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434335 (2004 LF9)
Classification: Main-belt Asteroid          SPK-ID: 2434335
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 .2372971304254677 8.4995e-08  
a 3.197180720776176 4.2683e-08 au
q 2.438498910284361 2.674e-07 au
i 14.37402890167969 1.5393e-05 deg
node 131.3869749231677 3.1126e-05 deg
peri 122.9752093205107 5.4133e-05 deg
M 279.6501477143037 4.0439e-05 deg
tp 2459466.549221676649
(2021-Sep-09.04922168)
0.00023806 TDB
period 2088.089959481618
5.72
4.1814e-05
1.145e-07
d
yr
n .1724063651402128 3.4525e-09 deg/d
Q 3.955862531267991 5.2811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5733 days (15.70 yr)  
   first obs. used      2004-05-20  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:47:56  

Additional Information
 Earth MOID = 1.45785 au 
 Jupiter MOID = 1.42215 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457550.5 (2016-Jun-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2368871296880407 8.4406e-08  
q 2.439898558054557 2.6515e-07 au
tp 2457375.899067931415
(2015-Dec-19.39906793)
0.00022552 TDB
node 131.4282688337135 3.1138e-05 deg
peri 122.6986353047104 5.4256e-05 deg
i 14.37062409346615 1.5389e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5733 days (15.70 yr)  
   first obs. used      2004-05-20  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:47:56  

Additional Information
 Jupiter MOID = 1.42215 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.124358946645418E-15 -2.221894435947015E-14 1.214789851163231E-11 4.83656034082731E-16 2.402721320123177E-12 -3.267889570835905E-15
q -2.221894435947015E-14 7.030214950920021E-14 -3.70238710873134E-11 5.366530216072677E-15 -7.384083656894151E-12 -9.631978966755479E-15
tp 1.214789851163231E-11 -3.70238710873134E-11 5.085769354673723E-8 1.066234392839231E-11 1.007171263053822E-8 4.419030131151194E-11
node 4.83656034082731E-16 5.366530216072677E-15 1.066234392839231E-11 9.69544951712376E-10 -9.351711870290639E-10 1.008303961534311E-10
peri 2.402721320123177E-12 -7.384083656894151E-12 1.007171263053822E-8 -9.351711870290639E-10 2.943736237360936E-9 -9.009269978719965E-11
i -3.267889570835905E-15 -9.631978966755479E-15 4.419030131151194E-11 1.008303961534311E-10 -9.009269978719965E-11 2.368321474342677E-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 16.2   n/a MPO423557  
diameter diameter 3.172 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

434335 (2004 LF9)          Discovered 2004-Jun-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

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