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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372863524582353 8.4878e-08  
a 3.198198612583309 6.044e-08 au
q 2.439309729366427 2.6786e-07 au
i 14.37076630642279 1.597e-05 deg
node 131.39053771354 3.8638e-05 deg
peri 122.8809235869442 0.00010357 deg
M 210.8244927899573 7.1967e-05 deg
tp 2459466.168460932450
(2021-Sep-08.66846093)
0.00040691 TDB
period 2089.087221918304
5.72
5.922e-05
1.621e-07
d
yr
n .1723240639370864 4.8849e-09 deg/d
Q 3.957087495800192 7.4781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4898 days (13.41 yr)  
   first obs. used      2004-05-20  
   last obs. used      2017-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54203  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:12:31  

Additional Information
 Earth MOID = 1.45839 au 
 Jupiter MOID = 1.42026 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457047.5 (2015-Jan-25.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2368582353977757 8.4575e-08  
q 2.440446608863145 2.6483e-07 au
tp 2457375.521332273173
(2015-Dec-19.02133227)
0.00043523 TDB
node 131.4298582514929 3.8634e-05 deg
peri 122.5879767864876 0.00010376 deg
i 14.37117795984475 1.5971e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4898 days (13.41 yr)  
   first obs. used      2004-05-20  
   last obs. used      2017-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54203  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:12:31  

Additional Information
 Jupiter MOID = 1.42026 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.152971354018492E-15 -2.208303967085911E-14 1.028650623692718E-11 -3.400316659973968E-14 2.0065181647816E-12 -1.482145280855293E-14
q -2.208303967085911E-14 7.013472683436987E-14 -4.248135831210058E-11 1.098232980458226E-13 -8.737710651646794E-12 -3.814992781224138E-15
tp 1.028650623692718E-11 -4.248135831210058E-11 1.894238158607576E-7 -1.124699434824724E-10 4.196196634610157E-8 3.721712526196964E-10
node -3.400316659973968E-14 1.098232980458226E-13 -1.124699434824724E-10 1.492606709452919E-9 -1.466139604166764E-9 1.954520236861556E-10
peri 2.0065181647816E-12 -8.737710651646794E-12 4.196196634610157E-8 -1.466139604166764E-9 1.076666472566166E-8 -1.057814810133809E-10
i -1.482145280855293E-14 -3.814992781224138E-15 3.721712526196964E-10 1.954520236861556E-10 -1.057814810133809E-10 2.550691657634602E-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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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