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541661 (2011 UE275)
Classification: Main-belt Asteroid          SPK-ID: 2541661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09873745511759352 1.189e-07  
a 3.049024500003227 6.1917e-08 au
q 2.747971580281715 3.4479e-07 au
i 2.81276392094449 1.266e-05 deg
node 350.1903413116341 0.00021584 deg
peri 90.00933646670809 0.00022885 deg
M 264.7914573817292 7.7774e-05 deg
tp 2459910.796080565920
(2022-Nov-27.29608057)
0.00042605 TDB
period 1944.642612019156
5.32
5.9235e-05
1.622e-07
d
yr
n .1851239902771676 5.639e-09 deg/d
Q 3.350077419724738 6.8031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2000-09-24  
   last obs. used      2019-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:01  

Additional Information
 Earth MOID = 1.76543 au 
 Jupiter MOID = 1.85531 au 
 T_jup = 3.228 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457261.5 (2015-Aug-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104080125682572 1.2256e-07  
q 2.726221899824209 3.638e-07 au
tp 2457961.093456105809
(2017-Jul-26.59345611)
0.00036942 TDB
node 350.5024170022111 0.00021718 deg
peri 88.51142312737083 0.00022799 deg
i 2.808772726955947 1.2635e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2000-09-24  
   last obs. used      2019-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:01  

Additional Information
 Jupiter MOID = 1.85531 au 
 T_jup = 3.228 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.502002423796548E-14 -4.419288305679691E-14 -2.174008877885243E-11 -9.716816623595013E-14 -4.790263419240131E-12 -1.47872287985617E-16
q -4.419288305679691E-14 1.323498487334513E-13 7.371403886817486E-11 2.895189497018729E-13 1.569193992596737E-11 7.199484558048305E-16
tp -2.174008877885243E-11 7.371403886817486E-11 1.364713976090269E-7 4.107338661365607E-11 2.567030357408733E-8 -1.452761524063832E-11
node -9.716816623595013E-14 2.895189497018729E-13 4.107338661365607E-11 4.716750714187942E-8 -4.709709586019964E-8 1.669705649517469E-9
peri -4.790263419240131E-12 1.569193992596737E-11 2.567030357408733E-8 -4.709709586019964E-8 5.197881243481561E-8 -1.670372672879782E-9
i -1.47872287985617E-16 7.199484558048305E-16 -1.452761524063832E-11 1.669705649517469E-9 -1.670372672879782E-9 1.596471271321221E-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 16.8   .47647 MPO504445 autocmod 2.8

541661 (2011 UE275)          Discovered 2000-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

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