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243648 (1999 TX176)
Classification: Main-belt Asteroid          SPK-ID: 2243648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2316355377008935 5.7889e-08  
a 2.385876366965558 1.7466e-08 au
q 1.833222611815637 1.429e-07 au
i 5.579894067259735 6.5692e-06 deg
node 17.77991725488484 4.5588e-05 deg
peri 340.4328675113952 4.7559e-05 deg
M 235.0176431829368 1.8718e-05 deg
tp 2459467.822336176593
(2021-Sep-10.32233618)
7.4279e-05 TDB
period 1346.078321037111
3.69
1.4781e-05
4.047e-08
d
yr
n .267443576182574 2.9368e-09 deg/d
Q 2.938530122115479 2.1512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:44  

Additional Information
 Earth MOID = .830889 au 
 Jupiter MOID = 2.51225 au 
 T_jup = 3.492 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457455.5 (2016-Mar-08.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304331730574522 5.7825e-08  
q 1.837956763440876 1.4266e-07 au
tp 2458121.687241633670
(2018-Jan-03.18724163)
6.2654e-05 TDB
node 17.79688067879079 4.5589e-05 deg
peri 340.3262081607251 4.7581e-05 deg
i 5.578549120917127 6.5653e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:44  

Additional Information
 Jupiter MOID = 2.51225 au 
 T_jup = 3.492 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.343675926950416E-15 -8.215551229801832E-15 -9.907430369367905E-14 1.22947146825694E-14 8.926049426303927E-15 9.706659698147382E-16
q -8.215551229801832E-15 2.035049092336341E-14 8.866592150258486E-13 -3.305436339152009E-14 1.019782719855006E-13 -2.630098343805107E-15
tp -9.907430369367905E-14 8.866592150258486E-13 3.925550012657515E-9 -1.196051173469837E-11 8.574277210681773E-10 -1.064333494062499E-12
node 1.22947146825694E-14 -3.305436339152009E-14 -1.196051173469837E-11 2.078314532999064E-9 -2.070456830962682E-9 8.678999707465872E-12
peri 8.926049426303927E-15 1.019782719855006E-13 8.574277210681773E-10 -2.070456830962682E-9 2.263962891792141E-9 -8.798489425401463E-12
i 9.706659698147382E-16 -2.630098343805107E-15 -1.064333494062499E-12 8.678999707465872E-12 -8.798489425401463E-12 4.310292102386353E-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 16.7   n/a MPO413139  
diameter diameter 2.561 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243648 (1999 TX176)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 TX176 = 2006 OG19 = 2008 AG97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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