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JPL Small-Body Database Browser
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173849 (2001 TY139)
Classification: Main-belt Asteroid          SPK-ID: 2173849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091896995659995 7.0282e-08  
a 2.91656214300501 2.666e-08 au
q 2.598103598844725 2.0322e-07 au
i 11.53608141708455 6.4732e-06 deg
node 23.90875989134707 2.9361e-05 deg
peri 336.974840244563 3.9254e-05 deg
M 185.920390485791 2.7717e-05 deg
tp 2459480.232591219012
(2021-Sep-22.73259122)
0.00014647 TDB
period 1819.304016838306
4.98
2.4945e-05
6.83e-08
d
yr
n .1978778679473424 2.7131e-09 deg/d
Q 3.235020687165295 2.9571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      6452 days (17.66 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:03:10  

Additional Information
 Earth MOID = 1.59961 au 
 Jupiter MOID = 2.2302 au 
 T_jup = 3.242 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090885848844815 7.0107e-08  
q 2.598527533766441 2.0258e-07 au
tp 2457663.531310903465
(2016-Oct-02.03131090)
0.00013456 TDB
node 23.92702634587098 2.9356e-05 deg
peri 337.6134440349491 3.9328e-05 deg
i 11.53696013052723 6.4733e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      6452 days (17.66 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:03:10  

Additional Information
 Jupiter MOID = 2.2302 au 
 T_jup = 3.242 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.914984520471573E-15 -1.410664244371789E-14 -1.240262172819966E-12 -3.376229058748223E-14 -3.947276206093203E-13 5.407319962213158E-15
q -1.410664244371789E-14 4.104036158923661E-14 4.941794427028247E-12 9.893116934300176E-14 1.355090890774754E-12 -1.427404211854358E-14
tp -1.240262172819966E-12 4.941794427028247E-12 1.810598677689179E-8 3.848018411020531E-11 3.540490936560814E-9 -1.513480194951973E-11
node -3.376229058748223E-14 9.893116934300176E-14 3.848018411020531E-11 8.617863016832234E-10 -8.353592099090755E-10 -4.801780710833509E-11
peri -3.947276206093203E-13 1.355090890774754E-12 3.540490936560814E-9 -8.353592099090755E-10 1.546664229033896E-9 4.381832288721105E-11
i 5.407319962213158E-15 -1.427404211854358E-14 -1.513480194951973E-11 -4.801780710833509E-11 4.381832288721105E-11 4.190421504231918E-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 15.3   n/a MPO433117  
diameter diameter 4.720 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173849 (2001 TY139)          Discovered 2001-Oct-10 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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