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344839 (2004 FC143)
Classification: Outer Main-belt Asteroid          SPK-ID: 2344839
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973927675397583 1.2986e-07  
a 3.200111940398357 6.7312e-08 au
q 2.568432988046099 4.1018e-07 au
i 29.93305402513109 1.6747e-05 deg
node 38.15000269701449 1.6953e-05 deg
peri 201.9439284837878 4.5844e-05 deg
M 274.556129736816 5.6719e-05 deg
tp 2459496.777508719570
(2021-Oct-09.27750872)
0.00034157 TDB
period 2090.962202305882
5.72
6.5973e-05
1.806e-07
d
yr
n .1721695397472978 5.4322e-09 deg/d
Q 3.831790892750615 8.0599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      5377 days (14.72 yr)  
   first obs. used      2004-03-23  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:35:00  

Additional Information
 Earth MOID = 1.57401 au 
 Jupiter MOID = 1.21405 au 
 T_jup = 2.958 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456782.5 (2014-May-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976542919751723 1.3073e-07  
q 2.568583995283321 4.1487e-07 au
tp 2457402.588619914599
(2016-Jan-15.08861991)
0.00029158 TDB
node 38.2645284589184 1.6977e-05 deg
peri 201.3010029778241 4.5528e-05 deg
i 29.93113971595741 1.6746e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      5377 days (14.72 yr)  
   first obs. used      2004-03-23  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:35:00  

Additional Information
 Jupiter MOID = 1.21405 au 
 T_jup = 2.958 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.70898622857545E-14 -5.377666336445624E-14 -1.325256653754447E-11 -3.113186087111758E-15 -2.51363392759E-12 7.284343782738043E-14
q -5.377666336445624E-14 1.721131720414808E-13 5.36966355537132E-11 3.560594479700219E-14 9.42941835769448E-12 -2.91999911535835E-13
tp -1.325256653754447E-11 5.36966355537132E-11 8.501685334604985E-8 -1.145766636447119E-10 1.227206763003056E-8 -8.093204383823572E-11
node -3.113186087111758E-15 3.560594479700219E-14 -1.145766636447119E-10 2.88214956810229E-10 -2.656813174984097E-10 -1.023496038962838E-10
peri -2.51363392759E-12 9.42941835769448E-12 1.227206763003056E-8 -2.656813174984097E-10 2.072778484712508E-9 7.633833514015211E-11
i 7.284343782738043E-14 -2.91999911535835E-13 -8.093204383823572E-11 -1.023496038962838E-10 7.633833514015211E-11 2.804431659075918E-10

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 15.5   n/a MPO339101  
diameter diameter 4.638 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344839 (2004 FC143)          Discovered 2004-Mar-27 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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