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213339 (2001 SG216)
Classification: Main-belt Asteroid          SPK-ID: 2213339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08920783415194254 5.0117e-08  
a 2.779810307035267 2.4465e-08 au
q 2.531829450191404 1.3309e-07 au
i 3.394908635173179 7.8232e-06 deg
node 356.2593678932962 8.496e-05 deg
peri 312.1574743342561 9.807e-05 deg
M 137.5279615247659 5.1117e-05 deg
tp 2458749.789855876898
(2019-Sep-23.28985588)
0.00023667 TDB
period 1692.860486719215
4.63
2.2348e-05
6.119e-08
d
yr
n .2126578077899877 2.8074e-09 deg/d
Q 3.027791163879129 2.6647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      7079 days (19.38 yr)  
   first obs. used      2001-08-25  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:18  

Additional Information
 Earth MOID = 1.51824 au 
 Jupiter MOID = 2.17861 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457376.5 (2015-Dec-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09084238296665853 5.0333e-08  
q 2.526907170508483 1.3394e-07 au
tp 2457060.844117880015
(2015-Feb-07.34411788)
0.00022482 TDB
node 356.3926246456116 8.4793e-05 deg
peri 312.7762158421937 9.7551e-05 deg
i 3.398618540808975 7.8335e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      7079 days (19.38 yr)  
   first obs. used      2001-08-25  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:18  

Additional Information
 Jupiter MOID = 2.17861 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.533405965143248E-15 -6.660291198508205E-15 4.989353974667229E-12 2.005225598159756E-14 9.594986088689511E-13 -2.996157484117842E-16
q -6.660291198508205E-15 1.794095267796025E-14 -1.231260203491898E-11 -4.999169079495408E-14 -2.330196774243575E-12 1.320214032985438E-15
tp 4.989353974667229E-12 -1.231260203491898E-11 5.054541059868062E-8 1.331405380358039E-10 1.085805264021519E-8 -3.724553461218578E-12
node 2.005225598159756E-14 -4.999169079495408E-14 1.331405380358039E-10 7.18978279036831E-9 -7.147982899263474E-9 3.34511722664068E-10
peri 9.594986088689511E-13 -2.330196774243575E-12 1.085805264021519E-8 -7.147982899263474E-9 9.516163553268669E-9 -3.347331948440677E-10
i -2.996157484117842E-16 1.320214032985438E-15 -3.724553461218578E-12 3.34511722664068E-10 -3.347331948440677E-10 6.136419563956048E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.72   n/a MPCxxxxx  

213339 (2001 SG216)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2001 SG216 = 2004 EU106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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