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212544 (2006 SA8)
Classification: Main-belt Asteroid          SPK-ID: 2212544
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01880386244530487 4.9033e-08  
a 3.023828132707468 3.2898e-08 au
q 2.966968484441793 1.4439e-07 au
i 9.074998934849789 5.5845e-06 deg
node 335.2409210883733 2.9173e-05 deg
peri 64.28947624816144 0.00014471 deg
M 188.2357261717683 0.00014274 deg
tp 2459916.856402620273
(2022-Dec-03.35640262)
0.00076701 TDB
period 1920.587428286714
5.26
3.1343e-05
8.581e-08
d
yr
n .1874426515022765 3.059e-09 deg/d
Q 3.080687780973142 3.3517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:00:18  

Additional Information
 Earth MOID = 1.97969 au 
 Jupiter MOID = 1.99915 au 
 T_jup = 3.226 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457044.5 (2015-Jan-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01931283314404676 4.8404e-08  
q 2.965428164857016 1.417e-07 au
tp 2456097.874385993181
(2012-Jun-19.37438599)
0.00073698 TDB
node 335.2657631729514 2.9177e-05 deg
peri 68.60417944271012 0.00014291 deg
i 9.074636222375629 5.5842e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:00:18  

Additional Information
 Jupiter MOID = 1.99915 au 
 T_jup = 3.226 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.342932944184136E-15 -6.689637455955883E-15 -6.838755656562577E-12 1.209953993501646E-15 -1.211786938950473E-12 -1.217805459798079E-16
q -6.689637455955883E-15 2.007890572845097E-14 2.714871216629589E-11 -1.459533406610109E-15 4.981332514314458E-12 2.367638661846998E-15
tp -6.838755656562577E-12 2.714871216629589E-11 5.431349834086501E-7 -9.315061793153955E-11 1.031085631183587E-7 -1.589312043350082E-11
node 1.209953993501646E-15 -1.459533406610109E-15 -9.315061793153955E-11 8.512752786161054E-10 -8.575349659074358E-10 3.966670673550056E-11
peri -1.211786938950473E-12 4.981332514314458E-12 1.031085631183587E-7 -8.575349659074358E-10 2.042452791054423E-8 -4.196718164519319E-11
i -1.217805459798079E-16 2.367638661846998E-15 -1.589312043350082E-11 3.966670673550056E-11 -4.196718164519319E-11 3.118361916078389E-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 15.6   n/a MPO433389  

212544 (2006 SA8)          Discovered 2006-Sep-16 by CSS at Catalina
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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