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434538 (2005 SG291)
Classification: Inner Main-belt Asteroid          SPK-ID: 2434538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 .07987514772261539 7.9717e-08  
a 1.955247632452613 1.5646e-08 au
q 1.799071938976166 1.5375e-07 au
i 22.49044458865936 1.0069e-05 deg
node 183.7919100559422 1.6716e-05 deg
peri 150.1059148815962 4.9749e-05 deg
M 167.4975847644008 4.9876e-05 deg
tp 2458535.870127793475
(2019-Feb-21.37012779)
0.0001359 TDB
period 998.6218859789744
2.73
1.1986e-05
3.282e-08
d
yr
n .3604968057024735 4.3271e-09 deg/d
Q 2.111423325929059 1.6896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      7474 days (20.46 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:48:43  

Additional Information
 Earth MOID = .807567 au 
 Jupiter MOID = 3.12531 au 
 T_jup = 3.790 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457378.5 (2015-Dec-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08006354726170031 7.9808e-08  
q 1.798498238382752 1.5395e-07 au
tp 2457537.341977735111
(2016-May-28.84197774)
0.00013085 TDB
node 183.8154017021249 1.6709e-05 deg
peri 150.1212744814356 4.9622e-05 deg
i 22.49607608441605 1.0071e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      7474 days (20.46 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:48:43  

Additional Information
 Jupiter MOID = 3.12531 au 
 T_jup = 3.790 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.369319293350567E-15 -1.223450904584532E-14 2.900681184962201E-12 -8.00896661772898E-14 1.12222746357135E-12 1.956991947419568E-15
q -1.223450904584532E-14 2.369928482698295E-14 -5.018340840475218E-12 1.509908498244422E-13 -1.975219476493484E-12 -1.550744058782457E-15
tp 2.900681184962201E-12 -5.018340840475218E-12 1.712218977119837E-8 -6.64898114077301E-11 6.130812512632661E-9 -2.55332696222795E-11
node -8.00896661772898E-14 1.509908498244422E-13 -6.64898114077301E-11 2.791990760298023E-10 -2.800571686881515E-10 -1.666860090317365E-11
peri 1.12222746357135E-12 -1.975219476493484E-12 6.130812512632661E-9 -2.800571686881515E-10 2.462359603336498E-9 4.445283512094307E-12
i 1.956991947419568E-15 -1.550744058782457E-15 -2.55332696222795E-11 -1.666860090317365E-11 4.445283512094307E-12 1.014342988577292E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO440802  

434538 (2005 SG291)          Discovered 2005-Sep-26 by CSS at Catalina
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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