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308764 (2006 LF4)
Classification: Main-belt Asteroid          SPK-ID: 2308764
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .272651098527679 3.4978e-08  
a 2.564069634008496 1.8601e-08 au
q 1.864973231594615 8.4283e-08 au
i 7.960823805856731 4.3063e-06 deg
node 121.5352853986358 5.7838e-05 deg
peri 191.0274991555212 6.0951e-05 deg
M 112.1572255225402 2.2204e-05 deg
tp 2458533.283785153079
(2019-Feb-18.78378515)
8.9227e-05 TDB
period 1499.661181535637
4.11
1.6319e-05
4.468e-08
d
yr
n .2400542232021794 2.6122e-09 deg/d
Q 3.263166036422376 2.3673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7879 days (21.57 yr)  
   first obs. used      1998-07-02  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:19:54  

Additional Information
 Earth MOID = .851418 au 
 Jupiter MOID = 2.03502 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457555.5 (2016-Jun-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2736776023363516 3.4936e-08  
q 1.861049292936749 8.4076e-08 au
tp 2457035.194270300713
(2015-Jan-12.69427030)
7.9875e-05 TDB
node 121.6010966728246 5.7853e-05 deg
peri 191.0728756515572 6.095e-05 deg
i 7.962203855771353 4.3038e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7879 days (21.57 yr)  
   first obs. used      1998-07-02  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:19:54  

Additional Information
 Jupiter MOID = 2.03502 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.220493198216062E-15 -2.908308014262435E-15 2.173694748021182E-13 -6.180677078242373E-15 6.475729742244275E-14 9.702327639765499E-16
q -2.908308014262435E-15 7.068690573707081E-15 -4.386211455684913E-14 1.186790159419781E-14 -2.695841637856604E-14 -2.170073709058426E-15
tp 2.173694748021182E-13 -4.386211455684913E-14 6.380025916931089E-9 -4.144558151509644E-11 1.638145607613196E-9 3.632673230154501E-12
node -6.180677078242373E-15 1.186790159419781E-14 -4.144558151509644E-11 3.346922493334374E-9 -3.3248122324339E-9 -1.157312443510581E-10
peri 6.475729742244275E-14 -2.695841637856604E-14 1.638145607613196E-9 -3.3248122324339E-9 3.71492362596017E-9 1.155012561576034E-10
i 9.702327639765499E-16 -2.170073709058426E-15 3.632673230154501E-12 -1.157312443510581E-10 1.155012561576034E-10 1.852255416441323E-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 16.2   n/a MPO440449  

308764 (2006 LF4)          Discovered 2006-Jun-09 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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