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357491 (2004 LH9)
Classification: Main-belt Asteroid          SPK-ID: 2357491
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01901629283435767 5.7105e-08  
a 2.829827845261001 3.21e-08 au
q 2.776015010284698 1.6056e-07 au
i 12.17861659664251 9.7371e-06 deg
node 176.4575818862667 3.0636e-05 deg
peri 90.2909465002877 0.00025955 deg
M 108.8114765571801 0.00025759 deg
tp 2458474.954098824857
(2018-Dec-22.45409882)
0.0012437 TDB
period 1738.755234367482
4.76
2.9585e-05
8.1e-08
d
yr
n .2070446678660666 3.5229e-09 deg/d
Q 2.883640680237303 3.271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2004-04-24  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 22:08:50  

Additional Information
 Earth MOID = 1.7937 au 
 Jupiter MOID = 2.11543 au 
 T_jup = 3.280 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457211.5 (2015-Jul-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02001568008889471 5.4031e-08  
q 2.774222053392809 1.5197e-07 au
tp 2456763.532693185476
(2014-Apr-16.03269319)
0.0012145 TDB
node 176.5518857038876 3.0582e-05 deg
peri 96.13193085619884 0.00025352 deg
i 12.18740850706531 9.7461e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2004-04-24  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 22:08:50  

Additional Information
 Jupiter MOID = 2.11543 au 
 T_jup = 3.280 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.919356065065089E-15 -8.035389608105113E-15 -1.68577039910584E-11 1.456121989354241E-15 -3.470451382767075E-12 1.202613462895292E-15
q -8.035389608105113E-15 2.309576970225552E-14 4.751560505139257E-11 -9.668532620293089E-15 9.820220333591993E-12 -1.391202312510204E-15
tp -1.68577039910584E-11 4.751560505139257E-11 1.474935086030385E-6 -1.144775076856918E-10 3.056774735806089E-7 -8.095054910610657E-11
node 1.456121989354241E-15 -9.668532620293089E-15 -1.144775076856918E-10 9.35280845871257E-10 -9.373384968949283E-10 1.066015616818223E-10
peri -3.470451382767075E-12 9.820220333591993E-12 3.056774735806089E-7 -9.373384968949283E-10 6.427062907317167E-8 -1.209684276486313E-10
i 1.202613462895292E-15 -1.391202312510204E-15 -8.095054910610657E-11 1.066015616818223E-10 -1.209684276486313E-10 9.498644178604027E-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 MPO440601  

357491 (2004 LH9)          Discovered 2004-Jun-13 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2004 LH9 = 2005 QZ100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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