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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .092918121458645 6.4188e-08  
a 2.905824022557991 2.9097e-08 au
q 2.6358203130925 1.9018e-07 au
i 3.261001263060703 5.5238e-06 deg
node 91.43281677009075 0.00013096 deg
peri 256.3576243887664 0.00013587 deg
M 342.3213967868342 4.0852e-05 deg
tp 2459289.348037448609
(2021-Mar-15.84803745)
0.00020592 TDB
period 1809.265873317336
4.95
2.7175e-05
7.44e-08
d
yr
n .1989757311565992 2.9886e-09 deg/d
Q 3.175827732023483 3.18e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:15  

Additional Information
 Earth MOID = 1.62958 au 
 Jupiter MOID = 2.19315 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0942201585127492 6.4325e-08  
q 2.630176763250276 1.9097e-07 au
tp 2457489.271330051273
(2016-Apr-10.77133005)
0.00019352 TDB
node 91.45513742908926 0.00013087 deg
peri 258.0089686388285 0.00013562 deg
i 3.26282136579613 5.5314e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:15  

Additional Information
 Jupiter MOID = 2.19315 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.137758972288983E-15 -1.217729679354711E-14 4.024165404208443E-12 -1.584698594396015E-14 7.812259882959247E-13 2.123865972171449E-15
q -1.217729679354711E-14 3.647037402445999E-14 -1.021289432302413E-11 5.0219892427048E-14 -2.02720668933639E-12 -5.79434680909404E-15
tp 4.024165404208443E-12 -1.021289432302413E-11 3.74504261836876E-8 1.3447192223128E-11 6.981836615242611E-9 3.134715251150885E-12
node -1.584698594396015E-14 5.0219892427048E-14 1.3447192223128E-11 1.712653687364951E-8 -1.709591554961735E-8 -1.617681755785796E-10
peri 7.812259882959247E-13 -2.02720668933639E-12 6.981836615242611E-9 -1.709591554961735E-8 1.839265141278463E-8 1.620747638441272E-10
i 2.123865972171449E-15 -5.79434680909404E-15 3.134715251150885E-12 -1.617681755785796E-10 1.620747638441272E-10 3.059604681859193E-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 16.23   n/a MPCxxxxx  

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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