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105121 (2000 LS31)
Classification: Main-belt Asteroid          SPK-ID: 2105121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .291260789624393 4.4784e-08  
a 3.097353560560953 2.1926e-08 au
q 2.195215916766045 1.3585e-07 au
i 9.633867381120035 5.912e-06 deg
node 253.0103061819653 3.2317e-05 deg
peri 81.73460324765526 3.4118e-05 deg
M 208.576203953766 1.2812e-05 deg
tp 2459837.983441971153
(2022-Sep-15.48344197)
7.6918e-05 TDB
period 1991.061160674907
5.45
2.1142e-05
5.788e-08
d
yr
n .1808081073099589 1.9199e-09 deg/d
Q 3.999491204355862 2.8312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7266 days (19.89 yr)  
   first obs. used      2000-06-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:25:21  

Additional Information
 Earth MOID = 1.21063 au 
 Jupiter MOID = 1.6035 au 
 T_jup = 3.135 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457035.5 (2015-Jan-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2893539863957689 4.4713e-08  
q 2.203027182537873 1.3542e-07 au
tp 2457846.645151276004
(2017-Apr-03.14515128)
6.412e-05 TDB
node 253.062764440798 3.2314e-05 deg
peri 81.67964886597876 3.4152e-05 deg
i 9.62887829520375 5.9092e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7266 days (19.89 yr)  
   first obs. used      2000-06-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:25:21  

Additional Information
 Jupiter MOID = 1.6035 au 
 T_jup = 3.135 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.999241152060993E-15 -6.017814799675079E-15 1.055214385359197E-12 -1.163964228514135E-14 1.60926628815801E-13 1.110204559353112E-15
q -6.017814799675079E-15 1.833873684317082E-14 -2.758467275383958E-12 1.69313108877798E-14 -4.157722895431194E-13 1.372740136336008E-15
tp 1.055214385359197E-12 -2.758467275383958E-12 4.11141201368998E-9 -2.598035860503348E-11 7.400798004010951E-10 -1.594095974999216E-12
node -1.163964228514135E-14 1.69313108877798E-14 -2.598035860503348E-11 1.044167811063209E-9 -1.032990795941408E-9 -4.471653627805612E-11
peri 1.60926628815801E-13 -4.157722895431194E-13 7.400798004010951E-10 -1.032990795941408E-9 1.166386288356071E-9 4.364171024402764E-11
i 1.110204559353112E-15 1.372740136336008E-15 -1.594095974999216E-12 -4.471653627805612E-11 4.364171024402764E-11 3.491902046462055E-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 14.6   n/a MPO280479  
diameter diameter 7.059 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

105121 (2000 LS31)          Discovered 2000-Jun-05 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2000 LS31 = 2001 XE147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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