921468335296738 1.5112e-09 deg/d
Q 3.419798187999282 1.7931e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1497  
   data-arc span      23631 days (64.70 yr)  
   first obs. used      1955-11-19  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:01:38  

Additional Information
 Earth MOID = 1.53086 au 
 Jupiter MOID = 1.87499 au 
 T_jup = 3.229 
[ 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 13.6   n/a MPO473978  
diameter diameter 12.380 km 1.919 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15725 (1990 TX4)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1990 TX4 = 1980 TQ7 = 1998 BO10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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