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JPL Small-Body Database Browser
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59741 (1999 LE9)
Classification: Main-belt Asteroid          SPK-ID: 2059741
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 .1184441458366499 7.2611e-08  
a 2.533371588347762 1.0392e-08 au
q 2.233308554479075 1.8565e-07 au
i 13.35063401381418 4.0748e-06 deg
node 104.3403184059748 2.8081e-05 deg
peri 120.9525523079181 3.3732e-05 deg
M 90.77820648156171 1.7644e-05 deg
tp 2458629.113709789197
(2019-May-25.61370979)
7.1967e-05 TDB
period 1472.810156290598
4.03
9.0623e-06
2.481e-08
d
yr
n .2444306881388513 1.504e-09 deg/d
Q 2.83343462221645 1.1623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7387 days (20.22 yr)  
   first obs. used      1999-05-09  
   last obs. used      2019-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:53:16  

Additional Information
 Earth MOID = 1.25269 au 
 Jupiter MOID = 2.26191 au 
 T_jup = 3.402 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457005.5 (2014-Dec-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173826368899188 7.2869e-08  
q 2.236171252627138 1.8588e-07 au
tp 2457155.511035752618
(2015-May-13.01103575)
7.2601e-05 TDB
node 104.3667130991405 2.8091e-05 deg
peri 120.8957688304042 3.3837e-05 deg
i 13.34712052550333 4.0767e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7387 days (20.22 yr)  
   first obs. used      1999-05-09  
   last obs. used      2019-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:53:16  

Additional Information
 Jupiter MOID = 2.26191 au 
 T_jup = 3.402 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.309819752019736E-15 -1.352924370401399E-14 -1.996208194228839E-12 -1.455221457852698E-13 -4.38715770693942E-13 -2.30256595116539E-14
q -1.352924370401399E-14 3.455216539964616E-14 5.022128057631035E-12 3.694309076557577E-13 1.0986347979761E-12 5.913538455015326E-14
tp -1.996208194228839E-12 5.022128057631035E-12 5.270931930115676E-9 8.488304607033109E-11 1.434869591505118E-9 4.681453045425412E-12
node -1.455221457852698E-13 3.694309076557577E-13 8.488304607033109E-11 7.890829768439772E-10 -7.435358671487976E-10 -6.556655709106742E-11
peri -4.38715770693942E-13 1.0986347979761E-12 1.434869591505118E-9 -7.435358671487976E-10 1.1449470887125E-9 6.521791713813719E-11
i -2.30256595116539E-14 5.913538455015326E-14 4.681453045425412E-12 -6.556655709106742E-11 6.521791713813719E-11 1.661933731466168E-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 14.8   n/a MPO474478  
diameter diameter 2.903 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59741 (1999 LE9)          Discovered 1999-Jun-08 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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