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392655 (2011 UL205)
Classification: Main-belt Asteroid          SPK-ID: 2392655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06001957680685498 1.1202e-07  
a 2.93153993024817 5.0366e-08 au
q 2.755590144242277 3.1967e-07 au
i 11.86841412006866 1.0078e-05 deg
node 206.7872607335612 2.9309e-05 deg
peri 336.470272255945 5.7928e-05 deg
M 83.82122010355924 4.5772e-05 deg
tp 2458573.631974426792
(2019-Mar-31.13197443)
0.00023609 TDB
period 1833.33634390547
5.02
4.7247e-05
1.294e-07
d
yr
n .1963633139094974 5.0605e-09 deg/d
Q 3.107489716254062 5.3389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4605 days (12.61 yr)  
   first obs. used      2006-10-23  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:05  

Additional Information
 Earth MOID = 1.75953 au 
 Jupiter MOID = 1.86646 au 
 T_jup = 3.241 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457550.5 (2016-Jun-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05951544378389223 1.116e-07  
q 2.755426565483754 3.186e-07 au
tp 2456734.502972944882
(2014-Mar-18.00297295)
0.00025697 TDB
node 206.833647412535 2.9287e-05 deg
peri 334.8420058774245 5.8703e-05 deg
i 11.87554353412178 1.0082e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4605 days (12.61 yr)  
   first obs. used      2006-10-23  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:05  

Additional Information
 Jupiter MOID = 1.86646 au 
 T_jup = 3.241 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.245548875483179E-14 -3.518472412995837E-14 2.418201953246488E-12 3.43379758171161E-14 8.409405413142093E-13 1.358396730718652E-14
q -3.518472412995837E-14 1.01503265126372E-13 -1.240328378211731E-11 -9.581117018777894E-14 -3.312256619721412E-12 -3.771866564666571E-14
tp 2.418201953246488E-12 -1.240328378211731E-11 6.603466839912176E-8 -9.114196781392582E-11 1.30488294901294E-8 4.825786671594355E-11
node 3.43379758171161E-14 -9.581117018777894E-14 -9.114196781392582E-11 8.577476169238405E-10 -8.558003188478105E-10 -1.324367760112156E-10
peri 8.409405413142093E-13 -3.312256619721412E-12 1.30488294901294E-8 -8.558003188478105E-10 3.445987305296844E-9 1.398716008551442E-10
i 1.358396730718652E-14 -3.771866564666571E-14 4.825786671594355E-11 -1.324367760112156E-10 1.398716008551442E-10 1.016487388908155E-10

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 MPO434456  

392655 (2011 UL205)          Discovered 2009-Mar-25 by PMO NEO Survey Program at XuYi
Reference: Last Updated: 2014-04-17

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