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146536 (2001 SZ226)
Classification: Main-belt Asteroid          SPK-ID: 2146536
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06757061819528777 7.3479e-08  
a 2.920780511487935 2.434e-08 au
q 2.723421566713947 2.1485e-07 au
i 3.335726422711937 4.7057e-06 deg
node 123.0522720590559 0.00012269 deg
peri 246.8640060558686 0.0001278 deg
M 310.5556258739281 4.0495e-05 deg
tp 2459450.915492113707
(2021-Aug-24.41549211)
0.0002071 TDB
period 1823.25246813871
4.99
2.2791e-05
6.24e-08
d
yr
n .1974493419265794 2.4681e-09 deg/d
Q 3.118139456261924 2.5985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      10092 days (27.63 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:01:34  

Additional Information
 Earth MOID = 1.72306 au 
 Jupiter MOID = 2.2328 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456686.5 (2014-Jan-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06985890204629132 7.3129e-08  
q 2.712399084443764 2.142e-07 au
tp 2455822.106710188554
(2011-Sep-17.60671019)
0.00017747 TDB
node 123.0981314974009 0.00012298 deg
peri 249.1757172602711 0.0001278 deg
i 3.333060674836198 4.6977e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      10092 days (27.63 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:01:34  

Additional Information
 Jupiter MOID = 2.2328 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.347807872574643E-15 -1.558585169338746E-14 1.381446938124677E-12 9.671953165721625E-15 1.391013877006865E-13 1.048442356662811E-15
q -1.558585169338746E-14 4.588053440026917E-14 -2.287984196404968E-12 -2.36715617613377E-14 -3.422815906956224E-14 -2.675412403248383E-15
tp 1.381446938124677E-12 -2.287984196404968E-12 3.149628033452456E-8 -5.978967395213548E-12 6.25598326359098E-9 1.173315315723696E-12
node 9.671953165721625E-15 -2.36715617613377E-14 -5.978967395213548E-12 1.512410620029052E-8 -1.509870003541333E-8 1.948385552789877E-10
peri 1.391013877006865E-13 -3.422815906956224E-14 6.25598326359098E-9 -1.509870003541333E-8 1.633309466916077E-8 -1.942752598311547E-10
i 1.048442356662811E-15 -2.675412403248383E-15 1.173315315723696E-12 1.948385552789877E-10 -1.942752598311547E-10 2.20680563229247E-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 15.5   n/a MPO436735  

146536 (2001 SZ226)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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