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175105 (2004 KC9)
Classification: Main-belt Asteroid          SPK-ID: 2175105
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677286636021326 4.7143e-08  
a 3.084477382495865 2.8326e-08 au
q 2.567122113218829 1.5854e-07 au
i 6.680292668160681 4.3148e-06 deg
node 115.6252661316731 5.0869e-05 deg
peri 201.3938742978764 5.389e-05 deg
M 321.8586517839849 2.0215e-05 deg
tp 2459410.135269705345
(2021-Jul-14.63526971)
0.00011238 TDB
period 1978.658349109846
5.42
2.7256e-05
7.462e-08
d
yr
n .1819414656208617 2.5062e-09 deg/d
Q 3.6018326517729 3.3077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      9891 days (27.08 yr)  
   first obs. used      1993-05-19  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:03  

Additional Information
 Earth MOID = 1.55295 au 
 Jupiter MOID = 1.69784 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457338.5 (2015-Nov-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1662469482032963 4.7176e-08  
q 2.572451880835808 1.5861e-07 au
tp 2457432.951313323482
(2016-Feb-14.45131332)
0.00010376 TDB
node 115.6363929165364 5.0881e-05 deg
peri 201.6562416337189 5.3951e-05 deg
i 6.67826254389736 4.3135e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      9891 days (27.08 yr)  
   first obs. used      1993-05-19  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:03  

Additional Information
 Jupiter MOID = 1.69784 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.225550548019084E-15 -7.417612879720947E-15 -4.118534012078082E-13 -9.086611746495642E-15 4.185475573730249E-14 -7.586826984833246E-16
q -7.417612879720947E-15 2.51570803474215E-14 1.830759961592825E-12 3.684391603339224E-14 -6.82044275789019E-14 3.834695190184817E-15
tp -4.118534012078082E-13 1.830759961592825E-12 1.07663635459387E-8 1.405506088068885E-11 1.909930958264272E-9 7.041531770009848E-12
node -9.086611746495642E-15 3.684391603339224E-14 1.405506088068885E-11 2.588893987697544E-9 -2.569066694746763E-9 -2.773897560274335E-11
peri 4.185475573730249E-14 -6.82044275789019E-14 1.909930958264272E-9 -2.569066694746763E-9 2.91067669991869E-9 2.876632045324254E-11
i -7.586826984833246E-16 3.834695190184817E-15 7.041531770009848E-12 -2.773897560274335E-11 2.876632045324254E-11 1.860616104796899E-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 15.31   n/a E2021B55  
diameter diameter 5.378 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175105 (2004 KC9)          Discovered 2004-May-18 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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