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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497936782425819 3.3596e-08  
a 2.974271168979573 1.5575e-08 au
q 2.528744150487259 1.0673e-07 au
i 8.236455236299662 4.5792e-06 deg
node 212.49511055 2.3676e-05 deg
peri 91.07968842170023 2.9375e-05 deg
M 313.3633888258973 1.5905e-05 deg
tp 2459243.213399519742
(2021-Jan-28.71339952)
8.2842e-05 TDB
period 1873.56717452977
5.13
1.4716e-05
4.029e-08
d
yr
n .1921468335344598 1.5093e-09 deg/d
Q 3.419798187471887 1.7908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1534  
   data-arc span      23669 days (64.80 yr)  
   first obs. used      1955-11-19  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:45  

Additional Information
 Earth MOID = 1.53086 au 
 Jupiter MOID = 1.87499 au 
 T_jup = 3.229 
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Orbital Elements at Epoch 2457232.5 (2015-Jul-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484467358481532 3.3591e-08  
q 2.533342110781121 1.0663e-07 au
tp 2457370.472522719138
(2015-Dec-13.97252272)
8.4537e-05 TDB
node 212.51186655637 2.3671e-05 deg
peri 91.27040286997463 2.9478e-05 deg
i 8.235875310821406 4.5791e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1534  
   data-arc span      23669 days (64.80 yr)  
   first obs. used      1955-11-19  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:45  

Additional Information
 Jupiter MOID = 1.87499 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.128330586289908E-15 -3.559359109688978E-15 -4.575234337172549E-13 1.028423426239986E-14 -6.736087273598689E-14 -1.941597333397229E-15
q -3.559359109688978E-15 1.136955647198634E-14 1.206417873704126E-12 -3.254713795828833E-14 1.633404766766601E-13 6.847918678207903E-15
tp -4.575234337172549E-13 1.206417873704126E-12 7.146569374937812E-9 -2.512877010303098E-11 1.495349029369724E-9 6.850361552053758E-12
node 1.028423426239986E-14 -3.254713795828833E-14 -2.512877010303098E-11 5.603062015518046E-10 -5.591491081787939E-10 2.937227046540441E-11
peri -6.736087273598689E-14 1.633404766766601E-13 1.495349029369724E-9 -5.591491081787939E-10 8.689270499936314E-10 -2.767493001760113E-11
i -1.941597333397229E-15 6.847918678207903E-15 6.850361552053758E-12 2.937227046540441E-11 -2.767493001760113E-11 2.096814437366987E-11

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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