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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005898096821126742 5.8882e-08  
a 2.999681685177287 2.9551e-08 au
q 2.981989272165551 1.7983e-07 au
i 8.531180899369126 7.2553e-06 deg
node 330.9403944164372 3.7158e-05 deg
peri 168.6932530446011 0.000606 deg
M 265.6835728587606 0.00060749 deg
tp 2459497.659822110904
(2021-Oct-10.15982211)
0.0032056 TDB
period 1897.62845545353
5.20
2.8041e-05
7.677e-08
d
yr
n .189710477288327 2.8034e-09 deg/d
Q 3.017374098189024 2.9725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7299 days (19.98 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:47:58  

Additional Information
 Earth MOID = 1.99246 au 
 Jupiter MOID = 1.97623 au 
 T_jup = 3.236 
[ 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 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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