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JPL Small-Body Database Browser
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117291 (2004 TK287)
Classification: Main-belt Asteroid          SPK-ID: 2117291
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836766139654389 3.6261e-08  
a 2.269361800639397 1.193e-08 au
q 1.852533109235441 8.127e-08 au
i 3.44558592572349 4.7441e-06 deg
node 141.3045715057351 7.2143e-05 deg
peri 157.4693027169139 7.3337e-05 deg
M 169.2145437757923 1.3947e-05 deg
tp 2458013.566059804341
(2017-Sep-17.06605980)
4.7228e-05 TDB
period 1248.688285035374
3.42
9.8467e-06
2.696e-08
d
yr
n .2883025366012795 2.2734e-09 deg/d
Q 2.686190492043352 1.4122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      16537 days (45.28 yr)  
   first obs. used      1973-09-29  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57665  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:24:54  

Additional Information
 Earth MOID = .836686 au 
 Jupiter MOID = 2.52369 au 
 T_jup = 3.589 
[ 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 16.4   n/a MPO417610  
diameter diameter 3.077 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117291 (2004 TK287)          Discovered 2004-Oct-09 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 TK287 = 1999 BF29 = 4296 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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