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357866 (2005 UE308)
Classification: Main-belt Asteroid          SPK-ID: 2357866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04005658262608903 7.8703e-08  
a 3.066079914896519 4.0109e-08 au
q 2.943263231447275 2.6634e-07 au
i 11.039746650028 6.2813e-06 deg
node 47.81181324826164 3.0346e-05 deg
peri 296.2010075528692 8.0813e-05 deg
M 322.6657048579123 7.2441e-05 deg
tp 2459203.866347097107
(2020-Dec-20.36634710)
0.00039425 TDB
period 1960.982112460601
5.37
3.8479e-05
1.053e-07
d
yr
n .1835814807858085 3.6023e-09 deg/d
Q 3.188896598345764 4.1716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      5463 days (14.96 yr)  
   first obs. used      2005-10-01  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:26:14  

Additional Information
 Earth MOID = 1.95836 au 
 Jupiter MOID = 1.98591 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457730.5 (2016-Dec-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04227652582673105 7.9417e-08  
q 2.933029961192247 2.6907e-07 au
tp 2457259.934550867577
(2015-Aug-25.43455087)
0.00037167 TDB
node 47.90651889564518 3.0252e-05 deg
peri 298.9166840860496 7.596e-05 deg
i 11.06338616864358 6.2934e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      5463 days (14.96 yr)  
   first obs. used      2005-10-01  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:26:14  

Additional Information
 Jupiter MOID = 1.98591 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.307110774341546E-15 -2.123662788716767E-14 9.091190353693468E-12 -2.174984227882721E-15 1.771036207900461E-12 -1.557440495159888E-14
q -2.123662788716767E-14 7.239780476808612E-14 -3.025998924243506E-11 7.276285687160257E-15 -5.861179605737961E-12 5.419617339407641E-14
tp 9.091190353693468E-12 -3.025998924243506E-11 1.381417167065442E-7 -1.085740887787862E-11 2.593519023167726E-8 -3.331009685388678E-12
node -2.174984227882721E-15 7.276285687160257E-15 -1.085740887787862E-11 9.152039553874416E-10 -9.000055177687331E-10 -4.536218977349649E-11
peri 1.771036207900461E-12 -5.861179605737961E-12 2.593519023167726E-8 -9.000055177687331E-10 5.769861354734307E-9 4.378288823042192E-11
i -1.557440495159888E-14 5.419617339407641E-14 -3.331009685388678E-12 -4.536218977349649E-11 4.378288823042192E-11 3.960650636652165E-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 16.0   n/a MPO476675  

357866 (2005 UE308)          Discovered 2005-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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