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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03916534495397732 7.8823e-08  
a 3.063266126409549 3.9391e-08 au
q 2.943292251882885 2.6602e-07 au
i 11.04018188318116 6.2124e-06 deg
node 47.76226425645935 3.0343e-05 deg
peri 296.4658887127239 8.1848e-05 deg
M 359.1720003365522 7.3386e-05 deg
tp 2459205.004049752171
(2020-Dec-21.50404975)
0.00039919 TDB
period 1958.283296915614
5.36
3.7772e-05
1.034e-07
d
yr
n .1838344842990881 3.5459e-09 deg/d
Q 3.183240000936213 4.0933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5546 days (15.18 yr)  
   first obs. used      2005-10-01  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:17:53  

Additional Information
 Earth MOID = 1.95663 au 
 Jupiter MOID = 1.98621 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457778.5 (2017-Jan-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04226577548245461 7.9324e-08  
q 2.932933307117184 2.6856e-07 au
tp 2457259.631241018853
(2015-Aug-25.13124102)
0.00036964 TDB
node 47.90701667503469 3.0241e-05 deg
peri 298.8559855244021 7.5649e-05 deg
i 11.06352220462086 6.223e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5546 days (15.18 yr)  
   first obs. used      2005-10-01  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:17:53  

Additional Information
 Jupiter MOID = 1.98621 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.292354813884431E-15 -2.117286888412941E-14 9.262623559532225E-12 -1.520551009870268E-15 1.801239307115295E-12 -1.478430629938173E-14
q -2.117286888412941E-14 7.212181678372302E-14 -3.099341626710735E-11 5.017774003480785E-15 -5.990645443401172E-12 5.137722425733935E-14
tp 9.262623559532225E-12 -3.099341626710735E-11 1.366366444896544E-7 -1.085826415183124E-11 2.567059524197386E-8 -4.045622726899198E-12
node -1.520551009870268E-15 5.017774003480785E-15 -1.085826415183124E-11 9.145048494790086E-10 -8.993064323139559E-10 -4.613851937440809E-11
peri 1.801239307115295E-12 -5.990645443401172E-12 2.567059524197386E-8 -8.993064323139559E-10 5.722716199974E-9 4.442613749673998E-11
i -1.478430629938173E-14 5.137722425733935E-14 -4.045622726899198E-12 -4.613851937440809E-11 4.442613749673998E-11 3.872541081419731E-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 16.17   n/a E2021B25  

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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