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347972 (2003 SW44)
Classification: Main-belt Asteroid          SPK-ID: 2347972
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869501926743908 7.5148e-08  
a 2.625580651321007 1.916e-08 au
q 2.134727842674392 1.9134e-07 au
i 11.76307920247554 6.7846e-06 deg
node 191.8518041001691 3.6047e-05 deg
peri 192.4041652233124 4.3179e-05 deg
M 318.6880526297787 2.7507e-05 deg
tp 2459178.823934735920
(2020-Nov-25.32393474)
0.00012031 TDB
period 1553.947964002435
4.25
1.7009e-05
4.657e-08
d
yr
n .2316679891086983 2.5358e-09 deg/d
Q 3.116433459967622 2.2741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5791 days (15.85 yr)  
   first obs. used      2003-09-16  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:31:04  

Additional Information
 Earth MOID = 1.13927 au 
 Jupiter MOID = 2.34242 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457002.5 (2014-Dec-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895975030698184 7.5768e-08  
q 2.126227966381536 1.938e-07 au
tp 2457624.815045508484
(2016-Aug-24.31504551)
0.00010547 TDB
node 192.0021459334004 3.5975e-05 deg
peri 192.2928705921819 4.288e-05 deg
i 11.77945068198103 6.7997e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5791 days (15.85 yr)  
   first obs. used      2003-09-16  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:31:04  

Additional Information
 Jupiter MOID = 2.34242 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.740837077017488E-15 -1.464686192980995E-14 4.632347722002823E-12 2.21708416985136E-14 1.155316167867215E-12 1.99762518255468E-14
q -1.464686192980995E-14 3.755742190181777E-14 -1.101091717343383E-11 -5.342684228151748E-14 -2.798480551203803E-12 -4.828604611202209E-14
tp 4.632347722002823E-12 -1.101091717343383E-11 1.112340310583799E-8 2.352247230050358E-11 2.520688148045786E-9 2.751751047972072E-11
node 2.21708416985136E-14 -5.342684228151748E-14 2.352247230050358E-11 1.2941811412897E-9 -1.261170852633699E-9 1.199180396120196E-10
peri 1.155316167867215E-12 -2.798480551203803E-12 2.520688148045786E-9 -1.261170852633699E-9 1.838711650968612E-9 -1.110510465780303E-10
i 1.99762518255468E-14 -4.828604611202209E-14 2.751751047972072E-11 1.199180396120196E-10 -1.110510465780303E-10 4.623630032725547E-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 16.5   n/a MPO437473  
diameter diameter 3.477 km 0.953 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

347972 (2003 SW44)          Discovered 2003-Sep-16 by LONEOS at Anderson Mesa
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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