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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06064072443513503 1.1239e-07  
a 2.932278208077072 5.151e-08 au
q 2.754462733293919 3.228e-07 au
i 11.86755570193189 1.0083e-05 deg
node 206.666906340247 2.929e-05 deg
peri 336.9937041286411 5.7037e-05 deg
M 122.5977333042084 4.4597e-05 deg
tp 2458575.922800606723
(2019-Apr-02.42280061)
0.00023177 TDB
period 1834.028947530805
5.02
4.8326e-05
1.323e-07
d
yr
n .1962891591676763 5.1722e-09 deg/d
Q 3.110093682860225 5.4634e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:22  

Additional Information
 Earth MOID = 1.75754 au 
 Jupiter MOID = 1.86229 au 
 T_jup = 3.241 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457550.5 (2016-Jun-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05951550787642117 1.116e-07  
q 2.755426412026346 3.186e-07 au
tp 2456734.503011755388
(2014-Mar-18.00301176)
0.00025697 TDB
node 206.8336663904888 2.9287e-05 deg
peri 334.8420056372436 5.8702e-05 deg
i 11.87553928294573 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:22  

Additional Information
 Jupiter MOID = 1.86229 au 
 T_jup = 3.241 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.245549124262415E-14 -3.518473639609874E-14 2.418196427883877E-12 3.433785947691326E-14 8.409391009174142E-13 1.358397495103586E-14
q -3.518473639609874E-14 1.015033129240622E-13 -1.240326243173307E-11 -9.581086328967362E-14 -3.31225174655133E-12 -3.771868893455027E-14
tp 2.418196427883877E-12 -1.240326243173307E-11 6.603453672214934E-8 -9.114192710996329E-11 1.304880334543266E-8 4.825777659923738E-11
node 3.433785947691326E-14 -9.581086328967362E-14 -9.114192710996329E-11 8.577484088662555E-10 -8.558011061988626E-10 -1.324368798329472E-10
peri 8.409391009174142E-13 -3.31225174655133E-12 1.304880334543266E-8 -8.558011061988626E-10 3.44598284554848E-9 1.398716866644405E-10
i 1.358397495103586E-14 -3.771868893455027E-14 4.825777659923738E-11 -1.324368798329472E-10 1.398716866644405E-10 1.016487303621859E-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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