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117285 (2004 TK173)
Classification: Main-belt Asteroid          SPK-ID: 2117285
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005898069708745229 5.8095e-08  
a 2.999681674824687 2.9052e-08 au
q 2.981989343202525 1.7829e-07 au
i 8.531184866758025 7.1267e-06 deg
node 330.940397290298 3.6952e-05 deg
peri 168.69266512 0.00059281 deg
M 265.6841635298546 0.00059407 deg
tp 2459497.656705997543
(2021-Oct-10.15670600)
0.0031347 TDB
period 1897.628445629793
5.20
2.7568e-05
7.548e-08
d
yr
n .1897104782704296 2.756e-09 deg/d
Q 3.017374006446848 2.9223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      7627 days (20.88 yr)  
   first obs. used      1999-12-12  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:19:51  

Additional Information
 Earth MOID = 1.99246 au 
 Jupiter MOID = 1.97623 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .003536070597616415 6.8808e-08  
q 2.988690605349845 2.0471e-07 au
tp 2457724.725236117315
(2016-Dec-02.22523612)
0.0041795 TDB
node 331.1085417890128 3.6833e-05 deg
peri 192.35475627488 0.00079248 deg
i 8.544997788862819 7.1392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      7627 days (20.88 yr)  
   first obs. used      1999-12-12  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:19:51  

Additional Information
 Jupiter MOID = 1.97623 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.734594704905167E-15 -1.394687419321737E-14 1.031157613363784E-10 -1.603781373308517E-14 1.958618004531227E-11 -4.475970801073617E-16
q -1.394687419321737E-14 4.190564370233018E-14 -2.476895583572475E-10 4.801582554357176E-14 -4.71262643553228E-11 3.156408689261634E-15
tp 1.031157613363784E-10 -2.476895583572475E-10 1.746833521389049E-5 -9.911853365691378E-11 3.308617116544368E-6 1.512785682709405E-11
node -1.603781373308517E-14 4.801582554357176E-14 -9.911853365691378E-11 1.356701633783595E-9 -1.359675140110263E-9 1.289450929948331E-10
peri 1.958618004531227E-11 -4.71262643553228E-11 3.308617116544368E-6 -1.359675140110263E-9 6.280175844236426E-7 -1.248107108763712E-10
i -4.475970801073617E-16 3.156408689261634E-15 1.512785682709405E-11 1.289450929948331E-10 -1.248107108763712E-10 5.096754415795076E-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 14.6   n/a MPO379339  
diameter diameter 4.841 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117285 (2004 TK173)          Discovered 2004-Oct-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 TK173 = 2001 BD80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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