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342204 (2008 SZ223)
Classification: Main-belt Asteroid          SPK-ID: 2342204
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2056402320450828 5.3249e-08  
a 2.527447870596631 2.2453e-08 au
q 2.007702904005289 1.4184e-07 au
i 2.721308807050365 6.3083e-06 deg
node 99.18529117860936 0.00060273 deg
peri 348.7803817430622 0.00063222 deg
M 2.946493636970819 0.00016937 deg
tp 2459384.487739439356
(2021-Jun-18.98773944)
0.00069047 TDB
period 1467.647425934195
4.02
1.9557e-05
5.354e-08
d
yr
n .2452905198064521 3.2687e-09 deg/d
Q 3.047192837187972 2.7071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5427 days (14.86 yr)  
   first obs. used      2006-02-27  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:23:52  

Additional Information
 Earth MOID = 1.02424 au 
 Jupiter MOID = 2.1696 au 
 T_jup = 3.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458223.5 (2018-Apr-15.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044578454781466 6.2448e-08  
q 2.011523465545862 1.6828e-07 au
tp 2457911.782673619250
(2017-Jun-07.28267362)
0.00069557 TDB
node 99.22012195112306 0.00060394 deg
peri 347.9497251759148 0.00063391 deg
i 2.719201816227222 6.2128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5427 days (14.86 yr)  
   first obs. used      2006-02-27  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:23:52  

Additional Information
 Jupiter MOID = 2.1696 au 
 T_jup = 3.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.899734649957884E-15 -1.045832861156808E-14 -3.297547438480911E-11 7.849158515072375E-13 -9.230318127824334E-12 -1.472865121097544E-14
q -1.045832861156808E-14 2.831656117169504E-14 8.806725026326428E-11 -2.085555128162178E-12 2.465199119466048E-11 3.976839285089603E-14
tp -3.297547438480911E-11 8.806725026326428E-11 4.83815940253792E-7 -1.085092768549694E-8 1.358041951707891E-7 2.169371398418928E-10
node 7.849158515072375E-13 -2.085555128162178E-12 -1.085092768549694E-8 3.647405430583879E-7 -3.67146289163151E-7 2.807037958990722E-9
peri -9.230318127824334E-12 2.465199119466048E-11 1.358041951707891E-7 -3.67146289163151E-7 4.01844087863598E-7 -2.747947115241416E-9
i -1.472865121097544E-14 3.976839285089603E-14 2.169371398418928E-10 2.807037958990722E-9 -2.747947115241416E-9 3.859873941400864E-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 17.75   n/a MPCxxxxx  

342204 (2008 SZ223)          Discovered 2008-Sep-26 by Charleston at Charleston
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

Alternate Designations
 2008 SZ223 = 2006 DE191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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