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181219 (2005 SE259)
Classification: Main-belt Asteroid          SPK-ID: 2181219
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049756025706919 5.4328e-08  
a 3.081739109188849 2.9341e-08 au
q 2.450057778317198 1.7402e-07 au
i 17.95768106483513 5.9775e-06 deg
node 156.4216017068285 1.7865e-05 deg
peri 156.222851540133 2.3689e-05 deg
M 2.841938100609348 1.6192e-05 deg
tp 2459380.900727477164
(2021-Jun-15.40072748)
8.8783e-05 TDB
period 1976.024075618275
5.41
2.822e-05
7.726e-08
d
yr
n .1821840150846139 2.6018e-09 deg/d
Q 3.713420440060501 3.5355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      6681 days (18.29 yr)  
   first obs. used      2003-03-23  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:22:31  

Additional Information
 Earth MOID = 1.44642 au 
 Jupiter MOID = 1.71082 au 
 T_jup = 3.122 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457561.5 (2016-Jun-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2031732319546654 5.4524e-08  
q 2.455379184237175 1.7416e-07 au
tp 2457407.838832438696
(2016-Jan-20.33883244)
8.1764e-05 TDB
node 156.4556850814144 1.7878e-05 deg
peri 156.4508538742919 2.3769e-05 deg
i 17.94706750936554 5.9744e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      6681 days (18.29 yr)  
   first obs. used      2003-03-23  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:22:31  

Additional Information
 Jupiter MOID = 1.71082 au 
 T_jup = 3.122 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.972813609247785E-15 -9.413042280759425E-15 6.242598473555112E-13 -7.360244903719015E-15 2.827476561424437E-13 -2.812586969347037E-15
q -9.413042280759425E-15 3.033261168453772E-14 -1.71098094425813E-12 2.38925778153322E-14 -8.375290124279811E-13 1.436505986732376E-14
tp 6.242598473555112E-13 -1.71098094425813E-12 6.685362473700829E-9 -1.303921938037755E-11 1.299509157970407E-9 2.931418345428501E-11
node -7.360244903719015E-15 2.38925778153322E-14 -1.303921938037755E-11 3.196390059102949E-10 -3.061391987468885E-10 2.956666663973358E-11
peri 2.827476561424437E-13 -8.375290124279811E-13 1.299509157970407E-9 -3.061391987468885E-10 5.649793782281844E-10 -2.260618652217143E-11
i -2.812586969347037E-15 1.436505986732376E-14 2.931418345428501E-11 2.956666663973358E-11 -2.260618652217143E-11 3.56938214923852E-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 15.47   n/a E2021B55  

181219 (2005 SE259)          Discovered 2005-Sep-24 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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Alternate Designations
 2005 SE259 = 2004 LS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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