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441484 (2008 SG26)
Classification: Main-belt Asteroid          SPK-ID: 2441484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110145739530943 6.2528e-08  
a 2.330240201261719 2.0552e-08 au
q 1.838525557984104 1.4132e-07 au
i 2.647665568672982 6.4425e-06 deg
node 134.0314702722494 0.00013392 deg
peri 190.4814228286687 0.00013512 deg
M 128.2297410374797 1.8343e-05 deg
tp 2458537.708123630347
(2019-Feb-23.20812363)
6.2511e-05 TDB
period 1299.270154841683
3.56
1.7188e-05
4.706e-08
d
yr
n .2770786342305125 3.6656e-09 deg/d
Q 2.821954844539333 2.4888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4142 days (11.34 yr)  
   first obs. used      2008-09-19  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62898  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:22  

Additional Information
 Earth MOID = .826498 au 
 Jupiter MOID = 2.51048 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457434.5 (2016-Feb-16.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2119574033940247 6.2565e-08  
q 1.835720668645247 1.4148e-07 au
tp 2457239.108916702647
(2015-Aug-04.60891670)
5.4165e-05 TDB
node 134.0769546964163 0.00013394 deg
peri 190.4951798122539 0.00013512 deg
i 2.647926061256281 6.4447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4142 days (11.34 yr)  
   first obs. used      2008-09-19  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62898  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:22  

Additional Information
 Jupiter MOID = 2.51048 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.914322519158855E-15 -8.799664291950533E-15 7.01723385605779E-13 3.004909620222855E-14 1.301261003591056E-13 -2.07714983119762E-15
q -8.799664291950533E-15 2.001573730706503E-14 -1.341344149047493E-12 -7.288813729632961E-14 -2.085068602455151E-13 4.378772563002395E-15
tp 7.01723385605779E-13 -1.341344149047493E-12 2.933893365954812E-9 -3.274871489023575E-12 9.948563470826579E-10 -1.240081910021063E-12
node 3.004909620222855E-14 -7.288813729632961E-14 -3.274871489023575E-12 1.793960494675516E-8 -1.791962848074617E-8 1.3157821205369E-10
peri 1.301261003591056E-13 -2.085068602455151E-13 9.948563470826579E-10 -1.791962848074617E-8 1.8257406733752E-8 -1.318157654091014E-10
i -2.07714983119762E-15 4.378772563002395E-15 -1.240081910021063E-12 1.3157821205369E-10 -1.318157654091014E-10 4.153365369663439E-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 18.1   n/a MPO503569  

441484 (2008 SG26)          Discovered 2008-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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