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226445 (2003 SP66)
Classification: Main-belt Asteroid          SPK-ID: 2226445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05405857875043792 6.2414e-08  
a 3.102686014405401 3.222e-08 au
q 2.934959218157784 2.0161e-07 au
i 10.31538651662566 6.8055e-06 deg
node 206.4839652299609 3.4875e-05 deg
peri 188.6955439539898 7.6659e-05 deg
M 338.4864995185911 7.0603e-05 deg
tp 2459119.792667190133
(2020-Sep-27.29266719)
0.00039226 TDB
period 1996.205137586024
5.47
3.1095e-05
8.513e-08
d
yr
n .1803421868933479 2.8092e-09 deg/d
Q 3.270412810653018 3.3962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:45  

Additional Information
 Earth MOID = 1.94127 au 
 Jupiter MOID = 2.02265 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457283.5 (2015-Sep-18.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05491758487711052 6.5247e-08  
q 2.932693455984154 2.1212e-07 au
tp 2457092.259828522401
(2015-Mar-10.75982852)
0.0003597 TDB
node 206.5750465715841 3.4812e-05 deg
peri 183.5065216307004 7.3634e-05 deg
i 10.32143124455504 6.8243e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:45  

Additional Information
 Jupiter MOID = 2.02265 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.25722950190947E-15 -1.369842914524114E-14 -1.066836880375167E-11 7.796490016258805E-15 -1.822774723505591E-12 -3.935228641108328E-15
q -1.369842914524114E-14 4.499543233738953E-14 3.749559669525649E-11 -3.075504678326154E-14 6.458518427754007E-12 1.650582449290077E-14
tp -1.066836880375167E-11 3.749559669525649E-11 1.293824230885827E-7 -5.62321246336408E-11 2.338854435827295E-8 4.037113592950545E-11
node 7.796490016258805E-15 -3.075504678326154E-14 -5.62321246336408E-11 1.211850909144342E-9 -1.201718386616062E-9 -8.925373271243898E-11
peri -1.822774723505591E-12 6.458518427754007E-12 2.338854435827295E-8 -1.201718386616062E-9 5.421935539007124E-9 9.512528813478688E-11
i -3.935228641108328E-15 1.650582449290077E-14 4.037113592950545E-11 -8.925373271243898E-11 9.512528813478688E-11 4.657099493631438E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO450050  
diameter diameter 4.243 km 1.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226445 (2003 SP66)          Discovered 2003-Sep-18 by CINEOS at Campo Imperatore
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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