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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150213275528915 3.3558e-08  
a 2.976183458221438 1.5655e-08 au
q 2.529121192387023 1.068e-07 au
i 8.233914303551874 4.5691e-06 deg
node 212.4636809000934 2.3663e-05 deg
peri 90.94023403257404 2.9305e-05 deg
M 351.9289329072449 1.5825e-05 deg
tp 2459242.545200845209
(2021-Jan-28.04520085)
8.2454e-05 TDB
period 1875.374362562552
5.13
1.4797e-05
4.051e-08
d
yr
n .1919616729259795 1.5146e-09 deg/d
Q 3.423245724055854 1.8007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1541  
   data-arc span      23669 days (64.80 yr)  
   first obs. used      1955-11-19  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:06:58  

Additional Information
 Earth MOID = 1.52928 au 
 Jupiter MOID = 1.87047 au 
 T_jup = 3.228 
[ 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 13.61   n/a E2021B10  
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

[ show close-approach data ]
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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