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212586 (2006 SD161)
Classification: Main-belt Asteroid          SPK-ID: 2212586
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09365359231710492 6.4632e-08  
a 2.907109218123772 2.8362e-08 au
q 2.634847996588311 1.9178e-07 au
i 3.262260532844842 5.6745e-06 deg
node 91.44631571707623 0.00013192 deg
peri 256.5049106648607 0.00013679 deg
M 302.4529613410164 4.0513e-05 deg
tp 2459289.908264168452
(2021-Mar-16.40826417)
0.0002055 TDB
period 1810.466316399728
4.96
2.6495e-05
7.254e-08
d
yr
n .1988437988263111 2.9099e-09 deg/d
Q 3.179370439659233 3.1019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      7348 days (20.12 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:47:44  

Additional Information
 Earth MOID = 1.63045 au 
 Jupiter MOID = 2.19226 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457012.5 (2014-Dec-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09424127411954988 6.4921e-08  
q 2.629883988346055 1.9222e-07 au
tp 2457489.477894626370
(2016-Apr-10.97789463)
0.0001937 TDB
node 91.4545536915944 0.00013196 deg
peri 258.0640753328371 0.00013671 deg
i 3.262924177397247 5.6776e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      7348 days (20.12 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:47:44  

Additional Information
 Jupiter MOID = 2.19226 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.214768810941902E-15 -1.236922888155546E-14 3.931250280463239E-12 -1.773563063049107E-14 7.547096692533558E-13 2.069893249030161E-15
q -1.236922888155546E-14 3.69479245694167E-14 -9.979745470216339E-12 5.529566658758313E-14 -1.961081371436526E-12 -5.611522958819519E-15
tp 3.931250280463239E-12 -9.979745470216339E-12 3.752145931386245E-8 1.071864118386319E-11 7.011924159091415E-9 2.740504434478571E-12
node -1.773563063049107E-14 5.529566658758313E-14 1.071864118386319E-11 1.741398255482402E-8 -1.738325427341727E-8 -1.404475696998896E-10
peri 7.547096692533558E-13 -1.961081371436526E-12 7.011924159091415E-9 -1.738325427341727E-8 1.868924847646405E-8 1.407095384854931E-10
i 2.069893249030161E-15 -5.611522958819519E-15 2.740504434478571E-12 -1.404475696998896E-10 1.407095384854931E-10 3.223471370398984E-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 16.1   n/a MPO437021  

212586 (2006 SD161)          Discovered 2006-Sep-23 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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