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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456350.5 (2013-Feb-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846044565284809 3.635e-08  
q 1.849733700056481 8.1532e-08 au
tp 2456764.921799610766
(2014-Apr-17.42179961)
4.5799e-05 TDB
node 141.3342365669225 7.2118e-05 deg
peri 157.479271558033 7.3294e-05 deg
i 3.446180062395129 4.7464e-06 deg
  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
 Jupiter MOID = 2.52369 au 
 T_jup = 3.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.321346087181699E-15 -2.943283700215607E-15 3.654725604384805E-13 9.738163108902092E-15 7.901313535823594E-14 -5.171391166519771E-16
q -2.943283700215607E-15 6.647404340662181E-15 -8.322191127353728E-13 -2.044857139071925E-14 -1.92187705642417E-13 1.32132674450449E-15
tp 3.654725604384805E-13 -8.322191127353728E-13 2.097509606822598E-9 2.151284804454619E-11 6.123853447221103E-10 6.639116086627431E-13
node 9.738163108902092E-15 -2.044857139071925E-14 2.151284804454619E-11 5.200956040661439E-9 -5.184800877872382E-9 8.348339923627697E-11
peri 7.901313535823594E-14 -1.92187705642417E-13 6.123853447221103E-10 -5.184800877872382E-9 5.371972330603764E-9 -8.314632345517593E-11
i -5.171391166519771E-16 1.32132674450449E-15 6.639116086627431E-13 8.348339923627697E-11 -8.314632345517593E-11 2.252851323755425E-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 16.4   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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